Best AI Chatbot Builders in 2026
Tools for building AI chatbots and agents: Ada, Landbot, ManyChat, Botpress, Voiceflow, Chatbase, Yellow.ai, Kore.ai, Dialogflow CX and CustomGPT.ai.
- Verified 13 Nov 2026Every profile shows where facts came from
- Unknowns labelledGaps are stated, never guessed
- No paid placementNo affiliate links, ratings or reviews
- Not a rankingAlphabetical by default; fit notes, not scores
What is AI Chatbot Builders?
AI chatbot builders let teams create conversational agents for websites, messaging apps and voice. Options range from no-code doc-trained widgets and social DM automation to developer platforms and enterprise conversational AI.
Also called Chatbot Software, AI Chatbots
Large language models made chatbots far more capable, and the market now spans quick doc-trained widgets to enterprise agent platforms.
This category covers no-code and doc-trained builders (Chatbase, CustomGPT.ai, Landbot, ManyChat), design and developer platforms (Voiceflow, Botpress, Dialogflow CX) and enterprise platforms (Ada, Yellow.ai, Kore.ai). Tidio and Intercom have their own profiles.
Most vendors bill by credits, sessions, contacts or resolutions, so cost depends on volume. The profiles below summarise dated 2026 sources and are research aids, not rankings.
Best AI chatbot and agent builders by need.
Shortlists built from what each sourced profile documents, listed alphabetically, not ranked. Open a profile for limits, prices and sources.
Best free AI chatbot and agent builders
12 of 27 profiles document a free plan.
AI chatbot and agent builders for small businesses
3 of 27 profiles are documented mainly for small and mid-size teams.
AI chatbot and agent builders for enterprises
19 of 27 profiles are documented for large enterprises.
AI voice agent and agent builders
12 of 27 profiles are AI agents. Platforms and frameworks for building voice agents and LLM agents, from developer APIs to open-source canvases.
AI Chatbot Builders compared: browse and filter
Search and filters update this list on the page and do not create new URLs, so every profile stays crawlable and linkable.
Ada
Ada · Enterprise AI customer service agent
An enterprise AI customer service agent platform sold by quote, with buyer-reported costs from about $30,000 a year and a median near $70,000.
- Quote-based
- Annual
- Cloud
- Enterprise CX
- Independent sources
Best for Enterprises automating very high support volumes
Key capabilities- Start
- Median
- Top
- Builder
PricingQuote only; buyer-reported ~$30,000 a year to start, ~$70,000 median, up to $300,000+.Figures reported by independent sources; vendor page not reviewed directly-
AiSensy
AiSensy · WhatsApp marketing and chatbot platform (SaaS)
A WhatsApp Business API platform from India for broadcasts, chatbot flows and click-to-WhatsApp ads, reported at $79 a month for Basic with three agents.
- Free trial
- Cloud
- Independent sources
Best for Indian D2C brands running WhatsApp campaigns
Key capabilities- Broadcasts
- Retargeting
- Click-to-WhatsApp ads
- Chatbot builder
PricingBasic reported at $79 a month with three agents.Figures reported by independent sources; vendor page not reviewed directly -
Bland AI
Bland · Phone-call AI agent platform for enterprises and developers Agentic tool
A platform for AI phone agents that bundles the model, speech and voice into one per-minute rate: free Start at $0.14 a minute, Build at $299 a month plus $0.12, Scale at $499 plus $0.11.
- Free plan
- AI agent
- Vendor-sourced
Best for Teams running high-volume phone campaigns
Key capabilities- Conversational pathways
- Tools and knowledge
- Inbound and outbound
- Voice cloning
PricingFree Start ($0.14 a minute); Build $299 and Scale $499 a month plus $0.12 and $0.11 a minute.Prices from a vendor-published source Botpress
Botpress · Developer-friendly AI agent platform
A developer-friendly AI agent platform with a free pay-as-you-go tier and Plus from $89 a month plus AI spend.
- Free plan
- Flat + usage
- Cloud or self-hosted
- Developer-friendly
- Independent sources
Best for Developer-led teams wanting code-level control
Key capabilities- Pay-as-you-go
- Plus
- Team
- Code nodes
PricingPay-as-you-go free (500 messages, $5 AI credit); Plus $89 + AI spend; Team $495 + AI spend; Enterprise custom.Figures reported by independent sources; vendor page not reviewed directlyChatbase
Chatbase · Doc-trained AI support agent
The fastest way to build a GPT support widget trained on your docs, free to start with paid plans from $32 a month (Hobby).
- Free plan
- Flat + credits
- Cloud
- Doc-trained
- Independent sources
Best for Teams wanting a fast no-code support bot trained on their docs
Key capabilities- Hobby
- Standard
- Pro
- Premium models
PricingFree (50 credits); Hobby $32, Standard $120, Pro $400 a month; Enterprise custom.Figures reported by independent sources; vendor page not reviewed directly-
Chatfuel
Chatfuel Inc. · Chatbot builder for Instagram, Facebook and WhatsApp (SaaS)
A no-code chatbot and AI agent builder for Instagram, Facebook Messenger and WhatsApp, with a free Light tier and Business plans from about $18 a month billed annually.
- Free plan
- Free trial
- Cloud
- Independent sources
Best for SMBs automating Instagram DMs
Key capabilities- Facebook Messenger
- No-code flows
PricingFree Light tier; Business S about $18 a month billed annually.Figures reported by independent sources; vendor page not reviewed directly CustomGPT.ai
CustomGPT.ai · RAG answer agent
A retrieval-based AI agent builder that answers with citations from your content, from $89 a month (Standard, annual) after a 7-day trial.
- Free trial
- Flat monthly
- Cloud
- RAG with citations
- Independent sources
Best for Teams needing grounded Q&A with low hallucination risk
Key capabilities- Standard
- Premium
- Enterprise
- Citations
PricingStandard $99 a month ($89 annual); Premium $499; Enterprise custom; 7-day trial.Figures reported by independent sources; vendor page not reviewed directlyDialogflow CX
Google Cloud · Google conversational AI
Google Cloud's conversational AI for developers, pay-as-you-go at about $20 per 100 text sessions, with a $600 trial credit.
- $600 trial credit
- Pay as you go
- Cloud
- Developer
- Independent sources
Best for Developers wanting Google-grade NLU and voice
Key capabilities- Text
- Audio input
- Audio output
- Credit
PricingAbout $20 per 100 text sessions; audio from $0.0065 per 15 seconds; $600 trial credit for 12 months.Figures reported by independent sources; vendor page not reviewed directly-
Dify
LangGenius · Open-source platform for agentic workflows, RAG and chatbots Agentic tool
One of the most-starred open-source AI app builders: a visual workflow studio for agents, RAG pipelines and chatbots that you can self-host free or use on Dify Cloud from $59 a month.
- Free plan
- AI agent
- Vendor-sourced
Best for Developers building RAG chatbots and agents
Key capabilities- Workflow Studio
- Agent mode
- Prompt IDE
- Knowledge Pipeline
PricingFree self-hosted; Cloud Professional $59 and Team $159 a month; Enterprise custom.Prices from a vendor-published source -
ElevenLabs Agents
ElevenLabs · Conversational agent platform for voice, chat and email (ElevenAgents) Agentic tool
ElevenLabs' platform for conversational agents across voice, chat and email, built on its speech models with 5,000+ voices; agent minutes run from about $0.08 after a May 2026 price cut.
- Free plan
- AI agent
- Vendor-sourced
Best for Teams prioritising voice quality
Key capabilities- Prompt, voice and LLM
- Knowledge and tools
- Workflows
- Web and mobile
PricingFree tier; agents about $0.08 a minute (burst $0.16); plans up to $990 a month; Enterprise custom.Prices from a vendor-published source -
Flowise
Workday (acquired 2025) · Open-source low-code builder for AI agents and chatflows Agentic tool
An open-source, low-code canvas for building AI agents, RAG chatflows and multi-agent systems, owned by Workday since August 2025, free to self-host with Flowise Cloud plans including Pro at $65 a month.
- Free plan
- AI agent
- Mixed sources
Best for Developers prototyping agents visually
Key capabilities- Chatflows
- Agentflows
- Human-in-the-loop
- Tracing and evaluations
PricingFree self-hosted; Cloud Pro about $65 a month; Enterprise custom.Figures reported consistently by independent sources; vendor page not reviewed directly -
Haptik
Jio Haptik Technologies · Enterprise conversational AI platform
A Reliance Jio-backed conversational AI platform for enterprise CX on WhatsApp, web and voice, with custom pricing and SMB AI agents through Interakt.
- Cloud
- Independent sources
Best for Large consumer brands automating CX
Key capabilities- LLM-powered agents
- Smart Skills
- Voice agents
- Agent copilot
PricingCustom quote; Capterra lists from about $5,000 a year.Figures reported by independent sources; vendor page not reviewed directly -
Interakt
Jio Haptik Technologies · WhatsApp commerce and marketing platform (SaaS)
A WhatsApp marketing and commerce platform from Jio Haptik for Shopify and WooCommerce stores, with Growth at INR 2,799 a month and AI agents as an add-on.
- Free trial
- Cloud
- Independent sources
Best for Shopify and WooCommerce D2C brands
Key capabilities- Cart recovery
- Order and COD flows
- WhatsApp catalogue
- Broadcasts
PricingGrowth INR 2,799 a month plus per-message charges.Figures reported by independent sources; vendor page not reviewed directly Kore.ai
Kore.ai · Enterprise AI agent platform
An enterprise AI agent platform for customer service and work, with AWS Marketplace pricing at $0.20 per session plus about $80,000 a year in fixed fees.
- Usage + fixed fees
- Annual
- Cloud
- Enterprise AI
- Independent sources
Best for Large enterprises building AI for service and contact centres
Key capabilities- Sessions
- Fixed fees
- Example
- Contact Center AI
PricingNo website prices; AWS: $0.20 per session plus two $40,000 annual fees; add-ons metered.Figures reported by independent sources; vendor page not reviewed directlyLandbot
Landbot · Conversational forms and lead bots
A no-code chatbot builder for lead capture and conversational forms on websites and WhatsApp, from EUR 32 a month (Starter, annual).
- Free sandbox
- Flat monthly
- Cloud
- Lead capture
- Independent sources
Best for Marketing teams capturing and qualifying leads conversationally
Key capabilities- Starter
- Pro
- Business
- Website
PricingSandbox free (100 chats); Starter EUR 40 (EUR 32 annual); Pro EUR 100 (EUR 80); Business from EUR 400; WhatsApp Pro EUR 200.Figures reported by independent sources; vendor page not reviewed directly-
Langflow
DataStax, an IBM company · Open-source visual builder for AI agents and RAG (MIT) Agentic tool
An MIT-licensed visual builder for AI agents, RAG pipelines and MCP servers with 100,000+ GitHub stars, maintained by DataStax (now part of IBM); free to self-host or run as a desktop app after the managed cloud closed in April 2026.
- Free plan
- AI agent
- Vendor-sourced
Best for Developers prototyping agents visually
Key capabilities- Visual canvas
- Agents
- API
- MCP server
PricingFree (MIT open source and desktop app); enterprise support custom.Prices from a vendor-published source ManyChat
ManyChat · Social DM automation
Chat marketing automation for Instagram, Messenger and WhatsApp, free for small audiences and from $14 a month by contact count.
- Free plan
- By contacts
- Cloud
- Social DMs
- Independent sources
Best for Social- and messenger-first brands automating DMs
Key capabilities- Essential
- Pro
- Business
PricingFree (25 contacts, 2 channels); Essential $14, Pro $29, Business $69 a month; AI Step +$29.Figures reported by independent sources; vendor page not reviewed directly-
Microsoft Copilot Studio
Microsoft · Low-code agent builder for Microsoft 365, Teams, websites and Power Platform Agentic tool
Microsoft's low-code platform for building AI agents for Teams, Microsoft 365 Copilot, websites and business processes, billed in Copilot Credits at $0.01 each or $200 a month for 25,000.
- AI agent
- Vendor-sourced
Best for Organisations on Microsoft 365
Key capabilities- Natural-language authoring
- Topics and flows
- Knowledge
- Connectors
Pricing$0.01 per Copilot Credit pay-as-you-go, or $200 a month for 25,000 credits.Prices from a vendor-published source -
NiCE Cognigy
NiCE (acquired Cognigy in 2025) · Enterprise conversational and agentic AI platform for contact centres Autonomous agent
The German enterprise platform for voice and chat AI agents in 100+ languages, bought by NiCE for $955 million in 2025 and now part of CXone Mpower, used by brands such as Mercedes-Benz, Nestlé and Lufthansa.
- AI agent
- Mixed sources
Best for Global enterprises with multilingual service
Key capabilities- Low-code designer
- AI agents
- Voice
- Digital
PricingCustom enterprise pricing.Structure only; figures not recorded -
OpenAI AgentKit
OpenAI · OpenAI toolkit for agents: Agents SDK, ChatKit, Connector Registry (Agent Builder retiring) Agentic tool
OpenAI's toolkit for building agents, launched in October 2025, whose visual Agent Builder shuts down on 30 November 2026; ChatKit, the Connector Registry and the code-first Agents SDK continue, billed at standard API model rates.
- AI agent
- Vendor-sourced
Best for Developers standardised on OpenAI models
Key capabilities- Agents SDK
- Agent Builder (retiring)
- ChatKit
- Connector Registry
PricingNo separate fee; billed at standard OpenAI API token rates.Prices from a vendor-published source -
Retell AI
Retell AI · Voice AI agent platform with visual builder and API Agentic tool
A voice AI agent platform with a visual flow builder and API, priced pay-as-you-go from $0.07 to $0.31 a minute for voice and from $0.002 per message for chat, with no platform fee.
- AI agent
- Vendor-sourced
Best for SMBs and agencies building phone agents
Key capabilities- Conversation flow builder
- API
- Telephony
- Knowledge base
Pricing$0.07 to $0.31 a minute for voice; chat from $0.002 a message; $10 free credit.Prices from a vendor-published source -
Stack AI
Stack AI, part of Asana · No-code enterprise AI agent builder ("AI Agent Factory") Agentic tool
A no-code builder for enterprise AI agents and back-office workflows over private knowledge, bought by Asana in May 2026; it offers a free plan and custom Enterprise pricing after dropping its $99 and $499 tiers.
- Free plan
- AI agent
- Vendor-sourced
Best for Regulated enterprises automating back-office work
Key capabilities- Drag-and-drop builder
- Templates and Skills
- Knowledge bases
- Private deployment
PricingFree plan; Enterprise custom (Builder $99 and Team $499 plans withdrawn in 2026).Prices from a vendor-published source -
Synthflow
Synthflow AI · No-code voice AI agent platform (enterprise) Agentic tool
A no-code platform for voice AI agents that make and take phone calls, which dropped its self-serve plans in June 2026 and now sells enterprise contracts starting at $30,000 a year.
- AI agent
- Mixed sources
Best for Enterprises wanting no-code voice agents
Key capabilities- No-code builder
- Integrations
- Telephony and SIP
- Monitoring and QA
PricingEnterprise contracts from $30,000 a year (since June 2026).Figures reported consistently by independent sources; vendor page not reviewed directly -
Vapi
Vapi · Developer platform for building voice AI agents Agentic tool
A developer platform for voice AI agents that charges $0.05 a minute for hosting and passes through speech, model, voice and telephony costs, so production calls typically land around $0.10 to $0.30 a minute.
- AI agent
- Vendor-sourced
Best for Developers and agencies building voice agents
Key capabilities- Assistants API
- Provider choice
- Squads and workflows
- Phone numbers and SIP
Pricing$0.05 a minute hosting plus provider costs (often $0.10 to $0.30 all-in); Scale custom.Prices from a vendor-published source Voiceflow
Voiceflow · AI agent design platform
A collaborative platform for designing chat and voice AI agents, with a free tier and Pro at $60 a month (10,000 credits).
- Free plan
- Flat + credits
- Cloud
- Agent design
- Independent sources
Best for Design and product teams building complex chat and voice agents
Key capabilities- Pro
- Business
- Enterprise
- Extra editors
PricingFree starter credits; Pro $60, Business $150 a month; Enterprise ~$1,000-$2,000+; extra editors $50 each.Figures reported by independent sources; vendor page not reviewed directly-
WATI
Clare.AI (WATI) · WhatsApp team inbox and chatbot platform (SaaS)
A WhatsApp Business API platform with a shared team inbox, no-code chatbot builder and broadcasts, priced from INR 2,699 a month billed quarterly in India.
- Free trial
- Cloud
- Independent sources
Best for SMB support and sales teams on WhatsApp
Key capabilities- Shared team inbox
- Assignment and routing
- Contact management
- No-code chatbot builder
PricingGrowth INR 2,699 a month for three users, billed quarterly.Figures reported by independent sources; vendor page not reviewed directly Yellow.ai
Yellow.ai · Enterprise conversational AI
An enterprise conversational AI platform across 35+ channels, with a free plan (500 chats) and enterprise deals from $10,000 a year on AWS Marketplace.
- Free plan
- Usage + quote
- Cloud
- Omnichannel
- Independent sources
Best for Enterprises automating support across many channels and languages
Key capabilities- Free
- AWS Basic
- AWS Standard
- Channels
PricingFree (1 agent, 500 sessions) then $0.99 per resolution; Enterprise quote; AWS packages $10,000-$25,000 a year.Figures reported by independent sources; vendor page not reviewed directly
No listings match these filters.
Listings are ordered alphabetically by default. They are not ranked, and there are no user ratings or paid placements.
AI Chatbot Builders compared on key criteria.
Summaries come from each profile; open a profile for sources and caveats.
| Product | Pricing model | Starting price | Free plan | Build style | Best for |
|---|---|---|---|---|---|
| Ada | Quote | ~$30,000/yr (reported) | No | No-code enterprise | Enterprise support |
| Bland AI | Plan fee + per minute | Free; $0.14/min | Yes | Developer / pathways | High-volume phone calling |
| Botpress | Flat + usage | $89/mo + AI | Yes (500 msgs) | Visual + code | Developers |
| Chatbase | Flat + credits | $32/mo | Yes (50 credits) | No-code, doc-trained | Doc-trained support |
| CustomGPT.ai | Flat + query caps | $89/mo (annual) | No; 7-day trial | No-code RAG | Grounded Q&A |
| Dialogflow CX | Pay as you go | ~$20 per 100 sessions | $600 trial credit | Developer flows | Google Cloud devs |
| Dify | Free OSS; Cloud per workspace | Free; Cloud $59/mo | Yes | Visual workflow + code | Self-hostable LLM apps and agents |
| ElevenLabs Agents | Per minute + plans | Free; ~$0.08/min | Yes | No-code + API | Natural-sounding voice agents |
| Flowise | Free OSS; Cloud plans | Free; Pro ~$65/mo | Yes | Visual canvas (low-code) | Open-source agent prototyping |
| Kore.ai | Usage + fixed fees | $0.20/session + fees | No | Enterprise platform | Contact centres |
| Landbot | Flat + caps | EUR 32/mo (annual) | Yes (100 chats) | No-code flows | Lead capture |
| Langflow | Free open source | Free | Yes | Visual canvas + code | MIT-licensed agent prototyping |
| ManyChat | By contacts | $14/mo | Yes (limited) | No-code flows | Social DMs |
| Microsoft Copilot Studio | Copilot Credits | $0.01/credit; $200 per 25K | No (trial) | Low-code canvas | Microsoft 365 organisations |
| NiCE Cognigy | Custom enterprise | Custom | No | Low-code designer | Multilingual enterprise voice and chat |
| OpenAI AgentKit | API token usage | No separate fee | No | SDK (visual builder retiring) | OpenAI-native agents and chat UIs |
| Retell AI | Per minute / per message | $0.07/min | No ($10 credit) | Visual flow + API | Phone agents for SMBs and agencies |
| Stack AI | Free + Enterprise quote | Free; Enterprise custom | Yes | No-code canvas | Regulated enterprise back-office agents |
| Synthflow | Enterprise contract | $30,000/yr | No | No-code voice | Enterprise no-code phone agents |
| Vapi | Per minute + providers | $0.05/min hosting | No (trial credits) | Developer / API | Developers building voice agents |
| Voiceflow | Flat + credits | $60/mo | Yes (limited) | Visual canvas | Complex agent design |
| Yellow.ai | Usage + quote | Free; $0.99/resolution | Yes (500 sessions) | No-code enterprise | Omnichannel enterprise |
Which AI Chatbot Builders option fits which situation.
- AdaMay suit Enterprises automating very high support volumes
- Bland AIMay suit Teams running high-volume phone campaigns
- BotpressMay suit Developer-led teams wanting code-level control
- ChatbaseMay suit Teams wanting a fast no-code support bot trained on their docs
- CustomGPT.aiMay suit Teams needing grounded Q&A with low hallucination risk
- Dialogflow CXMay suit Developers wanting Google-grade NLU and voice
- DifyMay suit Developers building RAG chatbots and agents
- ElevenLabs AgentsMay suit Teams prioritising voice quality
- FlowiseMay suit Developers prototyping agents visually
- Kore.aiMay suit Large enterprises building AI for service and contact centres
- LandbotMay suit Marketing teams capturing and qualifying leads conversationally
- LangflowMay suit Developers prototyping agents visually
- ManyChatMay suit Social- and messenger-first brands automating DMs
- Microsoft Copilot StudioMay suit Organisations on Microsoft 365
- NiCE CognigyMay suit Global enterprises with multilingual service
- OpenAI AgentKitMay suit Developers standardised on OpenAI models
- Retell AIMay suit SMBs and agencies building phone agents
- Stack AIMay suit Regulated enterprises automating back-office work
- SynthflowMay suit Enterprises wanting no-code voice agents
- VapiMay suit Developers and agencies building voice agents
- VoiceflowMay suit Design and product teams building complex chat and voice agents
- Yellow.aiMay suit Enterprises automating support across many channels and languages
Based on each profile's documented strengths and limits. These are fit notes, not rankings: test options against your own requirements.
Key features and capabilities of AI Chatbot Builders.
The capabilities that define the category. Not every product offers all of them, and depth varies a lot between entry-level and enterprise tools.
Visual flow builder
Design conversations without code.
Knowledge grounding
Answer from your content.
LLM integration
Use leading language models.
Channel deployment
Web, messaging and voice.
Actions and APIs
Complete tasks in other systems.
Human handoff
Escalate to agents.
Testing and analytics
Measure and improve.
Guardrails
Control what the bot says.
How businesses use AI Chatbot Builders.
- 01
Customer support bots
Answer common questions.
- 02
Lead qualification
Qualify visitors.
- 03
Internal helpdesks
Answer employee questions.
- 04
Booking and ordering
Complete transactions.
- 05
Voice assistants
Automate calls.
Who uses AI Chatbot Builders and what problems it solves.
Support teams
Answer common questions automatically.
Marketing teams
Capture and qualify leads in chat.
Social and creator brands
Automate Instagram and WhatsApp DMs.
Enterprises
Run AI agents across channels and voice.
What AI Chatbot Builders changes in practice.
Practical outcomes teams report when the category is implemented well. Results depend on adoption, data quality and process, so we do not quote percentages.
Always-on service
Answers any time.
Lower contact volumes
Routine questions automated.
Faster deployment
No-code builders.
Consistent answers
Grounded in approved content.
Features and criteria to evaluate in AI Chatbot Builders.
Usage units
Credits, sessions, contacts or resolutions.
Knowledge grounding
Training on docs with citations.
Channels
Web, WhatsApp, Instagram, voice.
Build control
No-code, visual or code.
Handoff
Escalation to humans and help desks.
Governance
Security, analytics and testing.
How to choose AI Chatbot Builders: a step-by-step approach.
- 1
Pick the job
Support, lead capture, DMs or voice.
- 2
Estimate volume
Conversations, contacts and resolutions.
- 3
Prepare knowledge
Clean docs and FAQs.
- 4
Build a pilot
Cover the top 20 questions.
- 5
Test handoff and accuracy
Review answers and escalations.
- 6
Monitor and improve
Track resolution and satisfaction.
Questions to ask before you buy
- How is the bot grounded and prevented from inventing answers?
- How is usage priced?
- Which channels are supported?
- How does handoff to agents work?
Common mistakes when choosing AI Chatbot Builders.
Ignoring usage overages
Credits and sessions can add up fast.
Training on messy content
Poor docs produce poor answers.
No human handoff
Customers need a path to people.
Over-trusting resolution metrics
Check whether issues were truly solved.
Choosing enterprise tools too early
Start simple and scale.
AI Chatbot Builders key terms explained.
- RAG
- Retrieval-augmented generation: answering from your documents.
- Credit
- A usage unit consumed by AI replies.
- Resolution
- A conversation solved without a human.
- Handoff
- Passing a chat to a human agent.
- Intent
- What a user wants to achieve.
- Agent
- An AI that can answer and take actions.
AI Chatbot Builders comparisons.
23 side-by-side comparisons with a feature table, pricing, strengths and limits, and best-fit scenarios. No winner is declared in any of them.
Alternatives to popular AI chatbot and agent builders.
Every product in this category has a guide comparing its main alternatives and competitors on pricing, free plan, features and fit.
Ada alternatives
Bland AI alternatives
Botpress alternatives
Chatbase alternatives
CustomGPT.ai alternatives
Dialogflow CX alternatives
Dify alternatives
ElevenLabs Agents alternatives
Flowise alternatives
Kore.ai alternatives
Landbot alternatives
Langflow alternatives
ManyChat alternatives
Microsoft Copilot Studio alternatives
NiCE Cognigy alternatives
OpenAI AgentKit alternatives
Retell AI alternatives
Stack AI alternatives
Synthflow alternatives
Vapi alternatives
Voiceflow alternatives
Yellow.ai alternatives
AI Chatbot Builders questions and answers
Which AI voice agent and AI agent builders are listed here?
12 AI agent profiles are listed in this category: Bland AI, Dify, ElevenLabs Agents, Flowise, Langflow, Microsoft Copilot Studio, NiCE Cognigy, OpenAI AgentKit, Retell AI, Stack AI, Synthflow and Vapi. They are listed alphabetically, not ranked; each profile covers pricing, free plan, channels, agent actions, human handoff, admin controls and sources checked 13 Nov 2026.
What is the best free AI chatbot and agent builders?
12 of the 27 AI chatbot and agent builders profiles here document a free plan: Botpress, Chatbase, Landbot, ManyChat, Voiceflow and Yellow.ai. Free plans and tiers usually cap users, records or usage, so check each profile for limits. The list is alphabetical, not a ranking.
What is the best AI chatbot and agent builders for small businesses?
Products documented mainly for small and mid-size teams include Chatbase, Landbot and ManyChat. Chatbase may suit teams wanting a fast no-code support bot trained on their docs. Landbot may suit marketing teams capturing and qualifying leads conversationally. ManyChat may suit social- and messenger-first brands automating DMs. The best fit depends on your sales or work process and budget, so trial two or three.
Which AI chatbot and agent builders suits large enterprises?
7 profiles are documented for large enterprises: Ada, Botpress, CustomGPT.ai, Dialogflow CX, Kore.ai, Voiceflow and Yellow.ai. Larger rollouts should also check SSO, permissions, audit logs, data residency and contract terms on each profile.
Where can I find alternatives to a specific chatbot builder?
Every product in this category has its own alternatives guide, for example Botpress alternatives, Dialogflow CX alternatives and Voiceflow alternatives. Each guide compares the main competitors on pricing, free plan, features and fit.
What is the best free AI chatbot builder?
Chatbase, Landbot, ManyChat, Botpress and Voiceflow have free tiers; this list is not a ranking.
Chatbase or CustomGPT.ai?
Chatbase starts at $32 a month and is fastest to launch; CustomGPT.ai starts at $89 (annual) with citation-grounded answers.
Voiceflow or Botpress?
Voiceflow Pro is $60 a month with a visual canvas; Botpress Plus is $89 plus AI spend with code-level control.
What happened to Drift?
A 2026 article says Clari + Salesloft announced Drift's sunset in March 2026.
Narrow your AI Chatbot Builders shortlist.
Open a profile for sources and pricing, read an alternatives guide, or talk to Stack18 if off-the-shelf is not the answer.
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