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Free Microsoft Copilot Studio alternatives: 4 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

4 of the 6 Microsoft Copilot Studio alternatives we track can be used for free (free, open source, or with a free plan). Botpress, Dify and Yellow.ai rank highest, with facts last verified Nov 8, 2026.

Quick comparison

#AppPricingVerified priceOpen sourcePlatformsVerified factsScore
1Botpress logoBotpressFree plan + paid$150/month billed annually (Plus)NoWeb7 of 768.8
2Dify logoDifyOpen source$590 per workspace/yearYesWeb, Self-hosted4 of 459.4
3Yellow.ai logoYellow.aiFree plan + paid$0.99 per resolution after free sessionsNoWeb5 of 557.5
4StackAI logoStackAIFree plan + paid—NoWeb, Self-hosted6 of 655.9
  1. Botpress logo

    1. BotpressTop pick

    Best for: Support teams and agencies building AI agents that need custom logic and integrations

    Free plan + paidWeb

    68.8

    score / 100

    Why switch from Microsoft Copilot Studio

    Visual agent builder with a free tier and simpler pricing, not tied to Microsoft 365 or Azure.

    Pros

    • Free plan for testing with real conversations
    • No per-seat fees on the Team plan and above
    • Visual studio plus a developer kit for custom logic
    • Large community on Discord and an open-source SDK

    Cons

    • Paid plans start well above simple chat widgets
    • Conversation packs are added automatically once the quota is reached
    • Voice channel is only on the Enterprise plan
    Visit Botpress Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Botpress a good Microsoft Copilot Studio alternative?

    Verified facts

    7 of 7 verified
    Free plan
    Yes, $0 with 100 conversations
    Checked Nov 8, 2026botpress.com(opens source in a new tab)
    Plus plan
    $150/month billed annually
    Checked Nov 8, 2026botpress.com(opens source in a new tab)
    Pricing basis
    Per conversation, not per seat
    Checked Nov 8, 2026botpress.com(opens source in a new tab)
    Security
    SOC 2, GDPR compliant
    Checked Nov 8, 2026botpress.com(opens source in a new tab)
    GitHub repo licence
    MIT
    Checked Nov 2, 2026github.com(opens source in a new tab)
    Starting price
    $150/month billed annually (Plus)
    Checked Nov 8, 2026botpress.com(opens source in a new tab)
    Team plan
    $750/month billed annually
    Checked Nov 8, 2026botpress.com(opens source in a new tab)
  2. Dify logo

    2. Dify

    Best for: Developers and teams building LLM chatbots, agents and RAG apps they can self-host

    Open sourceSelf-hostableWeb, Self-hosted

    59.4

    score / 100

    Why switch from Microsoft Copilot Studio

    Open-source, self-hostable agent and workflow builder that works with many model providers.

    Pros

    • Visual workflow builder with agents, tools and logic
    • Built-in knowledge base for answering from your own documents
    • Self-hostable Community Edition via Docker Compose
    • Works with many model providers

    Cons

    • Licence adds conditions beyond a standard open-source licence
    • Steeper learning curve than simple no-code chatbot builders
    • Cloud free tier has small message and app quotas
    Visit Dify Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Dify a good Microsoft Copilot Studio alternative?

    Verified facts

    4 of 4 verified
    Open source
    Yes
    Checked Nov 8, 2026docs.dify.ai(opens source in a new tab)
    Self-hosting
    Docker Compose
    Checked Nov 8, 2026docs.dify.ai(opens source in a new tab)
    Free plan
    Sandbox, 200 message credits
    Checked Nov 8, 2026dify.ai(opens source in a new tab)
    Starting price
    $590 per workspace/year
    Checked Nov 8, 2026dify.ai(opens source in a new tab)
  3. Yellow.ai logo

    3. Yellow.ai

    Best for: Large enterprises automating support across voice, chat and email in many languages

    Free plan + paidWeb

    57.5

    score / 100

    Why switch from Microsoft Copilot Studio

    Enterprise customer-service automation across chat, voice and email without the Azure dependency.

    Pros

    • Covers voice, chat, email and SMS in one platform
    • Large catalogue of ready-made enterprise integrations
    • Wide language support for voice agents
    • Free tier to try the builder before talking to sales

    Cons

    • Enterprise pricing is quote-only
    • Free plan is limited to one agent and low volume
    • More complex to adopt than self-serve chatbot builders
    Visit Yellow.ai Details and reviews
    How this score is calculated
    Editorial fit ×0.363
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Yellow.ai a good Microsoft Copilot Studio alternative?

    Verified facts

    5 of 5 verified
    Free plan
    Yes, 500 sessions/month included
    Checked Nov 8, 2026yellow.ai(opens source in a new tab)
    Integrations
    150+
    Checked Nov 8, 2026yellow.ai(opens source in a new tab)
    Models
    15+ LLMs
    Checked Nov 8, 2026yellow.ai(opens source in a new tab)
    Voice languages
    500+
    Checked Nov 8, 2026yellow.ai(opens source in a new tab)
    Usage price
    $0.99 per resolution after free sessions
    Checked Nov 8, 2026yellow.ai(opens source in a new tab)
  4. StackAI logo

    4. StackAIAcquired

    Best for: IT teams in regulated companies rolling out governed AI agents across departments

    Free plan + paidWeb, Self-hosted

    55.9

    score / 100

    Why switch from Microsoft Copilot Studio

    No-code enterprise agent builder that connects to many data sources beyond Microsoft's stack.

    Pros

    • On-premises and VPC deployment for sensitive data
    • 500+ enterprise integrations for agents that take action
    • Governance features like human review, audit logs and SSO

    Cons

    • Free plan is capped at 500 runs, 2 projects and 1 seat
    • Paid use is a custom enterprise quote with no self-serve tier
    • Acquisition by Asana adds uncertainty about the standalone roadmap
    Visit StackAI Details and reviews
    How this score is calculated
    Editorial fit ×0.357
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is StackAI a good Microsoft Copilot Studio alternative?

    Verified facts

    6 of 6 verified
    Free plan
    Yes, $0 a month (500 runs, 2 projects, 1 seat)
    Checked Nov 8, 2026stack-ai.com(opens source in a new tab)
    Enterprise deployment
    On-prem or VPC
    Checked Nov 8, 2026stack-ai.com(opens source in a new tab)
    Compliance
    SOC 2, HIPAA, GDPR
    Checked Nov 8, 2026stack-ai.com(opens source in a new tab)
    Integrations
    500+
    Checked Nov 8, 2026stack-ai.com(opens source in a new tab)
    Owner
    Asana (acquisition announced)
    Checked Nov 8, 2026stack-ai.com(opens source in a new tab)
    Enterprise plan
    Custom quote
    Checked Nov 8, 2026stack-ai.com(opens source in a new tab)