Pick up to 4 tools and see their free plans, entry prices, platforms and limits in one table. Every fact comes from each vendor's own pages, checked 23 September 2026.
25,000 Copilot Credits per pack per month; unused credits do not roll over; pay-as-you-go alternative at $0.01 per credit.
Free trial
None stated
Trial licence lets individuals build and test agents but not publish them (length not stated); a new free Azure account includes a $200 credit that can be used for agents
Platforms
Web, Self-hosted
Web
Integrations (vendor's figure)
300+ enterprise integrations
1,400+ connectors
Open source
Yes, self-hostable
No
Good for
Automating document-heavy compliance or legal review steps
Handling IT service requests across ticketing and internal systems
Building a customer-support agent grounded in company documents
An internal help agent in Teams that answers staff questions from company documents
A website agent that answers customer questions from return policies and product manuals
An agent that processes new orders and emails confirmations automatically
Watch out for
No self-serve paid plan; anything beyond the free tier is a custom Enterprise quote
Free plan: 500 runs a month, 2 projects and 1 seat
On-premises and VPC deployment, SSO and dedicated support are Enterprise-only
Publishing agents to channels outside Microsoft 365, such as websites, needs a standalone Copilot Studio plan
Prepaid credits reset monthly without rollover; at 125% of prepaid capacity, custom agents are disabled until capacity is added
Standalone plans require an Azure subscription to use agents
Made by
StackAI (owned by Asana, Inc.)
Microsoft Corporation
Entry prices are the cheapest paid plan, as each vendor publishes it; “What it covers” says what that price is per (a user, a channel, a brand, a number of contacts). The sources are listed on each tool's page.
Every tool in AI agent builders is on its category page, with the written head-to-heads on Compare.
