AI Agent Builders

Botpress vs Letta

Compare Botpress and Letta side-by-side. See feature differences and pricing in the AI Agent Builders category.

by Botpress

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Pricing: Free plan, 100 conversations; Plus $150/mo billed annually or $189 monthly; Team $750/mo billed annually or $939 monthly; Enterprise by quote

Botpress is an AI agent builder for support teams and developers: a visual Studio, a TypeScript ADK and usage pricing by conversation.

13 /18 features Full profile

Letta

by Letta

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Pricing: Free plan; Pro $20/mo; API Plan $20/mo plus usage; Teams Pro $20 per seat/mo; Enterprise by quote. Billed monthly.

Letta is a code-first AI agent harness and SDK for developers building stateful agents with git-versioned memory, run on Letta's cloud or self-hosted.

13 /18 features Full profile

Feature Comparison

AI Agent Builders features side-by-side

Feature	Botpress 13/18 features	Letta 13/18 features
Visual agent workflow canvas Assemble the agent's steps on a canvas.	Yes	No
Custom tool and function definitions Give the agent your own callable functions.	Yes	Yes
Model provider choice per agent Point different agents at different models.	Yes	Yes
Retrieval-augmented knowledge bases Attach documents the agent retrieves from at run time.	Yes	No
Multi-agent handoff and delegation One agent passes work to another.	No	Yes
Conversation state and checkpointing Resume a long run instead of restarting it.	Yes	Yes
Structured output schema validation Force replies into a schema and reject the rest.	No	Yes
Input and output guardrails Filter unsafe or off-policy content on both sides.	No	No
Human-in-the-loop approval steps Pause a workflow for a person to approve.	Yes	Yes
Built-in execution tracing See every step, tool call and token inside the builder.	Yes	No
Prompt versioning in the builder Change a prompt without redeploying, and roll it back.	No	Yes
Agent evaluation and test suites Score an agent against fixed cases before release.	Yes	Yes
MCP server support Connect tools over the Model Context Protocol.	Yes	Yes
Webhook and event triggers Start an agent from an external event.	Yes	Yes
Code-first SDK Define the agent in code as well as in the interface.	Yes	Yes
Deploy an agent as an API endpoint Call the finished agent over HTTP.	Yes	Yes
Embeddable agent chat widget Drop the agent into a site or app as a chat surface.	Yes	No
Self-hosted agent runtime Run the built agents on your own infrastructure.	No	Yes
Overall Rating	No reviews yet	No reviews yet