AI agent builders · #28 of 34 · ↑ Semantic Kernel · ↓ Taskade Genesis
Letta
Letta shows up in just 4 of 71 answers across AI assistants, landing an overall score of 3 out of 100. Claude rates it highest at 8, Gemini gives it 3, while ChatGPT and Perplexity both score it 0. Its strongest showing is on memory: it's named in 2 of 3 answers to "What's the best way to give an AI agent memory across sessions?" It also gets a single mention each for self-hosted agent platforms and open-source agent frameworks. It never comes up for MCP tools, voice agents, best overall builder in 2026, non-technical founders, or developer framework picks.
this is mine claim it, free, forever. We also check whether ChatGPT and Claude can read letta.com.
Who's talking about you
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 0 | 0% of answers | |
| Claude | 8 | 15% of answers | #7.3 |
| Gemini | 3 | 8% of answers | #11.0 |
| Perplexity | 0 | 0% of answers |
Questions you win
| question | named in | best spot |
|---|---|---|
| What's the best way to give an AI agent memory across sessions? | 2 of 3 | #1 |
| What's the best self-hosted platform for running AI agents privately? | 1 of 3 | #10 |
| What are the best open-source AI agent frameworks? | 1 of 3 | #11 |
Questions you lose
| question | who got named instead |
|---|---|
| What are the best platforms for building AI agents? | LangChain, OpenAI AgentKit, CrewAI |
| What's the best AI agent builder in 2026? | LangChain, CrewAI, Microsoft AutoGen |
| What's the best no-code tool to build an AI agent? | n8n, Zapier Agents, Relevance AI |
| Which AI agent framework should a developer choose? | LangChain, OpenAI AgentKit, Vertex AI Agent Builder |
| What's the best platform to build and deploy AI agents for a startup? | LangChain, OpenAI AgentKit, CrewAI |
| Which AI agent platform is best for a non-technical founder? | Zapier Agents, Gumloop, Lindy |
| What's the best tool for building multi-agent systems? | LangChain, CrewAI, OpenAI AgentKit |
| Which AI agent platform has the best pricing for a small team? | Taskade Genesis, Microsoft Copilot Studio, n8n |
| What's the most reliable platform to run AI agents in production? | LangChain, Amazon Bedrock AgentCore, xpander.ai |
| What's the best tool to build an AI agent that answers customer emails? | Voiceflow, Relevance AI, Lindy |
| What's the best platform to build an AI agent that connects to my company's data? | Microsoft Copilot Studio, Amazon Bedrock AgentCore |
| What's the best tool to automate a business workflow with AI agents? | Zapier Agents, n8n, Make |
| What's the best platform to build a voice AI agent? | Vapi, Retell AI, Voiceflow |
| What's the best tool to build an AI agent that browses the web and does research? | LangChain, CrewAI |
| What's the best platform to build AI agents that use MCP tools? | OpenAI AgentKit, LangChain, Microsoft Agent Framework |
| What's the best tool to monitor and debug AI agents in production? | LangChain |
| What's the best platform for an agency building AI agents for clients? | LangChain, Amazon Bedrock AgentCore, Botpress |
Assistants cited 12 pages for questions in this category that name your rivals and not you. Claim to see them. See all sources for AI agent builders.
In their words
- Claude“Letta (formerly MemGPT) deserves separate mention if persistent memory across sessions is central to your use case.”
- Gemini“Letta (Formerly MemGPT): Treats the LLM like an Operating System, managing memory tiers (RAM vs.”
- Claude“Self-editing memory (the MemGPT/Letta approach): give the agent explicit tools to read and rewrite its own memory blocks.”
Closest rivals
All Letta alternatives · Full AI agent builders leaderboard · Sources