AI agent builders · #28 of 38 · ↑ Langflow · ↓ Semantic Kernel
Letta
Letta ranks #28 of 38 in ai agent builders in the week of 19 October 2026, with a visibility score of 3 across ChatGPT, Claude, Gemini and Perplexity. It was named in 7% of the answers we sampled.
sampled: 3 of 4 assistants this week
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 | 20% of answers | #17.0 |
| Gemini | not sampled this week | ||
| 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? | 1 of 3 | #4 |
| What's the best self-hosted platform for running AI agents privately? | 1 of 3 | #9 |
| What are the best alternatives to LangChain? | 1 of 3 | #12 |
| What are the best open-source AI agent frameworks? | 1 of 3 | #17 |
| What are the best alternatives to CrewAI? | 1 of 3 | #21 |
| What are the best platforms for building AI agents? | 1 of 3 | #38 |
Questions you lose
| question | who got named instead |
|---|---|
| What's the best AI agent builder in 2026? | LangChain, n8n, OpenAI AgentKit |
| What's the best no-code tool to build an AI agent? | Zapier Agents, n8n, Make |
| Which AI agent framework should a developer choose? | LangChain, OpenAI AgentKit, Microsoft Agent Framework |
| What's the best platform to build and deploy AI agents for a startup? | LangChain, n8n, OpenAI AgentKit |
| Which AI agent platform is best for a non-technical founder? | Zapier Agents, Lindy, Relevance AI |
| What's the best tool for building multi-agent systems? | LangChain, OpenAI AgentKit, CrewAI |
| Which AI agent platform has the best pricing for a small team? | Make, Zapier Agents, n8n |
| What's the most reliable platform to run AI agents in production? | LangChain, Amazon Bedrock AgentCore |
| What's the best tool to build an AI agent that answers customer emails? | n8n, Zapier Agents |
| What's the best platform to build an AI agent that connects to my company's data? | Microsoft Copilot Studio, Vertex AI Agent Builder |
| What's the best tool to automate a business workflow with AI agents? | Zapier Agents, n8n, Gumloop |
| What's the best platform to build a voice AI agent? | Vapi, Retell AI |
| What's the best tool to build an AI agent that browses the web and does research? | OpenAI AgentKit, LangChain |
| What's the best platform to build AI agents that use MCP tools? | LangChain, Claude Agent SDK, OpenAI AgentKit |
| What's the best tool to monitor and debug AI agents in production? | nobody in particular |
| What's the best platform for an agency building AI agents for clients? | n8n, Voiceflow, Relevance AI |
| What are the best alternatives to OpenAI AgentKit? | LangChain, CrewAI, Dify |
| What are the best alternatives to n8n? | Make, Zapier Agents |
| What are the best alternatives to Pydantic AI? | OpenAI AgentKit, LangChain, Pydantic AI |
Assistants cited 11 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) — if long-term stateful memory is the hard part of your problem.”
- Claude“Letta (formerly MemGPT) — If long-term agent memory is the hard part of your problem.”
- Claude“Letta — if long-term agent memory is your central problem, it's purpose-built for that.”
Closest rivals
All Letta alternatives · Full AI agent builders leaderboard · Sources