Funes vs Letta vs Hindsight
Side by side, from each listing’s own data. A row where every column says the same is shown once, dimmed.
 Funesby Hugging FaceRemove Funes from this comparison |  Lettaby LettaRemove Letta from this comparison |  Hindsightby VectorizeRemove Hindsight from this comparison | |
|---|---|---|---|
| Sets it apart |
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| What it is | Give coding agents durable memory of past sessions — a local-first layer combining vector and BM25 search over prior conversations, usable from Claude Code, Codex, and other harnesses. | Stateful agent framework with built-in memory. Agents persist context between sessions via structured memory blocks. Formerly MemGPT. Self-hosted or managed cloud. | Gives agents a self-hosted long-term memory server that retains facts, recalls them with parallel semantic, keyword, graph, and time search, and reflects over them, via SDKs, REST, and MCP. |
| Provider | Hugging Face | Letta | Vectorize |
| Official vendor | Hugging Face | Not an official listing | Not an official listing |
| Verified | YesSame for all | ||
| Access | MCP, CLI | API, CLI | API, MCP, CLI |
| Auth | None | API Key | None |
| MCP server | In its setup guide | No MCP server | In its setup guide |
| CLI install | Install scriptcurl -fsSL "https://huggingface.co/buckets/huggingface/funes/resolve/install.sh?src=readme" | sh | In its docs | In its docs |
| API base URL | No API | In its docs | In its docs |
| Skills | Session Recall, Hybrid Search, Cross Harness Memory | Persist agent state between sessions using structured in-context memory blocks, Dynamically edit and archive memory to maintain coherent long-horizon agent behavior, Orchestrate multi-agent pipelines where agents pass typed memory between each other, Execute tool calls with full persistence of tool outputs across sessions, Deploy self-hosted or cloud agents with consistent stateful behavior at scale | Retain Memories, Recall Memories, Reflect Over Memories, Mental Models, Coding Agent Memory |
| Streaming | No | Yes | No |
| Push notifications | NoSame for all | ||
| Categories | Memory & StateSame for all | ||
| Tags | session-memory, hybrid-search, local-first, cross-agent-memory, bm25, vector-search, hugging-face | memory, stateful-agents, memgpt, open-source, self-hosted, python, orchestration | agent-memory, long-term-memory, memory-banks, hybrid-search, local-mcp, self-hosted, vectorize, postgres |
| Listed since | Sep 13, 2026 | Apr 8, 2026 | Oct 4, 2026 |
| Use it now | |||
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