IronClaw vs Letta
Side-by-side comparison of two agent options that often come up together when people are choosing between self-hosted frameworks, managed assistants, and extensible AI tooling.
Open source12k stars
IronClaw
Defense-in-depth Rust agent with enterprise-grade security and TEE enclaves
Open source22k stars
Letta
Platform for building stateful agents with advanced memory persistence
Category
IronClaw
Letta
Tagline
Defense-in-depth Rust agent with enterprise-grade security and TEE enclaves
Platform for building stateful agents with advanced memory persistence
Deployment
Self-Hosted
Self-Hosted
Pricing
Usually affordable for individuals or small teams, with some recurring model or hosting costs.
Usually affordable for individuals or small teams, with some recurring model or hosting costs.
Channels
Telegram, Slack, Web
Telegram, Slack, Discord, WhatsApp, Signal
Open source
Yes
Yes
Privacy
Good privacy posture for most teams, especially when self-hosted or carefully configured.
Good privacy posture for most teams, especially when self-hosted or carefully configured.
IronClaw pros
- Open source with transparent code and flexible deployment options.
- Security posture is excellent for sensitive workflows.
- Strong privacy story for users who care where data runs.
Letta pros
- Open source with transparent code and flexible deployment options.
- Strong privacy story for users who care where data runs.
- Good memory and persistence support for ongoing conversations or tasks.
IronClaw cons
- Smaller channel support (Telegram, Slack, web only)
- Rust ecosystem less mature for agent tooling
- Setup complexity higher due to security hardening requirements
Letta cons
- Lower autonomy — designed more as a platform than an out-of-box assistant
- Setup requires understanding memory architecture concepts
- Python-only — no native TypeScript/JavaScript implementation
IronClaw gotchas
- You should expect ongoing hosting, uptime, and secret-management work if you deploy it for real users.
- Recurring subscription or model spend can matter more than the headline feature list.
Letta gotchas
- You should expect ongoing hosting, uptime, and secret-management work if you deploy it for real users.
- Recurring subscription or model spend can matter more than the headline feature list.
Not sure which one fits you?
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