Dues: sliding scale starting at $5/month. All members receive $15/month credit for chat and API. Additional credits available for purchase; credits never expire and carry over month to month.
Self-hosted: Free, MIT licensed. Hindsight Cloud: Pay-as-you-go with free credits to start. Retain (store memories) $10.00 per million tokens, Recall (retrieve memories) $0.75 per million tokens, Reflect (synthesize patterns) $0.05 per call, Iris Extract (structured extraction) $7.50 per million tok
Key features
Web search built into chat
File uploads and document support
OpenAI-compatible developer API
Personal API keys
Encrypted enclave privacy option
100% renewable energy option
Member governance participation
Shared monthly credit allowance
Publicly developed models
Per-user persistent memory with preferences, history and decisions kept separate
Cross-session persistence allows context to survive weeks between interactions
Fast parallel retrieval in under 100ms through four strategies running simultaneously
Works with any LLM without losing learned context when swapping models
Learns from mistakes and corrects behavior on repeated problems
Automatic pattern detection synthesizes individual facts into consolidated knowledge
Conflict detection preserves both old and new states with timestamps when facts change
Integrates with 20+ coding agents including Claude Code, Cursor, and Copilot
What makes it different
Member-governed cooperative structure where users help decide the direction and choices
Equal membership with sliding-scale pricing based on ability to pay
Choice of AI models by values including privacy and renewable energy
No data lock-in; members own their data and can cancel anytime
Credits never expire and carry over month to month
94.6% retrieval accuracy on LongMemEval-S, beating next-best system at 74.0%
MIT licensed open source with no usage limits, telemetry or restrictions
Reflection layer automatically builds judgment and mental models over time without manual tagging
Entity resolution handles hundreds of entities with 99.5% query reduction