A persistent and self-learning interoperable memory layer for AI agents and tools.
Stage
Established
Not given
Founded
Not given
Not given
Based in
DE
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Pricing model
Freemium
Freemium
Pricing
Not given
Living Brain API: $8 per 1M input tokens and $0.50 per 1M output tokens, pay as you go with $5 minimum top-up and no monthly minimum. Living Brain Workspace: $99 per month (most popular), includes three team seats, $80 shared monthly credits for first three cycles then $50, managed Brains and agents
Key features
Hierarchical traces capture every LLM call, tool invocation, and retrieval step
LLM-as-a-judge, heuristic functions, or human review evaluations
Prompt management with one-click deployments and rollbacks
Playground to test prompts on real production inputs and compare models
Experiments with test cases and side-by-side comparison
Human annotation and collaborative human-in-the-loop workflows
Cost and latency monitoring with dashboards and alerts
REST APIs and Query SDK for data access
Langfuse Assistant to automate the AI engineering loop
Semantic search and connection discovery
Memory scoring and optimization
REST API, SDK, CLI and MCP support
Document extraction and storage
Audio transcription
Webhook subscriptions and integrations
Slack and Telegram capture
Scheduled briefs and page history
Markdown export and structured output
Multi-brain and team collaboration
What makes it different
MIT licensed open source platform with no data lock-in
Enterprise scale architecture handling billions of monthly events
Works with any language and framework with no framework lock-in
Async by default so tracing never blocks your application
22.6X fewer tokens per question and 95% lower cost per task vs full context baseline
Living Brain