Langfuse vs BrainDog
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Langfuse compared with BrainDog
| Detail | L
Langfuse | 
BrainDog |
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| What it does | Open Source Agent Evals & Observability
| A workspace for projects, decisions and money that every agent reads and updates
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| Stage | Established
| Not given
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| Founded | Not given
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| Based in | DE
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| Pricing model | Freemium
| Free
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| Pricing | Not given
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| 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
| - Connect coding agents via MCP protocol (Claude Code, Cursor and others)
- Centralized project tracking with decisions and money
- Audit trail with every change signed and undoable
- Approval controls for money, deletions and key access
- Learning system that reduces approval requests after 10 similar actions
- Team collaboration with email invitations and role-based access
- Built-in Slash assistant with 20 questions per month on free plan
- 1,000 automation runs per month on free plan
- Full data export available anytime
- Sealed backups every night with secure key storage
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| 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
| - Works with any agent that speaks MCP protocol, not vendor-locked to one tool
- Integrates work tracking and financial management in one place agents automatically read
- Full audit trail and undo capability for every change
- Learns from agent behavior to reduce approval overhead over time
- Free tier includes all features with no credit card required
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 80 ▲ +1 (up) since last check | 12 ▲ +12 (up) since last check |
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| Trust Flow (Majestic) | 35 | 0 |
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| Citation Flow (Majestic) | 54 | 0 |
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| Referring domains (Majestic) | 6114 | 0 |
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4 details filled in for both companies.
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