Langfuse vs ForAgent
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 ForAgent
| Detail | L
Langfuse | 
ForAgent |
|---|
| What it does | Open Source Agent Evals & Observability
| Private numbers for AI agents
|
|---|
| Stage | Established
| MVP
|
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| Founded | Not given
| Not given
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| Based in | DE
| US
|
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| Pricing model | Freemium
| Not given
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| Pricing | Not given
| Free: $0/month with 30 calls per month, 3 app numbers + 2 remote numbers. Pro: $9.99/month with 100 calls per month. Scale: $29.99/month with unlimited calls.
|
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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
| - Private phone numbers for agents
- Call approval system
- App and plugin integration
- Call recording and transcription
- Cross-device agent connections
- Number blocking and removal
|
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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
| - First-call approval for security
- Simple user-controlled access management
- Data never used for training models
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| Free plan | Not given
| Not given
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| Open source | Not given
| Not given
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| Platforms | Not given
| Not given
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| Public API | Not given
| 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 | 11 ▲ +4 (up) since last check |
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| Trust Flow (Majestic) | 35 | 0 |
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| Citation Flow (Majestic) | 54 | 11 |
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| Referring domains (Majestic) | 6114 | 1 |
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5 details filled in for both companies.
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