Langfuse vs Mirio
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 Mirio
| Detail | L
Langfuse | 
Mirio |
|---|
| What it does | Open Source Agent Evals & Observability
| Inbound forms for coding agents
|
|---|
| Stage | Established
| MVP
|
|---|
| Founded | Not given
| Not given
|
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| Based in | DE
| US
|
|---|
| Pricing model | Freemium
| Free
|
|---|
| Pricing | Not given
| Free during beta: up to 1,000 responses per month
|
|---|
| 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
| - Customizable React form components
- Spam filtering and response screening
- Company enrichment for each response
- Multi-step forms that save progress
- Send to Slack, email, webhooks or Postgres
- Response versioning
- Read responses from terminal
- Fit scoring for leads
|
|---|
| 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
| - Built for coding agents to set up and modify like code files
- Open source npm package under MIT license
- Forms live in your site's code, not separate tools
- Automatic company enrichment on every response
- No workflow switching needed
|
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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 |
|---|
| DR (Domain Rating by Ahrefs) | 80 ▲ +1 (up) since last check | 1 ● no change since last check |
|---|
| Trust Flow (Majestic) | 35 | 4 |
|---|
| Citation Flow (Majestic) | 54 | 4 |
|---|
| Referring domains (Majestic) | 6114 | 1 |
|---|
6 details filled in for both companies.
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