Respan
AI router with built-in observability and automated evaluations.
- Freemium· from $199/month
- Web
- API Available
What is Respan?
Respan is an AI Observability tool. AI router with built-in observability and automated evaluations. Respan is freemium: it has a free plan, and paid plans start at $199/month. It is available on Web App. It is aimed at ai developers, data scientists and machine learning engineers.
Respan is an AI router that provides observability and automated evaluations for AI agent workflows. It traces every step, tracks costs and latency, and connects findings to improvements.
Built for ai developers, data scientists and machine learning engineers.
Key capabilities
Features
LLM Observability
Automated Evals
Prompt Optimization
LLM Gateway
Agent Tracing
Multi-Model Routing
Model Monitoring
Monitors model performance and availability.
Best Version Shipping
Enables shipping the version with the best scores.
Change Detection
Identifies moments when changes occur in AI agent runs.
Agent Activity Visibility
AI Observability Platform
Platform for AI observability with extensive token processing.
Certification Compliance
Use cases
- Route AI agent runs to the most suitable model
- Monitor and evaluate AI agent workflows for performance improvements
- Track costs and latency of AI agent operations
- Detect changes in AI agent behavior and performance
- Optimize prompts for better AI agent outcomes
- Ship the AI agent version with the highest scores
Pros & cons
Pros
- Public API available
- Free plan available
- Integrates with Zapier
- Integrates with AWS
- Integrates with Azure
Cons
No documented limitations yet.
Pricing
Freemium — paid plans start at $199/month.
| Plan | Price |
|---|---|
| Free | Free |
| Team | $199 / month |
| Enterprise | Custom |
AI models
- DeepSeek V4
Developer & API
Public API available
- Authentication
- API Key
- Webhooks
- Supported
Security & compliance
- SOC 2
- ISO 27001
- GDPR
- HIPAA
- SAML
- Data deletion
As stated on Respan's website — not independently verified by AiByts.
FAQ
What is Respan?
Respan is an AI Observability tool. AI router with built-in observability and automated evaluations. Respan is an AI router that provides observability and automated evaluations for AI agent workflows. It traces every step, tracks costs and latency, and connects findings to improvements.
Is Respan free?
Respan has a free plan; advanced features require a paid plan.
How much does Respan cost?
Respan offers 3 plans: Free (Free), Team ($199 / month) and Enterprise (Custom).
Does Respan have an API?
Yes, Respan offers a public API with webhooks for building custom integrations.
What platforms does Respan support?
Respan is available on Web App.
Who should use Respan?
Respan is built for ai developers, data scientists and machine learning engineers. Common uses: route AI agent runs to the most suitable model, monitor and evaluate AI agent workflows for performance improvements, track costs and latency of AI agent operations and detect changes in AI agent behavior and performance.
What does Respan integrate with?
Respan integrates with Slack, Zapier, AWS, Azure, Vercel, OpenAI, Anthropic and LangChain.
What are the best alternatives to Respan?
Similar tools on AiByts include Braintrust, Opik, Helicone, Keywords AI and Latitude.
Details are compiled from Respan's website and public sources, last verified Oct 3, 2026. Features and pricing change — confirm on the official site before you buy.
Try Respan
Freemium · from $199/month
Tags
- LLM Observability
- Automated Evals
- Prompt Optimization
- LLM Gateway
- Agent Tracing
- Multi-Model Routing
- Model Monitoring
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