Respan Gateway
Route, observe, and evaluate every AI call in one place.
Quick answer
Respan Gateway is route, observe, and evaluate every ai call in one place. It's freemium, with paid plans from Paid plans estimated from around $49/month based on usage volume. Best for managing multi-provider llm traffic for production ai applications.
Respan Gateway is a developer-focused AI gateway platform that acts as a unified proxy layer for routing requests across multiple large language model providers while delivering built-in observability and evaluation capabilities. It is designed for engineering teams, AI product builders, and MLOps practitioners who need a single control plane to manage LLM traffic without piecing together separate monitoring, logging, and testing tools. What makes Respan Gateway particularly useful is its combination of real-time request tracing, model performance comparisons, and automated evaluations, all accessible through one interface rather than a fragmented stack of third-party services. Teams can switch between providers like OpenAI, Anthropic, and others without rewriting application code, making it straightforward to run A/B tests, implement fallback logic, and optimize cost versus quality tradeoffs. The platform saves significant engineering overhead by removing the need to build custom middleware for logging, latency tracking, and model scoring, letting developers focus on product quality rather than infrastructure plumbing.
Key features
- Unified LLM routing across multiple AI providers with a single API endpoint
- Built-in observability including request tracing, latency monitoring, and logging
- Automated evaluations to benchmark and compare model outputs at scale
- Fallback and retry logic to handle provider outages and reduce downtime
Pros & cons
- +Combines routing, observability, and evals in a single platform reducing tool sprawl
- +Provider-agnostic design makes it easy to swap or mix LLM providers
- +Saves engineering time by replacing custom middleware with ready-built infrastructure
- −Relatively new platform so documentation and community resources are still maturing
- −Advanced evaluation customization may require technical setup not suited for non-developers
Pricing
Free tier available with limited requests and basic observability features
Paid plans estimated from around $49/month based on usage volume
Enterprise pricing available on request with custom rate limits and SLA support
Who is it for
- →Managing multi-provider LLM traffic for production AI applications
- →Running automated evals to compare model quality across OpenAI and Anthropic
- →Monitoring API costs and latency to optimize AI infrastructure spending
Frequently asked questions
Is Respan Gateway free?
Yes, Respan Gateway offers a free tier that allows developers to get started with basic routing and observability features. Higher usage volumes and advanced capabilities are available on paid plans.
What is Respan Gateway best used for?
Respan Gateway is best used for teams building production AI applications that need to route requests across multiple LLM providers, monitor performance in real time, and run automated evaluations to ensure model quality.
What are the best alternatives to Respan Gateway?
The closest alternatives include LiteLLM for multi-provider routing, Helicone for LLM observability, PortKey AI for gateway and analytics, and Langfuse for open-source evaluation and tracing.
Is Respan Gateway safe to use?
Respan Gateway acts as a proxy layer, so requests pass through its infrastructure. Teams should review its data handling and privacy policies before routing sensitive data, and enterprise plans typically include enhanced security options.
How much does Respan Gateway cost?
Respan Gateway offers a free tier for getting started. Paid plans are estimated to begin around $49 per month depending on request volume, with enterprise pricing available on request for larger teams needing custom limits and support.
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