Claude Overlay vs Respan Gateway (2026)
A side-by-side comparison of Claude Overlay and Respan Gateway on pricing, features, and fit, so you can decide which is right for you.
Quick answer
Claude Overlay and Respan Gateway are both strong choices, but they fit different needs. Choose Claude Overlay if you mainly need getting inline ai coding help while working inside an ide without switching windows — its edge is completely free with no additional subscription or api fees beyond your claude plan. Choose Respan Gateway if you need managing multi-provider llm traffic for production ai applications — its edge is combines routing, observability, and evals in a single platform reducing tool sprawl. Claude Overlay starts at Free; Respan Gateway starts at around $49/month based on usage volume.
Features compared
- Always-on-top floating chat window that overlays any application on Windows
- Full Claude Code agent integration with screen-reading and file-editing capabilities
- No API key required - works directly with your existing Claude subscription
- Open-source MIT license with a fully auditable and customizable codebase
- 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
- Completely free with no additional subscription or API fees beyond your Claude plan
- Always-on-top overlay eliminates context switching and keeps AI assistance instantly accessible
- Open-source codebase is transparent, auditable, and customizable for developers
- Windows-only, so macOS and Linux users cannot use it without workarounds
- Requires an active Claude subscription, so it is not truly free for users without one
- 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
The verdict
Choose Claude Overlay if
you mainly need to getting inline ai coding help while working inside an ide without switching windows. Its edge: completely free with no additional subscription or api fees beyond your claude plan.
Choose Respan Gateway if
you mainly need to managing multi-provider llm traffic for production ai applications. Its edge: combines routing, observability, and evals in a single platform reducing tool sprawl.
Frequently asked questions
Is Claude Overlay better than Respan Gateway?
Neither is universally better. Claude Overlay is stronger for getting inline ai coding help while working inside an ide without switching windows, with an edge in completely free with no additional subscription or api fees beyond your claude plan. Respan Gateway is stronger for managing multi-provider llm traffic for production ai applications, with an edge in combines routing, observability, and evals in a single platform reducing tool sprawl. Pick based on your main task.
Which is cheaper, Claude Overlay or Respan Gateway?
Claude Overlay starts at Free and Respan Gateway starts at around $49/month based on usage volume. Free tier: Claude Overlay — Fully free and open-source (MIT license); Respan Gateway — Free tier available with limited requests and basic observability features.
What is Claude Overlay best for?
Claude Overlay is best for getting inline ai coding help while working inside an ide without switching windows, asking claude to read, edit, or debug files visible on your screen in real time, using natural-language commands to navigate or refactor an unfamiliar codebase hands-free.
What is Respan Gateway best for?
Respan Gateway is best 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.
Do Claude Overlay and Respan Gateway have free plans?
Claude Overlay: Fully free and open-source (MIT license). Respan Gateway: Free tier available with limited requests and basic observability features. Check each tool's pricing page for current limits, as plans change.