Updated March 27, 2026
Compression middleware that sits between apps and LLMs, improving output quality while reducing token costs.
Vercel AI Gateway provides a unified API for accessing multiple LLM providers with built-in caching, rate limiting, and fallback routing. Integrated into the Vercel platform, it offers edge-optimized inference, usage analytics, and seamless integration with the Vercel AI SDK for production AI applications.
Core capabilities each platform advertises.
What each tool does well, and the limitations to keep in mind.
Pros
Cons
Pros
Cons
Choose The Token if you wantChoose if you want
Choose Vercel AI if you wantChoose if you want
Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 500+ models through one gateway.