Key features
Core capabilities each platform advertises.
- SDK generation
- API interface
- Type-safe clients
- Token compression
- Output quality improvement
- Cost reduction middleware
- LLM-agnostic
Updated March 27, 2026
Powers the official SDKs for OpenAI, Anthropic, and others. The de facto gateway interface layer.
Compression middleware that sits between apps and LLMs, improving output quality while reducing token costs.
Core capabilities each platform advertises.
What each tool does well, and the limitations to keep in mind.
Pros
Cons
Pros
Cons
Choose Stainless if you wantChoose if you want
Choose The Token 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.
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