Key features
Core capabilities each platform advertises.
- 400+ model access
- Intelligent routing & failover (<20ms)
- Cost optimization & spending controls
- PII redaction
- Prompt caching
- SDK generation
- API interface
- Type-safe clients
Updated March 27, 2026
Unified LLM gateway and router with intelligent routing, automatic failover, cost optimization, and PII redaction. Access 400+ models through a single API.
Powers the official SDKs for OpenAI, Anthropic, and others. The de facto gateway interface layer.
Core capabilities each platform advertises.
What each tool does well, and the limitations to keep in mind.
Pros
Cons
Pros
Cons
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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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