Updated March 10, 2026
High-performance open-source LLM gateway written in Go. Handles ~10k RPS with <10ms latency.
Inworld Router is an LLM router with conditional routing, A/B testing, and built-in TTS across 220+ models, billed at provider rates with no markup.
Core capabilities each platform advertises.
InWorld AIWhat each tool does well, and the limitations to keep in mind.
Pros
Cons
InWorld AIPros
Cons
Choose Bifrost if you wantChoose if you want
Choose InWorld 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 1,000+ models through one gateway.
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