Key Info

LiteLLM provides day-0 support for Anthropic's Claude Sonnet 5.5, the second model in the Claude 5.5 family, advertised as a clear upgrade over Sonnet 5 with over 30% faster speed and up to 30% lower cost for most work.

Highlights

  • LiteLLM is one of the first API gateways to serve Claude Sonnet 5.5 immediately on release.
  • The new model offers improved performance efficiency, running more than 30% faster than its predecessor.
  • Pricing is reduced by up to 30% for typical workloads, making advanced AI more accessible.