High-performance unified API gateway for frontier models (Claude Opus 5, Claude Fable, GPT-5.6 Sol).
POST /v1/chat/completions
Authorization: Bearer <api-key>
{"model":"claude-fable-5","messages":[{"role":"user","content":"..."}]}POST /v1/messages
x-api-key: <api-key>
{"model":"claude-fable-5","messages":[{"role":"user","content":"..."}]}