gpt-5.5

Model ID: gpt-5.5 Provider: openai Tier: pro Capabilities: chat, reasoning

openai chat, reasoning model.

Access

Available on pro. Call it through the Riven API:

curl https://api.rivenai.io/v1/chat/completions \
  -H "Authorization: Bearer $RIVEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "gpt-5.5", "messages": [{"role": "user", "content": "Hello"}]}'

Generated from the live Riven gateway catalog, 2026-07-25.