gpt-5.4-nano

Model ID: gpt-5.4-nano Provider: openai Tier: instant Capabilities: chat, fast

openai chat, fast model.

Access

Available on instant. 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-5.4-nano", "messages": [{"role": "user", "content": "Hello"}]}'

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