O3 API
O3 by openai, available today through the Riven API — one key, one bill, and the same OpenAI-compatible endpoint as 160+ other models.
openai/o3
Input price
$2.00
per 1M tokens
Output price
$8.00
per 1M tokens
Markup
$0
vendor list price
Capabilities
chatreasoning
Call O3 in one request
The Riven API is OpenAI-compatible. Point your existing SDK at api.rivenai.io and set the model id — no code changes.
curl https://api.rivenai.io/v1/chat/completions \
-H "Authorization: Bearer $RIVEN_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "openai/o3",
"messages": [{"role": "user", "content": "Hello"}]
}'Why teams run O3 on Riven
- Vendor list pricing with transparent per-token rates — you pay exactly what openai charges.
- One API key and one bill across 160+ models from every major lab.
- Self-hosted, single-tenant deployment available for enterprises.
- Automatic failover routing if a provider has an outage.