SPECS
| context window | 1,050,000 tokens |
|---|---|
| max output | 128,000 tokens |
| price in / out | $30 / $180 per 1M tokens |
| weights | closed |
openrouter.ai/api/v1/models (as of 2026-10-04)
MODEL / GPT-5-5-PRO
GPT-5.5 Pro
GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads.
model
textcodevisionreasoning
Kindmodel
Access—
Pricing—
Free tier—
Caps4
MACHINE-READABLE
GET /api/v1/resources/gpt-5-5-proOpen JSON ↗