SPECS
| context window | 1,050,000 tokens |
|---|---|
| max output | 128,000 tokens |
| price in / out | $0.2 / $1.2 per 1M tokens |
| weights | closed |
openrouter.ai/api/v1/models (as of 2026-10-04)
MODEL / GPT-5-6-LUNA-PRO
GPT-5.6 Luna Pro
GPT-5.6 Luna Pro is the same underlying model as [GPT-5.6 Luna](https://openrouter.ai/openai/gpt-5.6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks.
model
textcodevisionreasoning
Kindmodel
Access—
Pricing—
Free tier—
Caps4
MACHINE-READABLE
GET /api/v1/resources/gpt-5-6-luna-proOpen JSON ↗