SPECS
| context window | 1,050,000 tokens |
|---|---|
| max output | 128,000 tokens |
| price in / out | $2.5 / $15 per 1M tokens |
| weights | closed |
openrouter.ai/api/v1/models (as of 2026-11-12)
Kindmodel
Access—
Pricing—
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Caps3
PUBLISHED BENCHMARKS
| aaIndex | 39 |
|---|---|
| aaCodingIndex | 71.1 |
OpenAI published · 2025
MACHINE-READABLE
GET /api/v1/resources/gpt-5-4Open JSON ↗