GPT-5.6 Sol Pro cut across 2 Azure listings, by up to 33% at Azure (EU region) (output)
Published 23 September 2026
Price move, per 1M tokens
- Azure (EU region) · input↓ 20%$5.50 → $4.40
- Azure (EU region) · output↓ 33%$33.00 → $22.00
- Azure (EU region) · cache read↓ 20%$0.55 → $0.44
- Azure (EU region) · cache write↓ 20%$6.88 → $5.50
- Azure · input↓ 20%$5.00 → $4.00
- Azure · output↓ 33%$30.00 → $20.00
- Azure · cache read↓ 20%$0.50 → $0.40
- Azure · cache write↓ 20%$6.25 → $5.00
| host | rate | was | now | change |
|---|---|---|---|---|
| Azure (EU region) | input | $5.50 | $4.40 | ↓ 20% |
| Azure (EU region) | output | $33.00 | $22.00 | ↓ 33% |
| Azure (EU region) | cache read | $0.55 | $0.44 | ↓ 20% |
| Azure (EU region) | cache write | $6.88 | $5.50 | ↓ 20% |
| Azure | input | $5.00 | $4.00 | ↓ 20% |
| Azure | output | $30.00 | $20.00 | ↓ 33% |
| Azure | cache read | $0.50 | $0.40 | ↓ 20% |
| Azure | cache write | $6.25 | $5.00 | ↓ 20% |
Azure (EU region) output: ↓ 33%Azure output: ↓ 33%
The model
GPT-5.6 Sol Proopen the model →
Proprietary1050K context6 hosts
No leaderboard with a large enough field rates this model yet.
GPT-5.6 Sol Pro is OpenAI's proprietary flagship reasoning model that accepts text, images and files across a 1.05 million token request limit. It offers a wide speed-for-cost trade-off, from a slow budget tier to a fast Azure-hosted option, though no benchmark scores are available to verify its capabilities.
Source
Read on openrouter.ai · we published this on 23 September 2026.
read the original at openrouter.ai ↗