OpenAIGPT-6 Sol Pro
GPT-6 Sol Pro is an OpenAI proprietary reasoning model, released 22 Sept 2026. It is not yet ranked: no independent benchmark results so far, only pricing and metadata. At $4.00 per million tokens blended it is among the most expensive ranked models. Output speed of 90 tokens per second puts it faster than most, with a first token in 12.1 s.
- Blended price
- $4.00/M
- $2.00 in · $10.00 out
- Output speed
- 90 tok/s
- OpenRouter traffic, 7-day median; not yet measured by Artificial Analysis
- First answer
- 12 s
- Context
- 1.1M
- Full answer
- –
- Cost per run
- –
- Released
- 22 Sept 2026
Versions
OpenAI has shipped 2 models under this name. Each is ranked on its own results; a newer version often has fewer results so far, which holds its index nearer the average until more arrive.
| Model | Released | Index | Rank |
|---|---|---|---|
| NewGPT-6 Sol Prothis page | 22 Sept 2026 | – | – |
| GPT-5.6 Sol Promax | 9 Jul 2026 | – | – |
No independent quality benchmark results yet — only pricing and metadata.
Where to run it
Every provider serving this model through OpenRouter, with throughput and first-token latency measured on live traffic over the last 30 minutes and each provider’s own price. Purple marks the best in each column.
| Provider | Speed | First token | Input $/M | Output $/M | Context | Quantisation |
|---|---|---|---|---|---|---|
| OpenAI | 124 tok/s | 10 s | $4.00 | $20.00 | 1.1M | – |
| Azure | 92 tok/s | 15 s | $2.00 | $10.00 | 1.1M | – |
| OpenAI | 90 tok/s | 12 s | $2.00 | $10.00 | 1.1M | – |
What a task costs
Estimates from list price, output speed and time to first answer for the best configuration. “With caching” assumes three-quarters of the input is served from the prompt cache. Reasoning tokens are not modelled.
| Workload | Tokens in / out | Cost | With caching | Time |
|---|---|---|---|---|
| Chat reply | 400 / 300 | $0.0038 | – | 15.5 s |
| Summarise a 30-page report | 12,000 / 600 | $0.030 | – | 18.8 s |
| Code edit | 6,000 / 1,500 | $0.027 | – | 28.8 s |
| Agentic coding session | 60,000 / 4,000 | $0.160 | – | 56.6 s |
| Structured extraction | 2,000 / 200 | $0.0060 | – | 14.4 s |
See also
Data as of 23 Sept 2026. Compare with another model.
Cite as: BenchLeader, “GPT-6 Sol Pro: benchmarks, pricing, speed and rank”, https://www.benchleader.com/models/gpt-6-sol-pro, data as of 23 Sept 2026.