GPT-6 Sol vs GPT-6.1 Sol: Specs & Benchmark Comparison
GPT-6 Sol and GPT-6.1 Sol both come from OpenAI, and both were released in September 2026.
The two models share 3 published benchmarks. GPT-6.1 Sol leads on 3 of them. The widest gaps are on OSWorld 2.0, where GPT-6.1 Sol scores 71.4% against 64.4%; DeepSWE 1.1, where GPT-6.1 Sol scores 75.2% against 68.8%. Averaged across everything we track, GPT-6 Sol sits at 54.4% and GPT-6.1 Sol at 58.5%.
On price the two are close: GPT-6 Sol costs $2 per million input tokens and $10 per million output tokens, GPT-6.1 Sol $2 and $10. Both accept a context window of about 1M tokens. Both accept text and images as input.
| Characteristic | GPT-6 Sol | GPT-6.1 Sol |
|---|---|---|
| Company | OpenAI | OpenAI |
| Release Date | September 22, 2026 | September 29, 2026 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.1M | 1.1M |
| Context (output) | 128K | 128K |
| Input Price / 1M | $2.00 | $2.00 |
| Output Price / 1M | $10.00 | $10.00 |
| Average Score | 54.4% | 58.5% |
| Benchmarks | ||
| OSWorld 2.0 | 64.4% | 71.4% |
| DeepSWE 1.1 | 68.8% | 75.2% |
| AutomationBench v1.0.6 | 33.2% | 36.1% |
Visual Benchmark Comparison
Verdict
Both models show equal results — the choice depends on your specific use case.
Both models show comparable average scores: GPT-6 Sol — 0.5, GPT-6.1 Sol — 0.6.
API cost is identical: input $2.00/1M, output $10.00/1M tokens.
Same context size: 1M tokens.
Both models were released around the same time: 9/22/2026 and 9/29/2026.
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Frequently Asked Questions
Which is better for coding — GPT-6 Sol or GPT-6.1 Sol?
Which model is cheaper — GPT-6 Sol or GPT-6.1 Sol?
Which has a larger context window — GPT-6 Sol or GPT-6.1 Sol?
The GPT-6 Sol and GPT-6.1 Sol comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GPT-6 Sol or GPT-6.1 Sol page. See also the complete list of AI model comparisons.