GPT-6.1 Sol vs GPT-Image-2.5 (Sunburst)
A direct, empirical evaluation of GPT-6.1 Sol (OpenAI) against GPT-Image-2.5 (Sunburst) (OpenAI).
GPT-6.1 Sol
Developed by OpenAI · Proprietary Frontier Workhorse Engine parameters
Near-Astra reasoning at 1/5th price ($1.25/$5.00), SWE-bench Verified 74.8%, OSWorld 2.0 desktop agent automation, and sub-80ms Ultrafast Mode.
GPT-Image-2.5 (Sunburst)
Developed by OpenAI · Proprietary Multimodal DiT parameters
High-fidelity typographic rendering, raytracing reflection accuracy, sketch-to-image conditioning, and localized comment inpainting.
| Metric | GPT-6.1 Sol | GPT-Image-2.5 (Sunburst) |
|---|---|---|
| SWE-bench Verified | 74.8% | 62.4% |
| MMLU-Pro | 92.4% | 89.5% |
| MATH-500 | 96.2% | 91.2% |
| Context Window | 1,000,000 tokens | Spatial Vector Token Canvas (1792×1024) |
| Input Pricing (per 1M) | $1.25 | $2.50 |
| Output Pricing (per 1M) | $5.00 | $10.00 |