GPT-6 Sol vs MiMo-V2.6-Flash: Specs & Benchmark Comparison
GPT-6 Sol is developed by OpenAI, while MiMo-V2.6-Flash comes from Xiaomi. Both were released in September 2026. MiMo-V2.6-Flash has a published size of about 309 billion parameters; OpenAI has not disclosed the parameter count of GPT-6 Sol.
The two models share 3 published benchmarks. GPT-6 Sol leads on 2 of them, MiMo-V2.6-Flash on 1. The widest gaps are on Agents' Last Exam, where GPT-6 Sol scores 56.4% against 27.6%; AutomationBench v1.0.6, where MiMo-V2.6-Flash scores 52.3% against 33.2%. Averaged across everything we track, GPT-6 Sol sits at 54.4% and MiMo-V2.6-Flash at 55.6%.
MiMo-V2.6-Flash is the cheaper API at $0.14 per million input tokens and $0.28 per million output tokens, roughly 14 times cheaper than GPT-6 Sol at $2 and $10. Both accept a context window of about 1M tokens. GPT-6 Sol accepts text and images as input, while MiMo-V2.6-Flash accepts text, images, audio, and video.
| Characteristic | GPT-6 Sol | MiMo-V2.6-Flash |
|---|---|---|
| Company | OpenAI | Xiaomi |
| Release Date | September 22, 2026 | September 22, 2026 |
| Parameters | — | 309B |
| Multimodal | Yes | Yes |
| Context (input) | 1.1M | 1.0M |
| Context (output) | 128K | — |
| Input Price / 1M | $2.00 | $0.14 |
| Output Price / 1M | $10.00 | $0.28 |
| Average Score | 54.4% | 55.6% |
| Benchmarks | ||
| Agents' Last Exam | 56.4% | 27.6% |
| AutomationBench v1.0.6 | 33.2% | 52.3% |
| DeepSWE 1.1 | 68.8% | 67.9% |
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, MiMo-V2.6-Flash — 0.6.
MiMo-V2.6-Flash is 28.6x cheaper: input $0.14/1M vs $2.00/1M tokens.
GPT-6 Sol supports a larger context: 1M vs 1M tokens.
Both models were released around the same time: 9/22/2026 and 9/22/2026.
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Frequently Asked Questions
Which is better for coding — GPT-6 Sol or MiMo-V2.6-Flash?
Which model is cheaper — GPT-6 Sol or MiMo-V2.6-Flash?
Which has a larger context window — GPT-6 Sol or MiMo-V2.6-Flash?
The GPT-6 Sol and MiMo-V2.6-Flash 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 MiMo-V2.6-Flash page. See also the complete list of AI model comparisons.