GPT-5.6 Sol vs MiMo-V2.6-Pro
GPT-5.6 Sol leads the LLM Stats Score 55.0 to 40.6.
OpenAI · Xiaomi · Updated for 2026
Which is better?
GPT-5.6 Sol leads the overall LLM Stats Score 55.0 to 40.6, ranking #3 overall.
In the 1 individual benchmarks reported for both models, GPT-5.6 Sol wins 1; this is a narrower head-to-head signal than the composite indexes.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose GPT-5.6 Sol
- overall performance matters — it scores 55.0 and ranks #3 on LLM Stats
- your work emphasizes coding — it leads those capability indexes
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
Choose MiMo-V2.6-Pro
- you want the most recent training data — it shipped Sep 2026
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Individual benchmarks
45 reported for GPT-5.6 Sol · 3 for MiMo-V2.6-Pro
GPT-5.6 Sol outperforms in 1 benchmarks (DeepSWE 1.1), while MiMo-V2.6-Pro is better at 0 benchmarks.
GPT-5.6 Sol significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Context Window
Maximum input and output token capacity
Only GPT-5.6 Sol specifies input context (1,050,000 tokens). Only GPT-5.6 Sol specifies output context (128,000 tokens).
Input capabilities
Documented input modalities across available providers
Both GPT-5.6 Sol and MiMo-V2.6-Pro support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
GPT-5.6 Sol
MiMo-V2.6-Pro
License
Usage and distribution terms
GPT-5.6 Sol is licensed under a proprietary license, while MiMo-V2.6-Pro uses MIT.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
MIT
Open weights
Release Timeline
When each model was launched
GPT-5.6 Sol was released on 2026-07-09, while MiMo-V2.6-Pro was released on 2026-09-22.
MiMo-V2.6-Pro is 3 months newer than GPT-5.6 Sol.
Jul 9, 2026
2 months ago
Sep 22, 2026
-1 days ago
2mo newerKnowledge Cutoff
When training data ends
GPT-5.6 Sol has a documented knowledge cutoff of 2026-02-16, while MiMo-V2.6-Pro's cutoff date is not specified.
We can confirm GPT-5.6 Sol's training data extends to 2026-02-16, but cannot make a direct comparison without MiMo-V2.6-Pro's cutoff date.
Feb 2026
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Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-5.6 Sol and MiMo-V2.6-Pro side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-5.6 Sol vs MiMo-V2.6-Pro.