GPT-5.6 Sol vs Qwen3.8-Flash-Next
GPT-5.6 Sol leads the LLM Stats Score 57.2 to 50.5.
OpenAI · Alibaba Cloud / Qwen Team · Updated for 2026
Which is better?
GPT-5.6 Sol leads the overall LLM Stats Score 57.2 to 50.5, ranking #1 overall.
In the 6 individual benchmarks reported for both models, GPT-5.6 Sol wins 5; 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 57.2 and ranks #1 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you value its reported benchmark strengths — it wins 5 of 6 exact shared results
Choose Qwen3.8-Flash-Next
- you want the most recent training data — it shipped Aug 2026
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
44 reported for GPT-5.6 Sol · 22 for Qwen3.8-Flash-Next
GPT-5.6 Sol outperforms in 5 benchmarks (Agents' Last Exam, DeepSWE 1.1, GPQA, OSWorld 2.0, SWE-Bench Pro), while Qwen3.8-Flash-Next is better at 1 benchmark (Toolathlon).
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 Qwen3.8-Flash-Next support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
GPT-5.6 Sol
Qwen3.8-Flash-Next
License
Usage and distribution terms
GPT-5.6 Sol is licensed under a proprietary license, while Qwen3.8-Flash-Next uses Qwen Community License 1.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Qwen Community License 1.0
Open weights
Release Timeline
When each model was launched
GPT-5.6 Sol was released on 2026-07-09, while Qwen3.8-Flash-Next was released on 2026-08-26.
Qwen3.8-Flash-Next is 2 months newer than GPT-5.6 Sol.
Jul 9, 2026
1 months ago
Aug 26, 2026
2 days ago
1mo newerKnowledge Cutoff
When training data ends
GPT-5.6 Sol has a documented knowledge cutoff of 2026-02-16, while Qwen3.8-Flash-Next'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 Qwen3.8-Flash-Next's cutoff date.
Feb 2026
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Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-5.6 Sol and Qwen3.8-Flash-Next side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-5.6 Sol vs Qwen3.8-Flash-Next.