Qwen3.8-Max vs GPT-5.6 Sol
Which one to choose
Pick Qwen3.8-Max for long autonomous coding sessions and for inputs that include video or documents alongside images. Pick GPT-5.6 Sol for complex professional and scientific work that needs schema-checked JSON and adjustable reasoning effort. Sol belongs to a family OpenAI now lists as legacy, with GPT-6 recommended for new builds, so choose it mainly to keep an existing GPT-5.6 setup rather than to start a new one.
Pricing comparison
| Qwen3.8-Max | GPT-5.6 Sol | |
|---|---|---|
| Model maker | Alibaba Cloud | OpenAI |
| Delivery availability | Available | Available |
| Context window | 992K | 1.05M |
| Max output | 128K | 128K |
| Official price | Input$2.00per 1M tokensOutput$6.00per 1M tokens | Input$4.00per 1M tokensOutput$20.00per 1M tokens |
| TokenLab price | — | Input$1.20per 1M tokensOutput$6.00per 1M tokens |
| Model performance | Collecting data |
|
| Capabilities | JSON modePrompt CacheTool useVision | CodeJSON modePrompt CacheReasoningTool useVision |
Choose Qwen3.8-Max when
- You want an agent to keep iterating on code for very long sessions without a person steering each step.
- Your inputs include video and office documents as well as images.
- You are comparing a hosted flagship with an open-weight sibling and want the same model family on both sides.
Choose GPT-5.6 Sol when
- You already run GPT-5.6 and need its behaviour to stay the same.
- You need a request to read a diagram and return JSON that is checked against a schema.
- You want to spend reasoning effort on hard turns and keep easy ones cheap in time.
How they differ
| Aspect | Qwen3.8-Max | GPT-5.6 Sol |
|---|---|---|
| Main target | Alibaba positions it for autonomous coding, professional office work and long-horizon agent tasks. | OpenAI positions Sol as the top of the GPT-5.6 family for complex professional work, scientific analysis, coding and long agent runs. |
| Video and documents | Accepts video and documents with images and text. | Reads text and images. |
| Structured output | Supports structured JSON output and tool use for agent frameworks. | Returns JSON checked against a schema, and can combine that with image input in one request. |
| Reasoning dial | Thinking is part of the model; Alibaba describes long-running autonomous work rather than an effort setting. | Reasoning effort is adjustable per request. |
| Lifecycle | Alibaba's current proprietary flagship of the Qwen3.8 generation. | Part of the GPT-5.6 family, which OpenAI's model guidance now lists as legacy in favour of GPT-6. |
Summary
- Qwen3.8-Max: Input $2.00 / Output $6.00 per 1M tokens; GPT-5.6 Sol: Input $1.20 / Output $6.00 per 1M tokens. Rates depend on the billing unit, specification, and usage. Compare matching conditions in the model's detailed pricing; a single rate does not determine the total cost.
FAQ
Is Qwen3.8-Max better than GPT-5.6 Sol for coding?
Alibaba targets autonomous, multi-day coding with Qwen3.8-Max, and OpenAI targets complex coding with Sol. Run both on your own repository; the better one depends on session length and how much you need schema-checked output.
Which one handles video?
Qwen3.8-Max accepts video input. GPT-5.6 Sol reads text and images, so a video has to be reduced to frames before you send it. Frame extraction is a simple step.
Is GPT-5.6 Sol still the recommended OpenAI model?
No. OpenAI's guidance points new projects to GPT-6 and lists the GPT-5.6 family as legacy. Sol remains a fit for workloads already built on GPT-5.6.
Is Qwen3.8-Max open source?
No. It is a proprietary hosted model. Alibaba publishes a separate open-weight sibling, Qwen3.8-2.4T-A95B, which leaves out the multimodal input of the hosted model. Pick the sibling only if you need weights.
Which is cheaper, Qwen3.8-Max or GPT-5.6 Sol?
Qwen3.8-Max: Input $2.00 / Output $6.00 per 1M tokens; GPT-5.6 Sol: Input $1.20 / Output $6.00 per 1M tokens. Rates depend on the billing unit, specification, and usage. Compare matching conditions in the model's detailed pricing; a single rate does not determine the total cost.
What are the key differences between Qwen3.8-Max and GPT-5.6 Sol?
GPT-5.6 Sol: Code, Reasoning
Sources
- Qwen3.8-Max: A New Bar for Coding and Cowork
- GPT-5.6: Frontier intelligence that scales with your ambition
- Using GPT-6 (model guidance)
Reviewed Oct 2, 2026