Qwen: Qwen3.5 397B A17B
Qwen3.5 397B A17B from Qwen is an advanced AI model capable of handling text, images, and videos with a context length of 262,144 tokens. It supports reasoning and tools, making it versatile for various applications; however, structured output capability is not supported. This model stands out with its robust benchmark score of 63.0 across four independent metrics, but its pricing at $0.45 per million input tokens and $3.0 per million output tokens might be a significant factor for cost-sensitive users. Suitable for those requiring multi-modal handling and reasoning capabilities, Qwen3.5 remains competitive in terms of value despite the price point.
Benchmark results
Independent, published benchmarks. Blended score 63.0 across 4 benchmarks, last refreshed 2026-08-13. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 56.5 |
| AI Index Coding | software engineering tasks | 79.5 |
| AI Index Agentic | multi-step tool-using tasks | 32.7 |
| EQ-Bench | emotional understanding in dialogue | 71.3 |
- Model ID
- qwen/qwen3.5-397b-a17b
- Vendor
- qwen
- Released
- February 2026
- Tokenizer
- Qwen3
- Input Modalities
- text, image, video
- Output Modalities
- text
- Max Output
- 65,536 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- ✓ accepts images
- Audio
- no
- Moderated
- no
What it costs in practice
Computed from the current $0.45/M input and $3.00/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.02 |
| Classify 1,000 customer emails | 500k in / 50k out | $0.38 |
| A month of a busy support chatbot | 5M in / 2M out | $8.25 |
Price & spec history
Tracked daily by PicksByModel since 2026-07-17.
| Date | Input /M | Output /M | Context |
|---|---|---|---|
| 2026-08-13 | $0.45 | $3.00 | 262,144 |
| 2026-08-11 | $0.50 | $3.60 | 262,144 |
| 2026-07-17 | $0.39 | $2.34 | 262,144 |
Category rankings
Where Qwen: Qwen3.5 397B A17B places across the 6 categories it ranks in. How we rank →
| # | Category | Score |
|---|---|---|
| #14 | Video SummarizationVideo · of 25 ranked | 153 |
| #21 | Short-Form SummarizationWriting · of 25 ranked | 130 |
| #21 | Chat CompanionPersonal · of 25 ranked | 130 |
| #22 | Trivia & General KnowledgePersonal · of 25 ranked | 120 |
| #23 | Email DraftingWriting · of 25 ranked | 126 |
| #23 | Language LearningEducation · of 25 ranked | 126 |
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Quick answers
- How much does Qwen: Qwen3.5 397B A17B cost?
- $0.45 per million input tokens and $3.00 per million output tokens.
- What is Qwen: Qwen3.5 397B A17B's context window?
- 262,144 tokens, roughly 393 pages of text in a single request.
- Does Qwen: Qwen3.5 397B A17B support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can Qwen: Qwen3.5 397B A17B process images?
- Yes, it accepts image input.