Qwen3.5 9B
Summary
Qwen3.5 9B is an open-weight language model from Alibaba (Qwen), released on 23 Feb 2026. It accepts text, images and video and generates text, with a 262K-token context window and up to 66K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.10 per million input tokens and $0.15 per million output tokens (DeepInfra), across 5 providers we track.
Qwen instruction model for multilingual chat, reasoning, and tool use
Last verified 4 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | Alibaba (Qwen) |
|---|---|
| Release date | 23 Feb 2026 [models.dev] |
| Status | Generally available [models.dev] |
| Weights | Open weights [Hugging Face] |
| License | apache-2.0 [Hugging Face] |
| Parameters | 9.7B [Hugging Face] |
| Context window | 262K (262,144 tokens) [models.dev] |
| Max output | 66K tokens [models.dev] |
| Knowledge cutoff | Apr 2025 [models.dev] |
| Input | Text, images and video [models.dev] |
| Output | Text [models.dev] |
| Reasoning mode | Yes [models.dev] |
| Tool calling | Yes [models.dev] |
| Structured output | Yes [models.dev] |
| Hugging Face | Qwen/Qwen3.5-9B [Hugging Face] |
Qwen3.5 9B API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| DeepInfra Qwen/Qwen3.5-9B | $0.10 | $0.15 | – | 262K | models.dev, 4 Oct 2026 |
| SiliconFlow Qwen/Qwen3.5-9B | $0.10 | $0.15 | – | 262K | models.dev, 4 Oct 2026 |
| OpenRouter qwen/qwen3.5-9b | $0.10 | $0.15 | – | 256K | OpenRouter, 4 Oct 2026 |
| Together AI Qwen/Qwen3.5-9B | $0.17 | $0.25 | – | 262K | models.dev, 4 Oct 2026 |
| Hugging Face Inference Providers Qwen/Qwen3.5-9B | $0.17 | $0.25 | – | 262K | models.dev, 4 Oct 2026 |
Frequently asked questions
What is the context window of Qwen3.5 9B?
Qwen3.5 9B has a context window of 262,144 tokens (262K) and can generate up to 65,536 tokens in a single response, according to models.dev.
How much does the Qwen3.5 9B API cost?
Qwen3.5 9B is listed from $0.10 per million input tokens and $0.15 per million output tokens (DeepInfra). Prices last verified 4 Oct 2026.
Is Qwen3.5 9B open source?
Qwen3.5 9B is an open-weight model: its weights are published on Hugging Face as Qwen/Qwen3.5-9B under the apache-2.0 license. Check the license terms before commercial use.
When was Qwen3.5 9B released?
Alibaba (Qwen) released Qwen3.5 9B on 23 Feb 2026, according to models.dev.
Which providers offer Qwen3.5 9B?
We track Qwen3.5 9B on 5 providers: DeepInfra, SiliconFlow, OpenRouter, Together AI, Hugging Face Inference Providers.
Change history
No changes detected since we started tracking this model. We re-check every source daily.
Sources
- https://openrouter.ai/qwen/qwen3.5-9b
- https://github.com/sst/models.dev/blob/dev/providers/deepinfra/models/Qwen/Qwen3.5-9B.toml
- https://huggingface.co/Qwen/Qwen3.5-9B
- https://github.com/sst/models.dev/blob/dev/providers/siliconflow/models/Qwen/Qwen3.5-9B.toml
- https://github.com/sst/models.dev/blob/dev/providers/togetherai/models/Qwen/Qwen3.5-9B.toml
- https://github.com/sst/models.dev/blob/dev/providers/huggingface/models/Qwen/Qwen3.5-9B.toml