# Qwen3.5 9B

Model tracker · checked 2026-10-15 · https://dbggr.dev/models/qwen3-5-9b/

Qwen3.5 9B is a fast open-weight model from Alibaba. At DeepInfra it costs $0.10 per million input tokens and $0.15 per million output tokens, with a 262K-token context window. 2 providers serve it, and DeepInfra is the cheapest.

- Made by: Alibaba Group (Qwen, Alibaba Cloud)
- Status: Generally available
- Tier: Fast
- Weights: Open
- Context window: 262,144 tokens
- Max output: 81,920 tokens
- Input: text, image, video
- API id: Qwen/Qwen3.5-9B
- Docs: https://huggingface.co/Qwen/Qwen3.5-9B

## Qwen3.5 9B price at 2 providers

US dollars per million tokens. Blended is 3 input tokens for every output token, one number to compare on. The cheapest blended price is highlighted.

| Provider | Input | Output | Cached input | Blended | Batch | Checked |
|---|---|---|---|---|---|---|
| DeepInfra | $0.10 | $0.15 | – | $0.113 | – | [2026-10-15](https://deepinfra.com/pricing) |
| Together AI | $0.17 | $0.25 | – | $0.19 | – | [2026-10-15](https://www.together.ai/pricing) |

## Qwen3.5 9B benchmarks

| Benchmark | Score | What it measures | Reported by |
|---|---|---|---|
| GPQA Diamond | 81.7% | graduate-level science questions answered correctly | [Alibaba](https://huggingface.co/Qwen/Qwen3.5-9B) |

Scores reported by a model's maker aren't independently checked.

## Models like Qwen3.5 9B

| Model | Input | Output | Context | Weights |
|---|---|---|---|---|
| Qwen3.5 9B | $0.10 | $0.15 | 262K | Open |
| [gpt-oss-20b](https://dbggr.dev/models/gpt-oss-20b/) | $0.07 | $0.25 | 131K | Open |
| [Ministral 3 3B](https://dbggr.dev/models/ministral-3-3b/) | $0.10 | $0.10 | 256K | Open |
| [gpt-oss-120b](https://dbggr.dev/models/gpt-oss-120b/) | $0.05 | $0.25 | 131K | Open |
| [NVIDIA Nemotron 3.5 Lightning 30B A3B](https://dbggr.dev/models/nvidia-nemotron-3-5-lightning-30b-a3b/) | $0.06 | $0.16 | 262K | Open |
| [Ministral 3 8B](https://dbggr.dev/models/ministral-3-8b/) | $0.15 | $0.15 | 256K | Open |

## FAQ

### How much does Qwen3.5 9B cost?

Qwen3.5 9B costs $0.10 per million input tokens and $0.15 per million output tokens at DeepInfra. Prices are list prices in US dollars, last checked 15 October 2026.

### What is Qwen3.5 9B's context window?

Qwen3.5 9B takes up to 262,144 tokens in one request and writes up to 81,920 tokens in one response.

### Is Qwen3.5 9B open weight?

Yes. Alibaba publishes the weights, so you can run Qwen3.5 9B yourself or at any host that serves it.

### Where can I use Qwen3.5 9B?

Qwen3.5 9B is available from DeepInfra and Together AI. At DeepInfra, call it as `Qwen/Qwen3.5-9B`.