# Qwen: Qwen3.5-9B

- Model id: `qwen/qwen3.5-9b`
- Served by: -
- List price per 1M tokens, input / output, from: -, with 0% platform fee. A request is billed at the list price of the host that served it.
- Context: 262K, max output 236K
- Prices read 2026-11-15 09:33 UTC
- Page: https://plaingateway.com/models/qwen/qwen3.5-9b

Qwen3.5-9B is a multimodal foundation model from the Qwen3.5 family, designed to deliver strong reasoning, coding, and visual understanding in an efficient 9B-parameter architecture. It uses a unified vision-language design...

## Hosts

| Host | Endpoint | In / out /M | Cache read /M | Context | Served |
|---|---|---|---|---|---|
| Primeintellect | `primeintellect/bf16` | $0.065 / $0.095 | $0.058 | 262K | no |
| DeepInfra | `deepinfra/bf16/flex` | $0.08 / $0.12 | - | 262K | no |
| Darkbloom | `darkbloom/fp4` | $0.08 / $0.13 | $0.04 | 262K | no |
| DeepInfra | `deepinfra/bf16` | $0.10 / $0.15 | - | 262K | no |
| Siliconflow | `siliconflow/fp8` | $0.10 / $0.15 | - | 262K | no |
| Parasail | `parasail/bf16` | $0.10 / $0.25 | - | 262K | no |
| DeepInfra | `deepinfra/bf16/priority` | $0.15 / $0.225 | - | 262K | no |
| Together | `together` | $0.17 / $0.25 | - | 262K | no |

## First request

```sh
curl https://api.plaingateway.com/api/v1/chat/completions \
  -H "Authorization: Bearer $PLAINGATEWAY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "qwen/qwen3.5-9b", "messages": [{"role": "user", "content": "Say hello in five words."}]}'
```

Sign up at https://plaingateway.com/signup (no card), create a key, send a test call, and add credits when you want more. New accounts may get a small starting credit. The whole bootstrap for agents: https://plaingateway.com/llms.txt