Alibaba (Qwen) · Released Feb 23, 2026Qwen3.5 9B
Qwen instruction model for multilingual chat, reasoning, and tool use.
- Capability
- 139.5ECI · #101 of 148
- Input
- $0.10per 1M tokens
- Output
- $0.15per 1M tokens
- Context
- 262K66K max output
What it costs
- Input
- $0.10per million tokens
- Output
- $0.15per million tokens
- Blended (3:1)
- $0.113cheaper than 89% of priced models
Typical monthly bills
| Monthly usage | Estimated cost |
|---|---|
| Side project2M input + 0.5M output tokens | $0.275 |
| Team assistant25M input + 5M output tokens | $3.25 |
| Production app250M input + 50M output tokens | $32.50 |
Median of 14 paid API providers on models.dev.
Independent benchmarks
#101 of 148 scored models
The shaded band is Epoch AI’s confidence range (136.5–141.3); the tick marks the median scored model.
Scores from Epoch AI, run independently of Alibaba (Qwen).
The details
- Lab
- Alibaba (Qwen)
- Released
- Feb 23, 2026
- Context window
- 262,144 tokens
- Max output
- 65,536 tokens
- Inputs
- Text, Images, Video
- Output
- Text
- Reasoning
- Always on
- Tool calling
- Yes
- Structured output
- Yes
- Weights
- Open weights
- Availability
- 15 API providerslisted on models.dev
More from Alibaba (Qwen)
About Qwen3.5 9B
How much does Qwen3.5 9B cost?
Qwen3.5 9B costs $0.10 input / $0.15 output per million tokens (median across 14 API providers). At a 3:1 input-to-output mix that is $0.113 per million tokens, cheaper than 89% of the 360 priced models we track.
What is the context window of Qwen3.5 9B?
Qwen3.5 9B accepts up to 262,144 tokens per request and can write up to 65,536 tokens in one response.
How good is Qwen3.5 9B?
Epoch AI gives Qwen3.5 9B a Capabilities Index score of 139.5 (likely range 136.5–141.3), ranking it #101 of 148 models Epoch has scored. Epoch AI benchmark results: GPQA Diamond 79.0%, OTIS Mock AIME 2024–2025 61.7%.
Is Qwen3.5 9B open source?
Yes. Alibaba (Qwen) publishes the weights, so it can be downloaded and self-hosted.
What inputs does Qwen3.5 9B support?
Qwen3.5 9B accepts text, images and video and replies in text. It is a reasoning model, supports tool calling and can return structured JSON output.
When was Qwen3.5 9B released?
Alibaba (Qwen) released Qwen3.5 9B on Feb 23, 2026.
What are the best alternatives to Qwen3.5 9B?
The closest current models from other labs on capability, price and release date are GPT-5 Nano (OpenAI, ECI 139.4, $0.05 / $0.40), Gemma 4 26B A4B IT (Google, ECI 141.9, $0.10 / $0.38), DeepSeek V4 Flash (DeepSeek, ECI 146.1, $0.14 / $0.28) and Mistral Small 3.2 (Mistral AI, ECI 131.7, $0.10 / $0.30).