Major Release Alibaba · Released
Qwen3.5 2B
What is Qwen3.5 2B?
Qwen3.5 2B is a Major Release AI model from Alibaba, released on March 2, 2026. It has a 262K tokens context window, costs $0.02 per million input tokens, and scores 69.0% on TAU2-bench. It is available as open source.
Alibaba Qwen3.5 2B — AA Intelligence Index 16.3, 262K tokens context, reasoning model.
How much does Qwen3.5 2B cost?
| Metric | Price |
|---|---|
| input per mtok | $0.02 |
| output per mtok | $0.10 |
Pricing data verified .
What context window does Qwen3.5 2B have?
- Context window
- 262K tokens
- Max output
- 81K
- Input modalities
- text, image
- Output modalities
- text
How does Qwen3.5 2B score on benchmarks?
| Benchmark | Score |
|---|---|
| GPQA Diamond | 45.6% |
| HLE | 2.1% |
| SciCode | 2.8% |
| TAU2-bench | 69.0% |
| TerminalBench-Hard | 3.8% |
| IF-Bench | 31.5% |
| LiveCodeBench Reasoning | 23.7% |
| AA Intelligence Index | 16.3 |
Benchmark scores verified .