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Alibaba: Qwen3.5-2B

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qwen3-5-2b

Qwen3.5-2B is Alibaba’s open-weights AI model, released Feb 24, 2026.

Context
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Input
— / 1M
Output
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Released
Feb 24, 2026
Modalities

Benchmarks

Scores on standardized evaluations. Higher is better — and rank shows where Qwen3.5-2B lands among all models tracked on Model Beat.

7.0
Intelligence Index
Artificial Analysis
7th percentile of tracked models
0.0
Coding Index
Artificial Analysis
0th percentile of tracked models
21.0
Agentic Index
Artificial Analysis
21st percentile of tracked models

Reasoning

2 evals
GPQA Diamond45.6%

Graduate-level scientific reasoning

Humanity's Last Exam2.6%

Frontier of human expert knowledge

Coding

1 evals
SciCode2.8%

Scientific research coding

Agentic & Tools

1 evals
τ²-bench69.0%

Tool-agent-user reliability

Compare Qwen3.5-2B with

Qwen3.5-2B vs GPT-6 AstraQwen3.5-2B vs Claude Fable 5Qwen3.5-2B vs Kimi K3Qwen3.5-2B vs Grok 4.6Qwen3.5-2B vs DeepSeek-V4-Pro-0813

Frequently asked questions

What is Qwen3.5-2B?

Qwen3.5-2B is a Qwen-family AI model, from Alibaba, released Feb 24, 2026.

Who created Qwen3.5-2B?

Qwen3.5-2B is an AI model developed by Alibaba, part of the Qwen family, released Feb 24, 2026.

How does Qwen3.5-2B perform on benchmarks?

On standardized evaluations tracked by Epoch AI, Qwen3.5-2B scores 69.0% on τ²-bench, 45.6% on GPQA Diamond, 2.6% on Humanity's Last Exam.

Is Qwen3.5-2B open source?

Qwen3.5-2B is released with open weights (Open weights (restricted use)), so the model can be downloaded and self-hosted.

Benchmark data from Epoch AI (CC BY) and Artificial Analysis; pricing, specs & descriptions from OpenRouter. Data updated Sep 4, 2026.