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Qwen3.5 2B

Qwen3.5 2B is a small open-weight multimodal model from Alibaba for efficient reasoning, coding, visual understanding, tool use, and JSON output.

  • Reasoning
  • Vision
  • Tool Calling
  • Structured Output

Added Aug 16, 2026

Pricing

Auto routing · per 1M tokens
Input
$0.080
Output
$0.16
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Specifications

Context window
262.1K
Max output
32.8K
Parameters
2B

Benchmarks

Sourced from Artificial Analysis.

Intelligence Index

6.2

Better than 17% of models compared

Coding Index

2.4

Better than 1% of models compared

Agentic work

T²-Bench Telecom (legacy)

Legacy fallback · Conversational AI agents in dual-control scenarios

81.6%

Better than 72% of models compared

GDPval-AA v2

Economically valuable tasks (Elo)

-363 Elo

Better than 3% of models compared

Document reasoning

AA-LCR v1.1

Long context reasoning with updated grading

14.0%

Better than 18% of models compared

Reasoning

HLE

Humanity's Last Exam

5.0%

Better than 27% of models compared

IFBench

Instruction-following benchmark

29.1%

Better than 13% of models compared

Coding

Terminal-Bench Hard (legacy)

Legacy fallback · Agentic coding and terminal use

3.8%

Better than 26% of models compared

Legacy benchmarks

GPQA Diamond (legacy)

Graduate-level scientific reasoning

43.8%

Better than 19% of models compared

AA-LCR (unversioned / legacy)

Long context reasoning evaluation

14.0%

Better than 17% of models compared

Last updated Oct 14, 2026

Artificial Analysis

Providers

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