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Qwen3.5 4B (Reasoning)

open weights
Alibaba · released 2026-03-02 · 0 offers

Output 26 tokens/sFirst token 0.5 sContext 262K tokens

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Composite

2 of 7 inputs6 radar axes: DesignArena's two boards share one

25.4

AA CodingCoding Agent v1.4AA IntelligenceAA AgenticEpoch ECISoftware ECIDesignArenaAA Coding: percentile 26AA Intelligence: percentile 56

AA Coding 22.6Coding Agent v1.4 AA Intelligence 13.1AA Agentic Epoch ECI Software ECI DesignArena —/—

Radar: percentile among all models measured on each input; a gap means not measured.

Benchmark sheet

11 of 140 registered benchmark versions · bars show the percentile among all models measured on each benchmark.

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Agentic

Coding

  • AA Coding Index2622.6

    AA Coding Index published 2026-09-19 · Published board — Artificial Analysis publishes this board without a version number; we keep the date each result was retained.

Instruction-following

Knowledge

Long-context

  • AA-LCR v1.15763.0%

    AA-LCR v1.1 v1.1 · Published board — Tests reasoning across multiple long documents with corrected answer keys and grading.

Reasoning

Science

Tool-use

  • τ²-Bench Telecom (AA)8792.1%

    τ²-Bench Telecom (AA) published 2026-09-10 · Published board — Tests dual-control telecom agents that coordinate tool use with a simulated user.

  • τ³-Banking (AA) v1.0.1206.8%

    τ³-Banking (AA) v1.0.1 · Published board — Tests banking support agents that retrieve policies and change account state through tools.

Vision

Missing coverage · 132 benchmark versions

No result does not mean a zero, or that the model was never tested. Collection failures and disputed versions retain their distinct status.

Variants / reasoning settings

Artificial Analysis snapshot 2026-09-19 · Data: Artificial Analysis · Data: Epoch AI (CC BY)

VariantAA CodingAA Intelligence
Qwen3.5 4B (Reasoning)22.613.1
Qwen3.5 4B (Non-reasoning)20.310.8
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Qwen3.5 4B (Reasoning) — benchmarks & cost | Benchmark Heaven