BenchLeader

Qwen1 5 4B

Qwen1 5 4B is an Alibaba proprietary model. It is not yet ranked: 4 independent results so far, and the index needs at least five across two categories. Last measured 22 Oct 2026.

Blended price
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Output speed
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First answer
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Context
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Full answer
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Cost per run
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Released
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date not published by our sources
How it scores by categoryDashed line = average model (50). One step of 15 = one standard deviation.
  1. Reasoning21
  2. Coding22
  3. Maths23
  4. Human preference20

Benchmark results

See all LLM benchmarks. One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.

Reasoning

Benchmarknot statedSourceTrend
Arena Hard Prompts1095#359Arena (LMArena)

Coding

Benchmarknot statedSourceTrend
Arena Coding1132#352Arena (LMArena)

Maths

Benchmarknot statedSourceTrend
Arena Maths1088#340Arena (LMArena)

Instruction following

Benchmarknot statedSourceTrend
Arena Instruction Followingnot in index1070#357Arena (LMArena)

Human preference

Benchmarknot statedSourceTrend
Arena Text1091#359Arena (LMArena)
Arena Creative Writingnot in index1050#360Arena (LMArena)
Arena Multi-turnnot in index1056#353Arena (LMArena)
Arena Longer Queriesnot in index1080#348Arena (LMArena)

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Questions people ask

Why does Qwen1 5 4B have no BenchLeader Index score?
The index needs at least five independent results across at least two categories; as of 25 Oct 2026 Qwen1 5 4B has 4 that count. Launch-post scores are never used, so it is ranked once independent publishers have measured it.

Data as of 25 Oct 2026. Compare with another model.

Cite as: BenchLeader, “Qwen1 5 4B: benchmarks, pricing, speed and rank”, data as of 25 Oct 2026, https://www.benchleader.com/models/qwen1-5-4b.