Model comparison

Qwen1.5-7B vs Qwen3-1.7B

Qwen1.5-7B is the stronger model overall, scoring 31.4 to 26.6 on the Noometry Index.

Last verified October 12, 2026. 0 shared benchmarks.

Qwen1.5-7B

Alibaba (Qwen)

31.4

Rank #273 Confirmed

Qwen3-1.7B

Alibaba (Qwen)

26.6

Rank #336 Reported

Summary

The widest gap is in math, where Qwen1.5-7B leads 31.4 to 16.3.

Side by side

Qwen1.5-7B and Qwen3-1.7B specifications
	Qwen1.5-7B	Qwen3-1.7B
Provider	Alibaba (Qwen)	Alibaba (Qwen)
Noometry Index	31.4	26.6
Released	2024-02-04	2025-04-29
Weights	Open	Open
Context window	—	—
Max output	—	—
Input $ / M tokens	—	—
Output $ / M tokens	—	—
Results tracked	13	4

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Category by category

Coding Not comparable

Qwen1.5-7B: 32.2 (#276), Qwen3-1.7B: —

Coding benchmarks
Benchmark	Qwen1.5-7B	Qwen3-1.7B
LMArena Coding	1107	—

Agentic & Tool Use Not comparable

Qwen1.5-7B: —, Qwen3-1.7B: 24.7 (#115)

Agentic & Tool Use benchmarks
Benchmark	Qwen1.5-7B	Qwen3-1.7B
Berkeley Function Calling Leaderboard	—	28.4%

Reasoning Qwen1.5-7B leads

Qwen1.5-7B: 20.4 (#240), Qwen3-1.7B: 19.2 (#267)

Reasoning benchmarks
Benchmark	Qwen1.5-7B	Qwen3-1.7B
Chess Puzzles	—	0%
LMArena Hard Prompts	1065	—

Math Qwen1.5-7B leads

Qwen1.5-7B: 31.4 (#224), Qwen3-1.7B: 16.3 (#294)

Math benchmarks
Benchmark	Qwen1.5-7B	Qwen3-1.7B
OTIS Mock AIME 2024-2025	—	8.1%
LMArena Math	1080	—

Knowledge Qwen1.5-7B leads

Qwen1.5-7B: 28.7 (#243), Qwen3-1.7B: 19.6 (#278)

Knowledge benchmarks
Benchmark	Qwen1.5-7B	Qwen3-1.7B
GPQA Diamond	—	38%
LMArena Expert	1055	—
MMLU	62.6%	—

Multilingual Not comparable

Qwen1.5-7B: 28.5 (#271), Qwen3-1.7B: —

Multilingual benchmarks
Benchmark	Qwen1.5-7B	Qwen3-1.7B
LMArena Non-English	1058	—
LMArena Chinese	1141	—
LMArena Russian	1006	—

Instruction Following Not comparable

Qwen1.5-7B: 54.1 (#281), Qwen3-1.7B: —

Instruction Following benchmarks
Benchmark	Qwen1.5-7B	Qwen3-1.7B
LMArena Instruction Following	1058	—

Long Context Not comparable

Qwen1.5-7B: 33.1 (#266), Qwen3-1.7B: —

Long Context benchmarks
Benchmark	Qwen1.5-7B	Qwen3-1.7B
LMArena Longer Query	1090	—

Writing & Preference Not comparable

Qwen1.5-7B: 29.6 (#293), Qwen3-1.7B: —

Writing & Preference benchmarks
Benchmark	Qwen1.5-7B	Qwen3-1.7B
LMArena Text	1083	—
LMArena Creative Writing	1035	—
LMArena Multi-Turn	1062	—

Frequently asked questions

Is Qwen1.5-7B better than Qwen3-1.7B?