Model comparison

GPT-5.1 vs Qwen3-1.7B

GPT-5.1 is the stronger model overall, scoring 49.0 to 26.6 on the Noometry Index.

Last verified . 3 shared benchmarks.

GPT-5.1 OpenAI

49.0

Rank #53 Confirmed

Qwen3-1.7B Alibaba (Qwen)

26.6

Rank #336 Reported

Summary

  • They share 3 benchmarks with published results for both. GPT-5.1 scores higher in 4 categories and Qwen3-1.7B in 0 categories; 4 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5.1 leads 52.2 to 16.3.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 88.6% for GPT-5.1 and 8.1% for Qwen3-1.7B.
  • Qwen3-1.7B has downloadable open weights; the other is API-only.

Side by side

GPT-5.1 and Qwen3-1.7B specifications
GPT-5.1Qwen3-1.7B
ProviderOpenAIAlibaba (Qwen)
Noometry Index49.026.6
Released2025-11-132025-04-29
WeightsProprietaryOpen
Context window400K—
Max output128K—
Input $ / M tokens$1.25—
Output $ / M tokens$10—
Results tracked634

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Category by category

Coding Not comparable

GPT-5.1: 46.4 (#66), Qwen3-1.7B: —

Coding benchmarks
BenchmarkGPT-5.1Qwen3-1.7B
SWE-bench Verified68%—
SWE-bench Verified (bash only)66%—
LMArena WebDev1395—
SciCode43.3%—
GSO13.7%—
WeirdML60.8%—
LiveBench Coding72.5%—
LMArena Coding1454—
ALE-Bench1,192—

Agentic & Tool Use GPT-5.1 leads

GPT-5.1: 32.7 (#60), Qwen3-1.7B: 24.7 (#115)

Agentic & Tool Use benchmarks
BenchmarkGPT-5.1Qwen3-1.7B
Terminal-Bench47.6%—
Berkeley Function Calling Leaderboard—28.4%
DeepResearch Bench42.8%—
LMArena Search1199—
Vending-Bench 21,473—

Reasoning GPT-5.1 leads

GPT-5.1: 39.8 (#58), Qwen3-1.7B: 19.2 (#267)

Reasoning benchmarks
BenchmarkGPT-5.1Qwen3-1.7B
Chess Puzzles32%0%
ARC-AGI-217.6%—
SimpleBench53.2%—
ARC-AGI-172.8%—
CritPt4.9%—
EnigmaEval11.2%—
LiveBench Reasoning95.8%—
LMArena Hard Prompts1457—
Mystery Game Puzzles19%—
DTBench90.1%—
LiveBench Data Analysis72.1%—
LMCA43.9%—
Epoch Capabilities Index149.64—
ForecastBench58.1—
LiveBench78.8%—

Math GPT-5.1 leads

GPT-5.1: 52.2 (#51), Qwen3-1.7B: 16.3 (#294)

Math benchmarks
BenchmarkGPT-5.1Qwen3-1.7B
OTIS Mock AIME 2024-202588.6%8.1%
Omni-MATH46.4%—
LiveBench Math94.5%—
LMArena Math1447—
FrontierMath (Feb 2025 set)31%—
FrontierMath Tier 4 (v1)12.5%—

Knowledge GPT-5.1 leads

GPT-5.1: 50.6 (#71), Qwen3-1.7B: 19.6 (#278)

Knowledge benchmarks
BenchmarkGPT-5.1Qwen3-1.7B
GPQA Diamond87.6%38%
Humanity's Last Exam23.7%—
SimpleQA Verified48%—
MMLU-Pro57.9%—
Vectara Hallucination Rate10.9%—
GPQA (HELM)44.2%—
LMArena Expert1470—

Multimodal Not comparable

GPT-5.1: 44.8 (#19), Qwen3-1.7B: —

Multimodal benchmarks
BenchmarkGPT-5.1Qwen3-1.7B
LMArena Vision1250—
VPCT58.7%—
LMArena Document1403—

Multilingual Not comparable

GPT-5.1: 53.8 (#56), Qwen3-1.7B: —

Multilingual benchmarks
BenchmarkGPT-5.1Qwen3-1.7B
LMArena Non-English1431—
LMArena Chinese1495—
LMArena French1450—
LMArena German1438—
LMArena Japanese1453—
LMArena Korean1401—
LMArena Russian1435—
LMArena Spanish1433—

Instruction Following Not comparable

GPT-5.1: 83.9 (#1), Qwen3-1.7B: —

Instruction Following benchmarks
BenchmarkGPT-5.1Qwen3-1.7B
LiveBench Instruction Following93.3%—
IFEval93.5%—
LMArena Instruction Following1443—

Long Context Not comparable

GPT-5.1: 47.6 (#14), Qwen3-1.7B: —

Long Context benchmarks
BenchmarkGPT-5.1Qwen3-1.7B
CL-bench23.7%—
CL-bench Life17.3%—
LMArena Longer Query1447—

Writing & Preference Not comparable

GPT-5.1: 64.5 (#55), Qwen3-1.7B: —

Writing & Preference benchmarks
BenchmarkGPT-5.1Qwen3-1.7B
LMArena Text1443—
LMArena Creative Writing1427—
WildBench86.3%—
LMArena Multi-Turn1450—
LiveBench Language80.2%—

Frequently asked questions

Is GPT-5.1 better than Qwen3-1.7B?

GPT-5.1 is the stronger model overall, scoring 49.0 to 26.6 on the Noometry Index.

How many benchmarks do GPT-5.1 and Qwen3-1.7B share?

3 benchmarks have published results for both models. GPT-5.1 has 63 scored results on Noometry and Qwen3-1.7B has 4.

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