Model comparison

GPT-4o mini vs Qwen3 8B

Qwen3 8B is the stronger model overall, scoring 33.7 to 25.5 on the Noometry Index.

Last verified . 6 shared benchmarks.

GPT-4o mini OpenAI

25.5

Rank #343 Confirmed

Qwen3 8B Alibaba (Qwen)

33.7

Rank #238 Confirmed

Summary

  • They share 6 benchmarks with published results for both. GPT-4o mini scores higher in 1 category and Qwen3 8B in 5 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in math, where Qwen3 8B leads 34.9 to 10.4.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 6.9% for GPT-4o mini and 56.1% for Qwen3 8B.
  • GPT-4o mini is cheaper at $0.15 / $0.60 per million input/output tokens, against $0.18 / $0.70 for Qwen3 8B.
  • Qwen3 8B accepts more context: 131K tokens versus 128K.
  • Qwen3 8B has downloadable open weights; the other is API-only.

Side by side

GPT-4o mini and Qwen3 8B specifications
GPT-4o miniQwen3 8B
ProviderOpenAIAlibaba (Qwen)
Noometry Index25.533.7
Released2024-07-182025-04
WeightsProprietaryOpen
Context window128K131K
Max output16K8K
Input $ / M tokens$0.15$0.18
Output $ / M tokens$0.60$0.70
Results tracked6011

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Category by category

Coding Qwen3 8B leads

GPT-4o mini: 22.0 (#335), Qwen3 8B: 34.0 (#248)

Coding benchmarks
BenchmarkGPT-4o miniQwen3 8B
Aider Polyglot3.6%—
SciCode—22.6%
WeirdML11.8%—
BigCodeBench Instruct46.1%—
LiveBench Coding43.1%—
LMArena Coding1290—
BigCodeBench Complete57.4%—
HumanEval+83.5%—
MBPP+72.2%—

Agentic & Tool Use Qwen3 8B leads

GPT-4o mini: 27.5 (#101), Qwen3 8B: 30.2 (#78)

Agentic & Tool Use benchmarks
BenchmarkGPT-4o miniQwen3 8B
Berkeley Function Calling Leaderboard—42.6%
BALROG17.4%—

Reasoning Qwen3 8B leads

GPT-4o mini: 8.7 (#347), Qwen3 8B: 16.6 (#303)

Reasoning benchmarks
BenchmarkGPT-4o miniQwen3 8B
Chess Puzzles0%5%
DTBench54.4%59.7%
LMCA10.4%8.8%
Epoch Capabilities Index126.56136.17
ARC-AGI-20%—
SimpleBench10.7%—
Kagi LLM Benchmark28.8%—
CritPt—0%
LiveBench Reasoning32.8%—
LMArena Hard Prompts1267—
Mystery Game Puzzles12%—
LiveBench Data Analysis50%—
LiveBench41.3%—
PIQA88.7%—

Math Qwen3 8B leads

GPT-4o mini: 10.4 (#314), Qwen3 8B: 34.9 (#191)

Math benchmarks
BenchmarkGPT-4o miniQwen3 8B
OTIS Mock AIME 2024-20256.9%56.1%
FrontierMath (Tiers 1-3)0.7%—
Omni-MATH28%—
LiveBench Math36.3%—
LMArena Math1267—
MATH Level 552.6%—
GSM8K91.3%—

Knowledge Qwen3 8B leads

GPT-4o mini: 17.7 (#284), Qwen3 8B: 36.1 (#173)

Knowledge benchmarks
BenchmarkGPT-4o miniQwen3 8B
GPQA Diamond37.7%56.8%
SimpleQA Verified8.3%—
MMLU-Pro60.3%—
Confabulations37.2%—
Vectara Hallucination Rate—4.8%
GPQA (HELM)36.8%—
LMArena Expert1235—
BoolQ88.7%—
MMLU81.8%—

Multimodal Not comparable

GPT-4o mini: 25.9 (#122), Qwen3 8B: —

Multimodal benchmarks
BenchmarkGPT-4o miniQwen3 8B
LMArena Vision1066—
Video-MME64.8%—
GeoBench64%—
VPCT34%—

Multilingual Not comparable

GPT-4o mini: 42.0 (#199), Qwen3 8B: —

Multilingual benchmarks
BenchmarkGPT-4o miniQwen3 8B
LMArena Non-English1266—
LMArena Chinese1265—
LMArena French1297—
LMArena German1272—
LMArena Japanese1216—
LMArena Korean1195—
LMArena Russian1275—
LMArena Spanish1276—

Instruction Following Not comparable

GPT-4o mini: 61.9 (#239), Qwen3 8B: —

Instruction Following benchmarks
BenchmarkGPT-4o miniQwen3 8B
LiveBench Instruction Following56.8%—
IFEval78.2%—
LMArena Instruction Following1258—

Long Context GPT-4o mini leads

GPT-4o mini: 39.1 (#186), Qwen3 8B: 37.9 (#210)

Long Context benchmarks
BenchmarkGPT-4o miniQwen3 8B
Fiction.LiveBench—62.1%
LMArena Longer Query1289—

Writing & Preference Not comparable

GPT-4o mini: 39.5 (#248), Qwen3 8B: —

Writing & Preference benchmarks
BenchmarkGPT-4o miniQwen3 8B
LMArena Text1286—
LMArena Creative Writing1268—
Short-Story Creative Writing67.2%—
EQ-Bench Creative Writing873—
WildBench79.1%—
LMArena Multi-Turn1285—
LiveBench Language28.6%—

Frequently asked questions

Is GPT-4o mini better than Qwen3 8B?

Qwen3 8B is the stronger model overall, scoring 33.7 to 25.5 on the Noometry Index.

Which is cheaper, GPT-4o mini or Qwen3 8B?

GPT-4o mini is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; Qwen3 8B lists at $0.18 and $0.70.

Is GPT-4o mini or Qwen3 8B better for coding?

Qwen3 8B scores higher on coding benchmarks: 34.0 versus 22.0 in the Noometry coding category.

Which has the bigger context window?

Qwen3 8B does, with 131K tokens against 128K.

How many benchmarks do GPT-4o mini and Qwen3 8B share?

6 benchmarks have published results for both models. GPT-4o mini has 60 scored results on Noometry and Qwen3 8B has 11.

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