Model comparison

GPT-5.4 vs Qwen3 8B

GPT-5.4 is the stronger model overall, scoring 59.4 to 33.7 on the Noometry Index. Qwen3 8B costs 18× less per token, which makes it the better buy when GPT-5.4's lead doesn't matter for your workload.

Last verified . 9 shared benchmarks.

GPT-5.4 OpenAI

59.4

Rank #16 Confirmed

Qwen3 8B Alibaba (Qwen)

33.7

Rank #238 Confirmed

Summary

  • They share 9 benchmarks with published results for both. GPT-5.4 scores higher in 6 categories and Qwen3 8B in 0 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GPT-5.4 leads 61.8 to 16.6.
  • The biggest single-benchmark swing is LMCA: 52% for GPT-5.4 and 8.8% for Qwen3 8B.
  • Qwen3 8B is cheaper at $0.18 / $0.70 per million input/output tokens, against $2.50 / $15 for GPT-5.4.
  • GPT-5.4 accepts more context: 1.05M tokens versus 131K.
  • Qwen3 8B has downloadable open weights; the other is API-only.

Side by side

GPT-5.4 and Qwen3 8B specifications
GPT-5.4Qwen3 8B
ProviderOpenAIAlibaba (Qwen)
Noometry Index59.433.7
Released2026-03-052025-04
WeightsProprietaryOpen
Context window1.05M131K
Max output128K8K
Input $ / M tokens$2.50$0.18
Output $ / M tokens$15$0.70
Results tracked6811

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Category by category

Coding GPT-5.4 leads

GPT-5.4: 52.6 (#33), Qwen3 8B: 34.0 (#248)

Coding benchmarks
BenchmarkGPT-5.4Qwen3 8B
SciCode56.6%22.6%
SWE-bench Verified76.9%—
DeepSWE51.8%—
LMArena WebDev1465—
GSO31.4%—
WeirdML77.7%—
LMArena Coding1497—
MirrorCode15.6%—
ALE-Bench1,607—
AlgoTune1.85—

Agentic & Tool Use GPT-5.4 leads

GPT-5.4: 46.5 (#13), Qwen3 8B: 30.2 (#78)

Agentic & Tool Use benchmarks
BenchmarkGPT-5.4Qwen3 8B
Terminal-Bench81.8%—
APEX-Agents52.4%—
Berkeley Function Calling Leaderboard—42.6%
τ²-bench Banking39.4%—
DeepResearch Bench35.1%—
PostTrainBench19%—
GBAEval45.1%—
LMArena Search1197—
METR Time Horizons74.3%—
Vending-Bench 26,144—

Reasoning GPT-5.4 leads

GPT-5.4: 61.8 (#19), Qwen3 8B: 16.6 (#303)

Reasoning benchmarks
BenchmarkGPT-5.4Qwen3 8B
CritPt23.4%0%
Chess Puzzles44%5%
DTBench94.4%59.7%
LMCA52%8.8%
Epoch Capabilities Index156.81136.17
ARC-AGI-274%—
Kagi LLM Benchmark63.8%—
NYT Connections (extended)91.3%—
ARC-AGI-193.7%—
EnigmaEval16%—
Thematic Generalization80%—
EBR-Bench25.4%—
LMArena Hard Prompts1485—
Mystery Game Puzzles37%—
ForecastBench59.5—

Math GPT-5.4 leads

GPT-5.4: 73.5 (#19), Qwen3 8B: 34.9 (#191)

Knowledge GPT-5.4 leads

GPT-5.4: 65.3 (#14), Qwen3 8B: 36.1 (#173)

Knowledge benchmarks
BenchmarkGPT-5.4Qwen3 8B
GPQA Diamond93.3%56.8%
Vectara Hallucination Rate7%4.8%
Humanity's Last Exam36.2%—
SimpleQA Verified45.1%—
LMArena Expert1507—

Multimodal Not comparable

GPT-5.4: 43.7 (#20), Qwen3 8B: —

Multimodal benchmarks
BenchmarkGPT-5.4Qwen3 8B
LMArena Vision1303—
Blueprint-Bench 227.1%—
Furniture Assembly37.5%—
LMArena Document1471—

Multilingual Not comparable

GPT-5.4: 56.2 (#23), Qwen3 8B: —

Multilingual benchmarks
BenchmarkGPT-5.4Qwen3 8B
LMArena Non-English1465—
LMArena Chinese1519—
LMArena French1493—
LMArena German1472—
LMArena Japanese1485—
LMArena Korean1448—
LMArena Russian1480—
LMArena Spanish1454—

Instruction Following Not comparable

GPT-5.4: 77.1 (#27), Qwen3 8B: —

Instruction Following benchmarks
BenchmarkGPT-5.4Qwen3 8B
LMArena Instruction Following1469—

Long Context GPT-5.4 leads

GPT-5.4: 50.3 (#8), Qwen3 8B: 37.9 (#210)

Long Context benchmarks
BenchmarkGPT-5.4Qwen3 8B
Fiction.LiveBench—62.1%
CL-bench27.9%—
CL-bench Life21.7%—
LMArena Longer Query1473—

Writing & Preference Not comparable

GPT-5.4: 71.9 (#17), Qwen3 8B: —

Writing & Preference benchmarks
BenchmarkGPT-5.4Qwen3 8B
LMArena Text1469—
LMArena Creative Writing1439—
EQ-Bench Creative Writing1840—
EQ-Bench 41272—
LMArena Multi-Turn1482—

Frequently asked questions

Is GPT-5.4 better than Qwen3 8B?

GPT-5.4 is the stronger model overall, scoring 59.4 to 33.7 on the Noometry Index. Qwen3 8B costs 18× less per token, which makes it the better buy when GPT-5.4's lead doesn't matter for your workload.

Which is cheaper, GPT-5.4 or Qwen3 8B?

Qwen3 8B is cheaper. It lists at $0.18 per million input tokens and $0.70 per million output tokens; GPT-5.4 lists at $2.50 and $15.

Is GPT-5.4 or Qwen3 8B better for coding?

GPT-5.4 scores higher on coding benchmarks: 52.6 versus 34.0 in the Noometry coding category.

Which has the bigger context window?

GPT-5.4 does, with 1.05M tokens against 131K.

How many benchmarks do GPT-5.4 and Qwen3 8B share?

9 benchmarks have published results for both models. GPT-5.4 has 68 scored results on Noometry and Qwen3 8B has 11.

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