Model comparison

GPT-5.4 mini vs Olmo 3.1 32b Think

GPT-5.4 mini is the stronger model overall, scoring 45.0 to 37.9 on the Noometry Index.

Last verified . 15 shared benchmarks.

GPT-5.4 mini OpenAI

45.0

Rank #76 Confirmed

Summary

  • They share 15 benchmarks with published results for both. GPT-5.4 mini scores higher in 8 categories and Olmo 3.1 32b Think in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where GPT-5.4 mini leads 64.0 to 46.2.
  • Olmo 3.1 32b Think has downloadable open weights; the other is API-only.

Side by side

GPT-5.4 mini and Olmo 3.1 32b Think specifications
GPT-5.4 miniOlmo 3.1 32b Think
ProviderOpenAIAllen Institute for AI (Ai2)
Noometry Index45.037.9
Released2026-03-17—
WeightsProprietaryOpen
Context window400K—
Max output128K—
Input $ / M tokens$0.75—
Output $ / M tokens$4.50—
Results tracked4615

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Category by category

Coding GPT-5.4 mini leads

GPT-5.4 mini: 45.2 (#72), Olmo 3.1 32b Think: 37.7 (#189)

Coding benchmarks
BenchmarkGPT-5.4 miniOlmo 3.1 32b Think
LMArena Coding14381291
FrontierCode27%—
LMArena WebDev1397—
SciCode49.9%—
WeirdML60.3%—
ALE-Bench1,189—

Agentic & Tool Use Not comparable

GPT-5.4 mini: 29.9 (#81), Olmo 3.1 32b Think: —

Agentic & Tool Use benchmarks
BenchmarkGPT-5.4 miniOlmo 3.1 32b Think
DeepResearch Bench36.3%—

Reasoning GPT-5.4 mini leads

GPT-5.4 mini: 30.4 (#85), Olmo 3.1 32b Think: 25.2 (#150)

Reasoning benchmarks
BenchmarkGPT-5.4 miniOlmo 3.1 32b Think
LMArena Hard Prompts14241272
ARC-AGI-218.9%—
Kagi LLM Benchmark37.9%—
NYT Connections (extended)61.8%—
ARC-AGI-163.7%—
CritPt10%—
Chess Puzzles24%—
Thematic Generalization61.7%—
Mystery Game Puzzles11%—
DTBench80%—
LMCA40.8%—
Epoch Capabilities Index148.84—
ForecastBench57—

Math GPT-5.4 mini leads

GPT-5.4 mini: 45.5 (#75), Olmo 3.1 32b Think: 36.3 (#168)

Math benchmarks
BenchmarkGPT-5.4 miniOlmo 3.1 32b Think
LMArena Math14191305
FrontierMath (Tiers 1-3)51.2%—
FrontierMath Tier 49.8%—
OTIS Mock AIME 2024-202588.9%—
ProofBench21%—
FrontierMath (Feb 2025 set)28.3%—
FrontierMath Tier 4 (v1)2.1%—

Knowledge GPT-5.4 mini leads

GPT-5.4 mini: 51.5 (#67), Olmo 3.1 32b Think: 35.7 (#181)

Knowledge benchmarks
BenchmarkGPT-5.4 miniOlmo 3.1 32b Think
LMArena Expert14351295
GPQA Diamond86.9%—
SimpleQA Verified29.4%—
Vectara Hallucination Rate5.5%—

Multimodal Not comparable

GPT-5.4 mini: 39.7 (#56), Olmo 3.1 32b Think: —

Multimodal benchmarks
BenchmarkGPT-5.4 miniOlmo 3.1 32b Think
LMArena Vision1245—

Multilingual GPT-5.4 mini leads

GPT-5.4 mini: 51.9 (#96), Olmo 3.1 32b Think: 38.1 (#231)

Multilingual benchmarks
BenchmarkGPT-5.4 miniOlmo 3.1 32b Think
LMArena Non-English14051209
LMArena Chinese14461242
LMArena French14401260
LMArena German14091262
LMArena Russian14171193
LMArena Spanish14051289
LMArena Japanese1374—
LMArena Korean1368—

Instruction Following GPT-5.4 mini leads

GPT-5.4 mini: 74.1 (#102), Olmo 3.1 32b Think: 65.6 (#218)

Instruction Following benchmarks
BenchmarkGPT-5.4 miniOlmo 3.1 32b Think
LMArena Instruction Following14051247

Long Context GPT-5.4 mini leads

GPT-5.4 mini: 43.0 (#112), Olmo 3.1 32b Think: 38.6 (#195)

Long Context benchmarks
BenchmarkGPT-5.4 miniOlmo 3.1 32b Think
LMArena Longer Query14071272

Writing & Preference GPT-5.4 mini leads

GPT-5.4 mini: 64.0 (#58), Olmo 3.1 32b Think: 46.2 (#220)

Writing & Preference benchmarks
BenchmarkGPT-5.4 miniOlmo 3.1 32b Think
LMArena Text14121272
LMArena Creative Writing13701226
LMArena Multi-Turn14291252
EQ-Bench Creative Writing1665—

Frequently asked questions

Is GPT-5.4 mini better than Olmo 3.1 32b Think?

GPT-5.4 mini is the stronger model overall, scoring 45.0 to 37.9 on the Noometry Index.

Is GPT-5.4 mini or Olmo 3.1 32b Think better for coding?

GPT-5.4 mini scores higher on coding benchmarks: 45.2 versus 37.7 in the Noometry coding category.

How many benchmarks do GPT-5.4 mini and Olmo 3.1 32b Think share?

15 benchmarks have published results for both models. GPT-5.4 mini has 46 scored results on Noometry and Olmo 3.1 32b Think has 15.

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