Model comparison

GPT-5.4 mini vs Olmo 3.1 32b Instruct

GPT-5.4 mini is the stronger model overall, scoring 44.8 to 38.8 on the Noometry Index.

Last verified . 16 shared benchmarks.

GPT-5.4 mini OpenAI

44.8

Rank #69 Confirmed

Summary

  • They share 16 benchmarks with published results for both. GPT-5.4 mini scores higher in 8 categories and Olmo 3.1 32b Instruct in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where GPT-5.4 mini leads 51.4 to 35.4.
  • Olmo 3.1 32b Instruct has downloadable open weights; the other is API-only.

Side by side

GPT-5.4 mini and Olmo 3.1 32b Instruct specifications
GPT-5.4 miniOlmo 3.1 32b Instruct
ProviderOpenAIAllen Institute for AI (Ai2)
Noometry Index44.838.8
Released2026-03-17—
WeightsProprietaryOpen
Context window400K—
Max output128K—
Input $ / M tokens$0.75—
Output $ / M tokens$4.50—
Results tracked4616

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Category by category

Coding GPT-5.4 mini leads

GPT-5.4 mini: 45.0 (#67), Olmo 3.1 32b Instruct: 38.9 (#154)

Coding benchmarks
BenchmarkGPT-5.4 miniOlmo 3.1 32b Instruct
LMArena Coding14381346
FrontierCode27%—
LMArena WebDev1397—
SciCode49.9%—
WeirdML60.3%—
ALE-Bench1,189—

Agentic & Tool Use Not comparable

GPT-5.4 mini: 29.6 (#74), Olmo 3.1 32b Instruct: —

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

Reasoning GPT-5.4 mini leads

GPT-5.4 mini: 30.3 (#77), Olmo 3.1 32b Instruct: 25.4 (#131)

Reasoning benchmarks
BenchmarkGPT-5.4 miniOlmo 3.1 32b Instruct
LMArena Hard Prompts14241322
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 Index148.83—
ForecastBench57—

Math GPT-5.4 mini leads

GPT-5.4 mini: 45.4 (#63), Olmo 3.1 32b Instruct: 33.6 (#169)

Math benchmarks
BenchmarkGPT-5.4 miniOlmo 3.1 32b Instruct
LMArena Math14181305
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: 51.4 (#62), Olmo 3.1 32b Instruct: 35.4 (#175)

Knowledge benchmarks
BenchmarkGPT-5.4 miniOlmo 3.1 32b Instruct
LMArena Expert14341307
GPQA Diamond86.9%—
SimpleQA Verified29.4%—
Vectara Hallucination Rate5.5%—

Multimodal Not comparable

GPT-5.4 mini: 39.0 (#51), Olmo 3.1 32b Instruct: —

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

Multilingual GPT-5.4 mini leads

GPT-5.4 mini: 52.1 (#94), Olmo 3.1 32b Instruct: 42.8 (#185)

Multilingual benchmarks
BenchmarkGPT-5.4 miniOlmo 3.1 32b Instruct
LMArena Non-English14051275
LMArena Chinese14461304
LMArena French14401328
LMArena German14071283
LMArena Korean13691206
LMArena Russian14171268
LMArena Spanish14031337
LMArena Japanese1375—

Instruction Following GPT-5.4 mini leads

GPT-5.4 mini: 74.3 (#99), Olmo 3.1 32b Instruct: 68.8 (#182)

Instruction Following benchmarks
BenchmarkGPT-5.4 miniOlmo 3.1 32b Instruct
LMArena Instruction Following14051298

Long Context GPT-5.4 mini leads

GPT-5.4 mini: 42.9 (#107), Olmo 3.1 32b Instruct: 39.9 (#161)

Long Context benchmarks
BenchmarkGPT-5.4 miniOlmo 3.1 32b Instruct
LMArena Longer Query14071312

Writing & Preference GPT-5.4 mini leads

GPT-5.4 mini: 64.2 (#56), Olmo 3.1 32b Instruct: 50.4 (#179)

Writing & Preference benchmarks
BenchmarkGPT-5.4 miniOlmo 3.1 32b Instruct
LMArena Text14111311
LMArena Creative Writing13701264
LMArena Multi-Turn14291309
EQ-Bench Creative Writing1665—

Frequently asked questions

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

GPT-5.4 mini is the stronger model overall, scoring 44.8 to 38.8 on the Noometry Index.

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

GPT-5.4 mini scores higher on coding benchmarks: 45.0 versus 38.9 in the Noometry coding category.

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

16 benchmarks have published results for both models. GPT-5.4 mini has 46 scored results on Noometry and Olmo 3.1 32b Instruct has 16.

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