Noometry

Model comparison

GPT-6 Astra vs Olmo 3.1 32b Think

GPT-6 Astra is the stronger model overall, scoring 70.8 to 37.9 on the Noometry Index.

Last verified . 15 shared benchmarks.

GPT-6 Astra OpenAI

70.8

Rank #1 Confirmed

Olmo 3.1 32b Think Allen Institute for AI (Ai2)

37.9

Rank #191 Confirmed

Summary

  • They share 15 benchmarks with published results for both. GPT-6 Astra 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 reasoning, where GPT-6 Astra leads 85.1 to 25.2.
  • Olmo 3.1 32b Think has downloadable open weights; the other is API-only.

Side by side

GPT-6 AstraOlmo 3.1 32b Think
ProviderOpenAIAllen Institute for AI (Ai2)
Noometry Index70.837.9
Released2026-09-03—
WeightsProprietaryOpen
Context window1.05M—
Max output128K—
Input $ / M tokens$10—
Output $ / M tokens$50—
Results tracked5615

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Category by category

Coding GPT-6 Astra leads

GPT-6 Astra: 73.7 (#2), Olmo 3.1 32b Think: 37.7 (#189)

BenchmarkGPT-6 AstraOlmo 3.1 32b Think
LMArena Coding14871291
DeepSWE74.1%—
FrontierCode53.3%—
LMArena WebDev1786—
FrontierSWE65.5%—
SciCode56.5%—
GSO79.4%—
WeirdML93.6%—
MirrorCode46.7%—
ALE-Bench2,951—

Agentic & Tool Use Not comparable

GPT-6 Astra: 52.9 (#3), Olmo 3.1 32b Think: —

BenchmarkGPT-6 AstraOlmo 3.1 32b Think
APEX-Agents64.7%—
Remote Labor Index20.8%—
BALROG68.3%—
GDP.pdf34.2%—
Vending-Bench 215,515—

Reasoning GPT-6 Astra leads

GPT-6 Astra: 85.1 (#1), Olmo 3.1 32b Think: 25.2 (#150)

BenchmarkGPT-6 AstraOlmo 3.1 32b Think
LMArena Hard Prompts14621272
ARC-AGI-295%—
NYT Connections (extended)98.1%—
ARC-AGI-198.5%—
CritPt31.7%—
Chess Puzzles72%—
EBR-Bench76.2%—
Mystery Game Puzzles84%—
DTBench97.3%—
LMCA64.4%—
Bench to the Future 30.14—
Epoch Capabilities Index166.45—

Math GPT-6 Astra leads

GPT-6 Astra: 93.5 (#2), Olmo 3.1 32b Think: 36.3 (#168)

BenchmarkGPT-6 AstraOlmo 3.1 32b Think
LMArena Math14651305
FrontierMath (Tiers 1-3)93.7%—
FrontierMath Tier 497.6%—
OTIS Mock AIME 2024-2025100%—
ProofBench99%—
FrontierMath Erdős2.9%—

Knowledge GPT-6 Astra leads

GPT-6 Astra: 75.3 (#1), Olmo 3.1 32b Think: 35.7 (#181)

BenchmarkGPT-6 AstraOlmo 3.1 32b Think
LMArena Expert14831295
GPQA Diamond95.8%—
Humanity's Last Exam54.8%—
SimpleQA Verified75.6%—
Vectara Hallucination Rate8.7%—

Multimodal Not comparable

GPT-6 Astra: 55.0 (#3), Olmo 3.1 32b Think: —

BenchmarkGPT-6 AstraOlmo 3.1 32b Think
LMArena Vision1281—
Blueprint-Bench 249.7%—
Furniture Assembly80%—
LMArena Document1468—

Multilingual GPT-6 Astra leads

GPT-6 Astra: 53.7 (#61), Olmo 3.1 32b Think: 38.1 (#231)

BenchmarkGPT-6 AstraOlmo 3.1 32b Think
LMArena Non-English14301209
LMArena Chinese14841242
LMArena French14561260
LMArena German14401262
LMArena Russian14361193
LMArena Spanish14071289
LMArena Japanese1379—
LMArena Korean1426—

Instruction Following GPT-6 Astra leads

GPT-6 Astra: 76.3 (#44), Olmo 3.1 32b Think: 65.6 (#218)

BenchmarkGPT-6 AstraOlmo 3.1 32b Think
LMArena Instruction Following14501247

Long Context GPT-6 Astra leads

GPT-6 Astra: 44.5 (#62), Olmo 3.1 32b Think: 38.6 (#195)

BenchmarkGPT-6 AstraOlmo 3.1 32b Think
LMArena Longer Query14561272

Writing & Preference GPT-6 Astra leads

GPT-6 Astra: 75.3 (#7), Olmo 3.1 32b Think: 46.2 (#220)

BenchmarkGPT-6 AstraOlmo 3.1 32b Think
LMArena Text14411272
LMArena Creative Writing14181226
LMArena Multi-Turn14481252
EQ-Bench Creative Writing2173—

Frequently asked questions

Is GPT-6 Astra better than Olmo 3.1 32b Think?

GPT-6 Astra is the stronger model overall, scoring 70.8 to 37.9 on the Noometry Index.

Is GPT-6 Astra or Olmo 3.1 32b Think better for coding?

GPT-6 Astra scores higher on coding benchmarks: 73.7 versus 37.7 in the Noometry coding category.

How many benchmarks do GPT-6 Astra and Olmo 3.1 32b Think share?

15 benchmarks have published results for both models. GPT-6 Astra has 56 scored results on Noometry and Olmo 3.1 32b Think has 15.

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