Noometry

Model comparison

GPT-6 Astra vs o1-pro

GPT-6 Astra is the stronger model overall, scoring 70.3 to 31.2 on the Noometry Index.

Last verified . 2 shared benchmarks.

GPT-6 Astra OpenAI

70.3

Rank #1 Confirmed

o1-pro OpenAI

31.2

Rank #264 Reported

Summary

  • They share 2 benchmarks with published results for both. GPT-6 Astra scores higher in 2 categories and o1-pro in 0 categories; 2 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GPT-6 Astra leads 85.1 to 20.2.
  • The biggest single-benchmark swing is ARC-AGI-1: 98.5% for GPT-6 Astra and 23.3% for o1-pro.
  • GPT-6 Astra is cheaper at $10 / $50 per million input/output tokens, against $150 / $600 for o1-pro.
  • GPT-6 Astra accepts more context: 1.05M tokens versus 200K.

Side by side

GPT-6 Astrao1-pro
ProviderOpenAIOpenAI
Noometry Index70.331.2
Released2026-09-032025-03-19
WeightsProprietaryProprietary
Context window1.05M200K
Max output128K100K
Input $ / M tokens$10$150
Output $ / M tokens$50$600
Results tracked513

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Category by category

Coding Not comparable

GPT-6 Astra: 70.5 (#3), o1-pro: —

BenchmarkGPT-6 Astrao1-pro
DeepSWE74.1%—
FrontierCode53.3%—
LMArena WebDev1792—
FrontierSWE65.5%—
SciCode56.5%—
WeirdML93.6%—
LMArena Coding1488—
MirrorCode46.7%—
ALE-Bench2,951—

Agentic & Tool Use Not comparable

GPT-6 Astra: 52.3 (#3), o1-pro: —

BenchmarkGPT-6 Astrao1-pro
APEX-Agents64.7%—
Remote Labor Index20.8%—
BALROG68.3%—
Vending-Bench 215,515—

Reasoning GPT-6 Astra leads

GPT-6 Astra: 85.1 (#1), o1-pro: 20.2 (#223)

BenchmarkGPT-6 Astrao1-pro
ARC-AGI-198.5%23.3%
ARC-AGI-295%—
NYT Connections (extended)98.1%—
CritPt31.7%—
Chess Puzzles72%—
EnigmaEval—6.1%
EBR-Bench76.2%—
LMArena Hard Prompts1464—
Mystery Game Puzzles84%—
DTBench97.3%—
LMCA64.4%—
Bench to the Future 30.14—
Epoch Capabilities Index166.6—

Math Not comparable

GPT-6 Astra: 93.4 (#1), o1-pro: —

BenchmarkGPT-6 Astrao1-pro
FrontierMath (Tiers 1-3)93.7%—
FrontierMath Tier 497.6%—
OTIS Mock AIME 2024-2025100%—
ProofBench99%—
LMArena Math1463—
FrontierMath Erdős2.9%—

Knowledge GPT-6 Astra leads

GPT-6 Astra: 75.3 (#1), o1-pro: 29.3 (#227)

BenchmarkGPT-6 Astrao1-pro
Humanity's Last Exam54.8%8.1%
GPQA Diamond95.8%—
SimpleQA Verified75.6%—
Vectara Hallucination Rate8.7%—
LMArena Expert1486—

Multimodal Not comparable

GPT-6 Astra: 55.1 (#3), o1-pro: —

BenchmarkGPT-6 Astrao1-pro
LMArena Vision1280—
Blueprint-Bench 249.7%—
Furniture Assembly80%—
LMArena Document1468—

Multilingual Not comparable

GPT-6 Astra: 54.0 (#53), o1-pro: —

BenchmarkGPT-6 Astrao1-pro
LMArena Non-English1431—
LMArena Chinese1495—
LMArena French1467—
LMArena Russian1434—
LMArena Spanish1412—

Instruction Following Not comparable

GPT-6 Astra: 76.6 (#37), o1-pro: —

BenchmarkGPT-6 Astrao1-pro
LMArena Instruction Following1454—

Long Context Not comparable

GPT-6 Astra: 44.7 (#57), o1-pro: —

BenchmarkGPT-6 Astrao1-pro
LMArena Longer Query1460—

Writing & Preference Not comparable

GPT-6 Astra: 75.7 (#7), o1-pro: —

BenchmarkGPT-6 Astrao1-pro
LMArena Text1443—
LMArena Creative Writing1423—
EQ-Bench Creative Writing2173—
LMArena Multi-Turn1457—

Frequently asked questions

Is GPT-6 Astra better than o1-pro?

GPT-6 Astra is the stronger model overall, scoring 70.3 to 31.2 on the Noometry Index.

Which is cheaper, GPT-6 Astra or o1-pro?

GPT-6 Astra is cheaper. It lists at $10 per million input tokens and $50 per million output tokens; o1-pro lists at $150 and $600.

Which has the bigger context window?

GPT-6 Astra does, with 1.05M tokens against 200K.

How many benchmarks do GPT-6 Astra and o1-pro share?

2 benchmarks have published results for both models. GPT-6 Astra has 51 scored results on Noometry and o1-pro has 3.

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