Noometry

Model comparison

Gemini 3.7 Flash vs GPT-6 Astra

GPT-6 Astra is the stronger model overall, scoring 70.8 to 59.8 on the Noometry Index. Gemini 3.7 Flash costs 13× less per token, which makes it the better buy when GPT-6 Astra's lead doesn't matter for your workload.

Last verified . 44 shared benchmarks.

Gemini 3.7 Flash Google

59.8

Rank #14 Confirmed

GPT-6 Astra OpenAI

70.8

Rank #1 Confirmed

Summary

  • They share 44 benchmarks with published results for both. Gemini 3.7 Flash scores higher in 3 categories and GPT-6 Astra in 7 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-6 Astra leads 93.5 to 69.6.
  • The biggest single-benchmark swing is FrontierMath Tier 4: 36.6% for Gemini 3.7 Flash and 97.6% for GPT-6 Astra.
  • Gemini 3.7 Flash is cheaper at $0.75 / $3.75 per million input/output tokens, against $10 / $50 for GPT-6 Astra.
  • GPT-6 Astra accepts more context: 1.05M tokens versus 1.05M.

Side by side

Gemini 3.7 FlashGPT-6 Astra
ProviderGoogleOpenAI
Noometry Index59.870.8
Released2026-08-132026-09-03
WeightsProprietaryProprietary
Context window1.05M1.05M
Max output66K128K
Input $ / M tokens$0.75$10
Output $ / M tokens$3.75$50
Results tracked4456

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Category by category

Coding GPT-6 Astra leads

Gemini 3.7 Flash: 56.2 (#22), GPT-6 Astra: 73.7 (#2)

BenchmarkGemini 3.7 FlashGPT-6 Astra
DeepSWE65.5%74.1%
FrontierCode43.6%53.3%
LMArena WebDev15921786
FrontierSWE20.3%65.5%
SciCode59.8%56.5%
LMArena Coding14971487
ALE-Bench904.32,951
GSO—79.4%
WeirdML—93.6%
MirrorCode—46.7%

Agentic & Tool Use GPT-6 Astra leads

Gemini 3.7 Flash: 42.1 (#19), GPT-6 Astra: 52.9 (#3)

BenchmarkGemini 3.7 FlashGPT-6 Astra
APEX-Agents67.8%64.7%
Remote Labor Index5%20.8%
GDP.pdf23.8%34.2%
BALROG—68.3%
Vending-Bench 2—15,515

Reasoning GPT-6 Astra leads

Gemini 3.7 Flash: 70.0 (#15), GPT-6 Astra: 85.1 (#1)

BenchmarkGemini 3.7 FlashGPT-6 Astra
ARC-AGI-284.6%95%
NYT Connections (extended)94%98.1%
ARC-AGI-195.5%98.5%
CritPt14.3%31.7%
Chess Puzzles47%72%
LMArena Hard Prompts14941462
Mystery Game Puzzles37%84%
DTBench96.8%97.3%
LMCA50.4%64.4%
Epoch Capabilities Index157.27166.45
EBR-Bench—76.2%
Bench to the Future 3—0.14

Math GPT-6 Astra leads

Gemini 3.7 Flash: 69.6 (#23), GPT-6 Astra: 93.5 (#2)

BenchmarkGemini 3.7 FlashGPT-6 Astra
FrontierMath (Tiers 1-3)71.6%93.7%
FrontierMath Tier 436.6%97.6%
OTIS Mock AIME 2024-202597.2%100%
ProofBench58%99%
LMArena Math15071465
FrontierMath Erdős—2.9%

Knowledge GPT-6 Astra leads

Gemini 3.7 Flash: 69.7 (#5), GPT-6 Astra: 75.3 (#1)

BenchmarkGemini 3.7 FlashGPT-6 Astra
GPQA Diamond94.8%95.8%
SimpleQA Verified69.2%75.6%
LMArena Expert15081483
Humanity's Last Exam—54.8%
Vectara Hallucination Rate—8.7%

Multimodal GPT-6 Astra leads

Gemini 3.7 Flash: 37.3 (#73), GPT-6 Astra: 55.0 (#3)

BenchmarkGemini 3.7 FlashGPT-6 Astra
LMArena Vision13161281
Furniture Assembly26.7%80%
Blueprint-Bench 2—49.7%
LMArena Document—1468

Multilingual Gemini 3.7 Flash leads

Gemini 3.7 Flash: 57.6 (#7), GPT-6 Astra: 53.7 (#61)

BenchmarkGemini 3.7 FlashGPT-6 Astra
LMArena Non-English14841430
LMArena Chinese15481484
LMArena French15051456
LMArena German14981440
LMArena Japanese15121379
LMArena Korean14831426
LMArena Russian15161436
LMArena Spanish15031407

Instruction Following Gemini 3.7 Flash leads

Gemini 3.7 Flash: 77.7 (#15), GPT-6 Astra: 76.3 (#44)

BenchmarkGemini 3.7 FlashGPT-6 Astra
LMArena Instruction Following14831450

Long Context Gemini 3.7 Flash leads

Gemini 3.7 Flash: 45.7 (#30), GPT-6 Astra: 44.5 (#62)

BenchmarkGemini 3.7 FlashGPT-6 Astra
LMArena Longer Query14921456

Writing & Preference GPT-6 Astra leads

Gemini 3.7 Flash: 71.2 (#20), GPT-6 Astra: 75.3 (#7)

BenchmarkGemini 3.7 FlashGPT-6 Astra
LMArena Text14861441
LMArena Creative Writing14901418
EQ-Bench Creative Writing17232173
LMArena Multi-Turn14891448

Frequently asked questions

Is Gemini 3.7 Flash better than GPT-6 Astra?

GPT-6 Astra is the stronger model overall, scoring 70.8 to 59.8 on the Noometry Index. Gemini 3.7 Flash costs 13× less per token, which makes it the better buy when GPT-6 Astra's lead doesn't matter for your workload.

Which is cheaper, Gemini 3.7 Flash or GPT-6 Astra?

Gemini 3.7 Flash is cheaper. It lists at $0.75 per million input tokens and $3.75 per million output tokens; GPT-6 Astra lists at $10 and $50.

Is Gemini 3.7 Flash or GPT-6 Astra better for coding?

GPT-6 Astra scores higher on coding benchmarks: 73.7 versus 56.2 in the Noometry coding category.

Which has the bigger context window?

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

How many benchmarks do Gemini 3.7 Flash and GPT-6 Astra share?

44 benchmarks have published results for both models. Gemini 3.7 Flash has 44 scored results on Noometry and GPT-6 Astra has 56.

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