Model comparison

Gemini 3 Deep Think vs GPT-5.4 Pro

GPT-5.4 Pro has enough public results to be ranked (#18); Gemini 3 Deep Think does not yet, so treat this comparison as directional.

Last verified . 3 shared benchmarks.

Gemini 3 Deep Think Google

58.3

Unranked Sparse

GPT-5.4 Pro OpenAI

58.9

Rank #18 Confirmed

Summary

  • They share 3 benchmarks with published results for both. Gemini 3 Deep Think scores higher in 0 categories and GPT-5.4 Pro in 1 category, but none of those gaps is larger than the uncertainty.

Side by side

Gemini 3 Deep Think and GPT-5.4 Pro specifications
Gemini 3 Deep ThinkGPT-5.4 Pro
ProviderGoogleOpenAI
Noometry Index58.358.9
Released2026-02-122026-03-05
WeightsProprietaryProprietary
Context window—1.05M
Max output—128K
Input $ / M tokens—$30
Output $ / M tokens—$180
Results tracked316

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Category by category

Coding Not comparable

Gemini 3 Deep Think: —, GPT-5.4 Pro: 43.2 (#90)

Coding benchmarks
BenchmarkGemini 3 Deep ThinkGPT-5.4 Pro
WeirdML—57.4%

Reasoning Too close to call

Gemini 3 Deep Think: 70.2 (#14), GPT-5.4 Pro: 70.7 (#13)

Reasoning benchmarks
BenchmarkGemini 3 Deep ThinkGPT-5.4 Pro
ARC-AGI-284.6%83.3%
ARC-AGI-196%94.5%
CritPt25.7%30%
SimpleBench—74.1%
Chess Puzzles—58.6%
EnigmaEval—23.8%
Epoch Capabilities Index—158.93

Math Not comparable

Gemini 3 Deep Think: —, GPT-5.4 Pro: 72.4 (#22)

Math benchmarks
BenchmarkGemini 3 Deep ThinkGPT-5.4 Pro
FrontierMath (Tiers 1-3)—82.5%
FrontierMath Tier 4—58.5%
FrontierMath (Feb 2025 set)—50%
FrontierMath Tier 4 (v1)—37.5%

Knowledge Not comparable

Gemini 3 Deep Think: —, GPT-5.4 Pro: 68.3 (#7)

Knowledge benchmarks
BenchmarkGemini 3 Deep ThinkGPT-5.4 Pro
GPQA Diamond—94.6%
Humanity's Last Exam—44.3%
SimpleQA Verified—46.3%
Vectara Hallucination Rate—8.3%

Frequently asked questions

Is Gemini 3 Deep Think better than GPT-5.4 Pro?

GPT-5.4 Pro has enough public results to be ranked (#18); Gemini 3 Deep Think does not yet, so treat this comparison as directional.

How many benchmarks do Gemini 3 Deep Think and GPT-5.4 Pro share?

3 benchmarks have published results for both models. Gemini 3 Deep Think has 3 scored results on Noometry and GPT-5.4 Pro has 16.

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