Model comparison

Gemini 1.0 Pro vs GPT-5 Nano

GPT-5 Nano is the stronger model overall, scoring 33.4 to 27.1 on the Noometry Index.

Last verified . 19 shared benchmarks.

Gemini 1.0 Pro Google

27.1

Rank #327 Confirmed

GPT-5 Nano OpenAI

33.4

Rank #234 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Gemini 1.0 Pro scores higher in 1 category and GPT-5 Nano in 7 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5 Nano leads 29.1 to 8.7.
  • The biggest single-benchmark swing is MATH Level 5: 11.2% for Gemini 1.0 Pro and 95.2% for GPT-5 Nano.

Side by side

Gemini 1.0 Pro and GPT-5 Nano specifications
Gemini 1.0 ProGPT-5 Nano
ProviderGoogleOpenAI
Noometry Index27.133.4
Released2023-12-132025-08-07
WeightsProprietaryProprietary
Context window—400K
Max output—128K
Input $ / M tokens—$0.05
Output $ / M tokens—$0.40
Results tracked2448

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Category by category

Coding GPT-5 Nano leads

Gemini 1.0 Pro: 31.6 (#270), GPT-5 Nano: 33.3 (#248)

Coding benchmarks
BenchmarkGemini 1.0 ProGPT-5 Nano
LMArena Coding11081351
SWE-bench Verified (bash only)—34.8%
WeirdML—38.1%
ALE-Bench—718.67
HumanEval+55.5%—
MBPP+61.4%—

Agentic & Tool Use Not comparable

Gemini 1.0 Pro: —, GPT-5 Nano: 25.6 (#99)

Agentic & Tool Use benchmarks
BenchmarkGemini 1.0 ProGPT-5 Nano
Terminal-Bench—21.8%
Berkeley Function Calling Leaderboard—51.5%

Reasoning Too close to call

Gemini 1.0 Pro: 16.4 (#292), GPT-5 Nano: 16.4 (#291)

Reasoning benchmarks
BenchmarkGemini 1.0 ProGPT-5 Nano
LMArena Hard Prompts11091329
DTBench45.9%62.7%
Epoch Capabilities Index116.97139.39
ARC-AGI-2—2.6%
Kagi LLM Benchmark—62.2%
ARC-AGI-1—20.7%
Chess Puzzles—27%
Mystery Game Puzzles—9%
LMCA—7.9%
ForecastBench—59.1

Math GPT-5 Nano leads

Gemini 1.0 Pro: 8.7 (#315), GPT-5 Nano: 29.1 (#221)

Math benchmarks
BenchmarkGemini 1.0 ProGPT-5 Nano
OTIS Mock AIME 2024-20251.1%81.1%
LMArena Math11321318
MATH Level 511.2%95.2%
FrontierMath (Tiers 1-3)—20%
FrontierMath Tier 4—2.4%
ProofBench—12%
Omni-MATH—54.6%
FrontierMath (Feb 2025 set)—8.3%
FrontierMath Tier 4 (v1)—2.1%

Knowledge GPT-5 Nano leads

Gemini 1.0 Pro: 15.5 (#286), GPT-5 Nano: 35.8 (#166)

Knowledge benchmarks
BenchmarkGemini 1.0 ProGPT-5 Nano
GPQA Diamond34%69.4%
LMArena Expert10591321
SimpleQA Verified—11.7%
MMLU-Pro—77.8%
Vectara Hallucination Rate—10.5%
GPQA (HELM)—67.9%
MMLU70%—

Multimodal Not comparable

Gemini 1.0 Pro: —, GPT-5 Nano: 30.7 (#102)

Multimodal benchmarks
BenchmarkGemini 1.0 ProGPT-5 Nano
LMArena Vision—1159
VPCT—37.2%

Multilingual GPT-5 Nano leads

Gemini 1.0 Pro: 33.5 (#247), GPT-5 Nano: 45.5 (#167)

Multilingual benchmarks
BenchmarkGemini 1.0 ProGPT-5 Nano
LMArena Non-English11381313
LMArena Chinese11241355
LMArena German11251329
LMArena Russian11861296
LMArena Spanish11181360
LMArena French1144—
LMArena Japanese1023—
LMArena Korean—1269

Instruction Following GPT-5 Nano leads

Gemini 1.0 Pro: 57.9 (#262), GPT-5 Nano: 75.2 (#72)

Instruction Following benchmarks
BenchmarkGemini 1.0 ProGPT-5 Nano
LMArena Instruction Following11141306
IFEval—93.2%

Long Context Gemini 1.0 Pro leads

Gemini 1.0 Pro: 34.3 (#244), GPT-5 Nano: 31.3 (#275)

Long Context benchmarks
BenchmarkGemini 1.0 ProGPT-5 Nano
LMArena Longer Query11321313
Fiction.LiveBench—44.4%

Writing & Preference GPT-5 Nano leads

Gemini 1.0 Pro: 36.2 (#259), GPT-5 Nano: 39.4 (#244)

Writing & Preference benchmarks
BenchmarkGemini 1.0 ProGPT-5 Nano
LMArena Text11491320
LMArena Creative Writing11301250
LMArena Multi-Turn11391311
EQ-Bench Creative Writing—705
WildBench—80.6%

Frequently asked questions

Is Gemini 1.0 Pro better than GPT-5 Nano?

GPT-5 Nano is the stronger model overall, scoring 33.4 to 27.1 on the Noometry Index.

Is Gemini 1.0 Pro or GPT-5 Nano better for coding?

GPT-5 Nano scores higher on coding benchmarks: 33.3 versus 31.6 in the Noometry coding category.

How many benchmarks do Gemini 1.0 Pro and GPT-5 Nano share?

19 benchmarks have published results for both models. Gemini 1.0 Pro has 24 scored results on Noometry and GPT-5 Nano has 48.

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