Model comparison

Gemini 2.0 Pro vs GPT-5.6 Sol

GPT-5.6 Sol is the stronger model overall, scoring 65.0 to 39.1 on the Noometry Index.

Last verified . 3 shared benchmarks.

Gemini 2.0 Pro Google

39.1

Rank #173 Confirmed

GPT-5.6 Sol OpenAI

65.0

Rank #7 Confirmed

Summary

  • They share 3 benchmarks with published results for both. Gemini 2.0 Pro scores higher in 0 categories and GPT-5.6 Sol in 7 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GPT-5.6 Sol leads 74.8 to 22.3.
  • The biggest single-benchmark swing is EnigmaEval: 0.7% for Gemini 2.0 Pro and 37.1% for GPT-5.6 Sol.

Side by side

Gemini 2.0 Pro and GPT-5.6 Sol specifications
Gemini 2.0 ProGPT-5.6 Sol
ProviderGoogleOpenAI
Noometry Index39.165.0
Released2025-02-052026-07-09
WeightsProprietaryProprietary
Context window—1.05M
Max output—128K
Input $ / M tokens—$4
Output $ / M tokens—$20
Results tracked1465

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Category by category

Coding GPT-5.6 Sol leads

Gemini 2.0 Pro: 37.8 (#187), GPT-5.6 Sol: 65.1 (#7)

Coding benchmarks
BenchmarkGemini 2.0 ProGPT-5.6 Sol
DeepSWE—72.7%
FrontierCode—47.5%
Aider Polyglot35.6%—
CursorBench—41.7%
LMArena WebDev—1618
FrontierSWE—32.2%
SciCode—57.1%
GSO—76.5%
WeirdML—89.4%
LiveBench Coding63.5%—
LMArena Coding—1498
MirrorCode—20%
ALE-Bench—2,177

Agentic & Tool Use Not comparable

Gemini 2.0 Pro: —, GPT-5.6 Sol: 50.3 (#7)

Agentic & Tool Use benchmarks
BenchmarkGemini 2.0 ProGPT-5.6 Sol
APEX-Agents—51.4%
OSWorld 2.0—27.3%
τ²-bench Banking—46.9%
PostTrainBench—36.2%
BALROG—60%
GBAEval—52.6%
GDP.pdf—30.7%
LMArena Search—1257
Vending-Bench 2—9,619

Reasoning GPT-5.6 Sol leads

Gemini 2.0 Pro: 22.3 (#198), GPT-5.6 Sol: 74.8 (#8)

Reasoning benchmarks
BenchmarkGemini 2.0 ProGPT-5.6 Sol
EnigmaEval0.7%37.1%
Epoch Capabilities Index135.06161.66
ARC-AGI-2—92.5%
SimpleBench—71.7%
Kagi LLM Benchmark—67%
NYT Connections (extended)—93.8%
ARC-AGI-1—97.5%
CritPt—32.3%
Chess Puzzles—64%
EBR-Bench—44.8%
LiveBench Reasoning60.1%—
LMArena Hard Prompts—1484
Mystery Game Puzzles—58%
DTBench—96%
LiveBench Data Analysis68%—
LMCA—59.2%
Surface Evolver Bench—93.1%
Bench to the Future 3—0.14
LiveBench65.1%—

Math GPT-5.6 Sol leads

Gemini 2.0 Pro: 39.7 (#100), GPT-5.6 Sol: 85.6 (#9)

Math benchmarks
BenchmarkGemini 2.0 ProGPT-5.6 Sol
FrontierMath (Tiers 1-3)—89.1%
FrontierMath Tier 4—82.9%
OTIS Mock AIME 2024-2025—100%
ProofBench—83%
LiveBench Math71%—
LMArena Math—1474
MATH Level 583.5%—
FrontierMath Erdős—0%

Knowledge GPT-5.6 Sol leads

Gemini 2.0 Pro: 36.5 (#167), GPT-5.6 Sol: 64.3 (#18)

Knowledge benchmarks
BenchmarkGemini 2.0 ProGPT-5.6 Sol
GPQA Diamond65.7%93.5%
SimpleQA Verified—69.7%
Confabulations18.4%—
Vectara Hallucination Rate—12.4%
LMArena Expert—1516

Multimodal Not comparable

Gemini 2.0 Pro: —, GPT-5.6 Sol: 48.6 (#9)

Multimodal benchmarks
BenchmarkGemini 2.0 ProGPT-5.6 Sol
LMArena Vision—1281
Blueprint-Bench 2—33.6%
Furniture Assembly—56.7%
LMArena Document—1483

Multilingual Not comparable

Gemini 2.0 Pro: —, GPT-5.6 Sol: 55.3 (#32)

Multilingual benchmarks
BenchmarkGemini 2.0 ProGPT-5.6 Sol
LMArena Non-English—1452
LMArena Chinese—1527
LMArena French—1477
LMArena German—1476
LMArena Japanese—1471
LMArena Korean—1442
LMArena Russian—1468
LMArena Spanish—1441

Instruction Following GPT-5.6 Sol leads

Gemini 2.0 Pro: 75.5 (#59), GPT-5.6 Sol: 77.7 (#16)

Instruction Following benchmarks
BenchmarkGemini 2.0 ProGPT-5.6 Sol
LiveBench Instruction Following83.4%—
LMArena Instruction Following—1482

Long Context GPT-5.6 Sol leads

Gemini 2.0 Pro: 29.2 (#292), GPT-5.6 Sol: 45.4 (#42)

Long Context benchmarks
BenchmarkGemini 2.0 ProGPT-5.6 Sol
Fiction.LiveBench41.7%—
LMArena Longer Query—1480

Writing & Preference GPT-5.6 Sol leads

Gemini 2.0 Pro: 52.7 (#165), GPT-5.6 Sol: 73.3 (#12)

Writing & Preference benchmarks
BenchmarkGemini 2.0 ProGPT-5.6 Sol
LMArena Text—1457
LMArena Creative Writing—1448
EQ-Bench Creative Writing—1972
EQ-Bench 4—1250
LMArena Multi-Turn—1460
LiveBench Language44.9%—

Frequently asked questions

Is Gemini 2.0 Pro better than GPT-5.6 Sol?

GPT-5.6 Sol is the stronger model overall, scoring 65.0 to 39.1 on the Noometry Index.

Is Gemini 2.0 Pro or GPT-5.6 Sol better for coding?

GPT-5.6 Sol scores higher on coding benchmarks: 65.1 versus 37.8 in the Noometry coding category.

How many benchmarks do Gemini 2.0 Pro and GPT-5.6 Sol share?

3 benchmarks have published results for both models. Gemini 2.0 Pro has 14 scored results on Noometry and GPT-5.6 Sol has 65.

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