Model comparison

Gemini 3.1 Pro Preview vs Nova 2.0 Pro Preview

Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 33.4 on the Noometry Index.

Last verified . 3 shared benchmarks.

Gemini 3.1 Pro Preview Google

56.7

Rank #23 Confirmed

Nova 2.0 Pro Preview Amazon

33.4

Rank #244 Reported

Summary

  • They share 3 benchmarks with published results for both. Gemini 3.1 Pro Preview scores higher in 3 categories and Nova 2.0 Pro Preview in 0 categories; 3 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3.1 Pro Preview leads 71.7 to 22.4.
  • The biggest single-benchmark swing is CritPt: 17.7% for Gemini 3.1 Pro Preview and 0% for Nova 2.0 Pro Preview.

Side by side

Gemini 3.1 Pro Preview and Nova 2.0 Pro Preview specifications
Gemini 3.1 Pro PreviewNova 2.0 Pro Preview
ProviderGoogleAmazon
Noometry Index56.733.4
Released2026-02-192025-12-02
WeightsProprietaryProprietary
Context window1.05M—
Max output66K—
Input $ / M tokens$2—
Output $ / M tokens$12—
Results tracked713

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Category by category

Coding Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 42.5 (#99), Nova 2.0 Pro Preview: 40.8 (#133)

Coding benchmarks
BenchmarkGemini 3.1 Pro PreviewNova 2.0 Pro Preview
SciCode58.9%42.7%
SWE-bench Verified75.6%—
DeepSWE11.7%—
LMArena WebDev1447—
GSO22.6%—
WeirdML72.1%—
LMArena Coding1484—
MirrorCode8.9%—
ALE-Bench1,161—
AlgoTune2.02—

Agentic & Tool Use Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 37.7 (#34), Nova 2.0 Pro Preview: 21.9 (#136)

Agentic & Tool Use benchmarks
BenchmarkGemini 3.1 Pro PreviewNova 2.0 Pro Preview
GDP.pdf17%2%
Terminal-Bench80.2%—
APEX-Agents35.3%—
τ²-bench Banking26%—
DeepResearch Bench47.8%—
PostTrainBench22%—
BALROG57%—
ExploitBench26.1%—
GBAEval0.8%—
LMArena Search1211—
METR Time Horizons77%—
Vending-Bench 23,774—

Reasoning Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 71.7 (#12), Nova 2.0 Pro Preview: 22.4 (#194)

Reasoning benchmarks
BenchmarkGemini 3.1 Pro PreviewNova 2.0 Pro Preview
CritPt17.7%0%
ARC-AGI-277.1%—
SimpleBench79.6%—
NYT Connections (extended)97.4%—
ARC-AGI-198%—
Chess Puzzles55%—
EnigmaEval36.8%—
Thematic Generalization79.4%—
EBR-Bench14.3%—
LMArena Hard Prompts1485—
Mystery Game Puzzles34%—
DTBench97.1%—
LMCA53.8%—
Epoch Capabilities Index154.77—
ForecastBench59—

Math Not comparable

Gemini 3.1 Pro Preview: 62.1 (#34), Nova 2.0 Pro Preview: —

Math benchmarks
BenchmarkGemini 3.1 Pro PreviewNova 2.0 Pro Preview
FrontierMath (Tiers 1-3)59.6%—
FrontierMath Tier 426.8%—
MathArena Final-Answer Competitions86.5%—
OTIS Mock AIME 2024-202595.6%—
ProofBench26%—
LMArena Math1485—
FrontierMath (Feb 2025 set)36.9%—
FrontierMath Tier 4 (v1)16.7%—

Knowledge Not comparable

Gemini 3.1 Pro Preview: 71.8 (#3), Nova 2.0 Pro Preview: —

Knowledge benchmarks
BenchmarkGemini 3.1 Pro PreviewNova 2.0 Pro Preview
GPQA Diamond94.4%—
Humanity's Last Exam46.4%—
SimpleQA Verified73.5%—
Vectara Hallucination Rate10.4%—
LMArena Expert1485—

Multimodal Not comparable

Gemini 3.1 Pro Preview: 37.9 (#69), Nova 2.0 Pro Preview: —

Multimodal benchmarks
BenchmarkGemini 3.1 Pro PreviewNova 2.0 Pro Preview
LMArena Vision1296—
Blueprint-Bench 226.5%—
Furniture Assembly26.7%—
LMArena Document1444—

Multilingual Not comparable

Gemini 3.1 Pro Preview: 57.0 (#12), Nova 2.0 Pro Preview: —

Multilingual benchmarks
BenchmarkGemini 3.1 Pro PreviewNova 2.0 Pro Preview
LMArena Non-English1477—
LMArena Chinese1529—
LMArena French1487—
LMArena German1491—
LMArena Japanese1493—
LMArena Korean1455—
LMArena Russian1498—
LMArena Spanish1479—

Instruction Following Not comparable

Gemini 3.1 Pro Preview: 77.0 (#32), Nova 2.0 Pro Preview: —

Instruction Following benchmarks
BenchmarkGemini 3.1 Pro PreviewNova 2.0 Pro Preview
LMArena Instruction Following1466—

Long Context Not comparable

Gemini 3.1 Pro Preview: 47.4 (#18), Nova 2.0 Pro Preview: —

Long Context benchmarks
BenchmarkGemini 3.1 Pro PreviewNova 2.0 Pro Preview
CL-bench20.8%—
CL-bench Life16.9%—
LMArena Longer Query1483—

Writing & Preference Not comparable

Gemini 3.1 Pro Preview: 66.1 (#37), Nova 2.0 Pro Preview: —

Writing & Preference benchmarks
BenchmarkGemini 3.1 Pro PreviewNova 2.0 Pro Preview
LMArena Text1481—
LMArena Creative Writing1482—
EQ-Bench Creative Writing1491—
EQ-Bench 41142—
LMArena Multi-Turn1488—

Frequently asked questions

Is Gemini 3.1 Pro Preview better than Nova 2.0 Pro Preview?

Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 33.4 on the Noometry Index.

Is Gemini 3.1 Pro Preview or Nova 2.0 Pro Preview better for coding?

Gemini 3.1 Pro Preview scores higher on coding benchmarks: 42.5 versus 40.8 in the Noometry coding category.

How many benchmarks do Gemini 3.1 Pro Preview and Nova 2.0 Pro Preview share?

3 benchmarks have published results for both models. Gemini 3.1 Pro Preview has 71 scored results on Noometry and Nova 2.0 Pro Preview has 3.

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