Model comparison

Gemini 3.1 Pro Preview vs Laguna XS.2

Gemini 3.1 Pro Preview has enough public results to be ranked (#20); Laguna XS.2 does not yet, so treat this comparison as directional.

Last verified . 2 shared benchmarks.

Gemini 3.1 Pro Preview Google

56.7

Rank #20 Confirmed

Laguna XS.2 Poolside

32.5

Unranked Sparse

Summary

  • They share 2 benchmarks with published results for both. Gemini 3.1 Pro Preview scores higher in 2 categories and Laguna XS.2 in 0 categories; 2 gaps are clear of the uncertainty.
  • The widest gap is in math, where Gemini 3.1 Pro Preview leads 61.8 to 20.3.
  • The biggest single-benchmark swing is ProofBench: 26% for Gemini 3.1 Pro Preview and 0% for Laguna XS.2.
  • Laguna XS.2 has downloadable open weights; the other is API-only.

Side by side

Gemini 3.1 Pro Preview and Laguna XS.2 specifications
Gemini 3.1 Pro PreviewLaguna XS.2
ProviderGooglePoolside
Noometry Index56.732.5
Released2026-02-192026-04-28
WeightsProprietaryOpen
Context window1.05M—
Max output66K—
Input $ / M tokens$2—
Output $ / M tokens$12—
Results tracked712

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 42.7 (#88), Laguna XS.2: 34.1

Coding benchmarks
BenchmarkGemini 3.1 Pro PreviewLaguna XS.2
LMArena WebDev14461302
SWE-bench Verified75.6%—
DeepSWE11.7%—
SciCode58.9%—
GSO22.6%—
WeirdML72.1%—
LMArena Coding1483—
MirrorCode8.9%—
ALE-Bench1,161—
AlgoTune2.02—

Agentic & Tool Use Not comparable

Gemini 3.1 Pro Preview: 37.7 (#33), Laguna XS.2: —

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

Reasoning Not comparable

Gemini 3.1 Pro Preview: 71.7 (#9), Laguna XS.2: —

Reasoning benchmarks
BenchmarkGemini 3.1 Pro PreviewLaguna XS.2
ARC-AGI-277.1%—
SimpleBench79.6%—
NYT Connections (extended)97.4%—
ARC-AGI-198%—
CritPt17.7%—
Chess Puzzles55%—
EnigmaEval36.8%—
Thematic Generalization79.4%—
EBR-Bench14.3%—
LMArena Hard Prompts1484—
Mystery Game Puzzles34%—
DTBench97.1%—
LMCA53.8%—
Epoch Capabilities Index154.92—
ForecastBench59—

Math Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 61.8 (#28), Laguna XS.2: 20.3

Math benchmarks
BenchmarkGemini 3.1 Pro PreviewLaguna XS.2
ProofBench26%0%
FrontierMath (Tiers 1-3)59.6%—
FrontierMath Tier 426.8%—
MathArena Final-Answer Competitions86.5%—
OTIS Mock AIME 2024-202595.6%—
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), Laguna XS.2: —

Knowledge benchmarks
BenchmarkGemini 3.1 Pro PreviewLaguna XS.2
GPQA Diamond94.4%—
Humanity's Last Exam46.4%—
SimpleQA Verified73.5%—
Vectara Hallucination Rate10.4%—
LMArena Expert1484—

Multimodal Not comparable

Gemini 3.1 Pro Preview: 38.1 (#60), Laguna XS.2: —

Multimodal benchmarks
BenchmarkGemini 3.1 Pro PreviewLaguna XS.2
LMArena Vision1296—
Blueprint-Bench 226.5%—
Furniture Assembly26.7%—
LMArena Document1444—

Multilingual Not comparable

Gemini 3.1 Pro Preview: 57.1 (#11), Laguna XS.2: —

Multilingual benchmarks
BenchmarkGemini 3.1 Pro PreviewLaguna XS.2
LMArena Non-English1475—
LMArena Chinese1528—
LMArena French1488—
LMArena German1491—
LMArena Japanese1494—
LMArena Korean1458—
LMArena Russian1496—
LMArena Spanish1480—

Instruction Following Not comparable

Gemini 3.1 Pro Preview: 77.1 (#31), Laguna XS.2: —

Instruction Following benchmarks
BenchmarkGemini 3.1 Pro PreviewLaguna XS.2
LMArena Instruction Following1465—

Long Context Not comparable

Gemini 3.1 Pro Preview: 47.3 (#17), Laguna XS.2: —

Long Context benchmarks
BenchmarkGemini 3.1 Pro PreviewLaguna XS.2
CL-bench20.8%—
CL-bench Life16.9%—
LMArena Longer Query1482—

Writing & Preference Not comparable

Gemini 3.1 Pro Preview: 66.3 (#36), Laguna XS.2: —

Writing & Preference benchmarks
BenchmarkGemini 3.1 Pro PreviewLaguna XS.2
LMArena Text1480—
LMArena Creative Writing1482—
EQ-Bench Creative Writing1491—
EQ-Bench 41142—
LMArena Multi-Turn1486—

Frequently asked questions

Is Gemini 3.1 Pro Preview better than Laguna XS.2?

Gemini 3.1 Pro Preview has enough public results to be ranked (#20); Laguna XS.2 does not yet, so treat this comparison as directional.

Is Gemini 3.1 Pro Preview or Laguna XS.2 better for coding?

Gemini 3.1 Pro Preview scores higher on coding benchmarks: 42.7 versus 34.1 in the Noometry coding category.

How many benchmarks do Gemini 3.1 Pro Preview and Laguna XS.2 share?

2 benchmarks have published results for both models. Gemini 3.1 Pro Preview has 71 scored results on Noometry and Laguna XS.2 has 2.

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