Noometry

Model comparison

Gemini 3.8 Flash vs Mercury

Gemini 3.8 Flash is the stronger model overall, scoring 61.8 to 37.6 on the Noometry Index.

Last verified . 8 shared benchmarks.

Gemini 3.8 Flash Google

61.8

Rank #11 Confirmed

Mercury Inception

37.6

Rank #199 Confirmed

Summary

  • They share 8 benchmarks with published results for both. Gemini 3.8 Flash scores higher in 6 categories and Mercury in 0 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3.8 Flash leads 76.9 to 17.5.

Side by side

Gemini 3.8 FlashMercury
ProviderGoogleInception
Noometry Index61.837.6
Released2026-09-02—
WeightsProprietaryProprietary
Context window1.05M—
Max output66K—
Input $ / M tokens$0.75—
Output $ / M tokens$3.75—
Results tracked509

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Category by category

Coding Gemini 3.8 Flash leads

Gemini 3.8 Flash: 59.2 (#15), Mercury: 38.7 (#170)

BenchmarkGemini 3.8 FlashMercury
LMArena Coding15101322
DeepSWE73.8%—
FrontierCode41.2%—
CursorBench39.6%—
LMArena WebDev1584—
FrontierSWE19.6%—
SciCode56.6%—
WeirdML84.8%—
ALE-Bench1,270—

Agentic & Tool Use Not comparable

Gemini 3.8 Flash: 41.8 (#21), Mercury: —

BenchmarkGemini 3.8 FlashMercury
APEX-Agents64.3%—
Remote Labor Index5.8%—
GDP.pdf23.4%—
Vending-Bench 25,094—

Reasoning Gemini 3.8 Flash leads

Gemini 3.8 Flash: 76.9 (#5), Mercury: 17.5 (#293)

BenchmarkGemini 3.8 FlashMercury
LMArena Hard Prompts15081285
ARC-AGI-289.2%—
Kagi LLM Benchmark—21.6%
NYT Connections (extended)97.4%—
ARC-AGI-198.5%—
CritPt18.3%—
Chess Puzzles61%—
Mystery Game Puzzles47%—
DTBench95.7%—
LMCA52.9%—
Surface Evolver Bench76.9%—
Epoch Capabilities Index156.71—

Math Not comparable

Gemini 3.8 Flash: 65.3 (#28), Mercury: —

BenchmarkGemini 3.8 FlashMercury
FrontierMath (Tiers 1-3)68.4%—
FrontierMath Tier 422%—
OTIS Mock AIME 2024-202598.9%—
ProofBench48%—
LMArena Math1528—

Knowledge Not comparable

Gemini 3.8 Flash: 74.8 (#2), Mercury: —

BenchmarkGemini 3.8 FlashMercury
GPQA Diamond95.4%—
Humanity's Last Exam44.5%—
SimpleQA Verified69.7%—
LMArena Expert1524—

Multimodal Not comparable

Gemini 3.8 Flash: 40.7 (#45), Mercury: —

BenchmarkGemini 3.8 FlashMercury
LMArena Vision1314—
Blueprint-Bench 238.6%—
Furniture Assembly31.7%—

Multilingual Gemini 3.8 Flash leads

Gemini 3.8 Flash: 58.0 (#5), Mercury: 41.6 (#206)

BenchmarkGemini 3.8 FlashMercury
LMArena Non-English14911260
LMArena Chinese1554—
LMArena French1498—
LMArena German1493—
LMArena Japanese1502—
LMArena Korean1459—
LMArena Russian1515—
LMArena Spanish1485—

Instruction Following Gemini 3.8 Flash leads

Gemini 3.8 Flash: 78.0 (#13), Mercury: 65.2 (#224)

BenchmarkGemini 3.8 FlashMercury
LMArena Instruction Following14901239

Long Context Gemini 3.8 Flash leads

Gemini 3.8 Flash: 46.3 (#24), Mercury: 38.4 (#198)

BenchmarkGemini 3.8 FlashMercury
LMArena Longer Query15081266

Writing & Preference Gemini 3.8 Flash leads

Gemini 3.8 Flash: 72.2 (#15), Mercury: 46.2 (#221)

BenchmarkGemini 3.8 FlashMercury
LMArena Text14991282
LMArena Creative Writing14921191
LMArena Multi-Turn15011282
EQ-Bench Creative Writing1748—

Frequently asked questions

Is Gemini 3.8 Flash better than Mercury?

Gemini 3.8 Flash is the stronger model overall, scoring 61.8 to 37.6 on the Noometry Index.

Is Gemini 3.8 Flash or Mercury better for coding?

Gemini 3.8 Flash scores higher on coding benchmarks: 59.2 versus 38.7 in the Noometry coding category.

How many benchmarks do Gemini 3.8 Flash and Mercury share?

8 benchmarks have published results for both models. Gemini 3.8 Flash has 50 scored results on Noometry and Mercury has 9.

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