Noometry

Model comparison

Gemini 3.7 Flash vs Mercury 2.5

Gemini 3.7 Flash is the stronger model overall, scoring 59.8 to 33.5 on the Noometry Index. Mercury 2.5 costs 22× less per token, which makes it the better buy when Gemini 3.7 Flash's lead doesn't matter for your workload.

Last verified . 4 shared benchmarks.

Gemini 3.7 Flash Google

59.8

Rank #14 Confirmed

Mercury 2.5 Inception

33.5

Rank #242 Reported

Summary

  • They share 4 benchmarks with published results for both. Gemini 3.7 Flash scores higher in 3 categories and Mercury 2.5 in 0 categories; 3 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3.7 Flash leads 70.0 to 22.4.
  • The biggest single-benchmark swing is ProofBench: 58% for Gemini 3.7 Flash and 3% for Mercury 2.5.
  • Mercury 2.5 is cheaper at $0.04 / $0.15 per million input/output tokens, against $0.75 / $3.75 for Gemini 3.7 Flash.
  • Gemini 3.7 Flash accepts more context: 1.05M tokens versus 260K.

Side by side

Gemini 3.7 FlashMercury 2.5
ProviderGoogleInception
Noometry Index59.833.5
Released2026-08-132026-09-08
WeightsProprietaryProprietary
Context window1.05M260K
Max output66K66K
Input $ / M tokens$0.75$0.04
Output $ / M tokens$3.75$0.15
Results tracked444

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Category by category

Coding Gemini 3.7 Flash leads

Gemini 3.7 Flash: 56.2 (#22), Mercury 2.5: 39.5 (#156)

BenchmarkGemini 3.7 FlashMercury 2.5
SciCode59.8%38.5%
ALE-Bench904.3301.65
DeepSWE65.5%—
FrontierCode43.6%—
LMArena WebDev1592—
FrontierSWE20.3%—
LMArena Coding1497—

Agentic & Tool Use Not comparable

Gemini 3.7 Flash: 42.1 (#19), Mercury 2.5: —

BenchmarkGemini 3.7 FlashMercury 2.5
APEX-Agents67.8%—
Remote Labor Index5%—
GDP.pdf23.8%—

Reasoning Gemini 3.7 Flash leads

Gemini 3.7 Flash: 70.0 (#15), Mercury 2.5: 22.4 (#193)

BenchmarkGemini 3.7 FlashMercury 2.5
CritPt14.3%0%
ARC-AGI-284.6%—
NYT Connections (extended)94%—
ARC-AGI-195.5%—
Chess Puzzles47%—
LMArena Hard Prompts1494—
Mystery Game Puzzles37%—
DTBench96.8%—
LMCA50.4%—
Epoch Capabilities Index157.27—

Math Gemini 3.7 Flash leads

Gemini 3.7 Flash: 69.6 (#23), Mercury 2.5: 23.3 (#272)

BenchmarkGemini 3.7 FlashMercury 2.5
ProofBench58%3%
FrontierMath (Tiers 1-3)71.6%—
FrontierMath Tier 436.6%—
OTIS Mock AIME 2024-202597.2%—
LMArena Math1507—

Knowledge Not comparable

Gemini 3.7 Flash: 69.7 (#5), Mercury 2.5: —

BenchmarkGemini 3.7 FlashMercury 2.5
GPQA Diamond94.8%—
SimpleQA Verified69.2%—
LMArena Expert1508—

Multimodal Not comparable

Gemini 3.7 Flash: 37.3 (#73), Mercury 2.5: —

BenchmarkGemini 3.7 FlashMercury 2.5
LMArena Vision1316—
Furniture Assembly26.7%—

Multilingual Not comparable

Gemini 3.7 Flash: 57.6 (#7), Mercury 2.5: —

BenchmarkGemini 3.7 FlashMercury 2.5
LMArena Non-English1484—
LMArena Chinese1548—
LMArena French1505—
LMArena German1498—
LMArena Japanese1512—
LMArena Korean1483—
LMArena Russian1516—
LMArena Spanish1503—

Instruction Following Not comparable

Gemini 3.7 Flash: 77.7 (#15), Mercury 2.5: —

BenchmarkGemini 3.7 FlashMercury 2.5
LMArena Instruction Following1483—

Long Context Not comparable

Gemini 3.7 Flash: 45.7 (#30), Mercury 2.5: —

BenchmarkGemini 3.7 FlashMercury 2.5
LMArena Longer Query1492—

Writing & Preference Not comparable

Gemini 3.7 Flash: 71.2 (#20), Mercury 2.5: —

BenchmarkGemini 3.7 FlashMercury 2.5
LMArena Text1486—
LMArena Creative Writing1490—
EQ-Bench Creative Writing1723—
LMArena Multi-Turn1489—

Frequently asked questions

Is Gemini 3.7 Flash better than Mercury 2.5?

Gemini 3.7 Flash is the stronger model overall, scoring 59.8 to 33.5 on the Noometry Index. Mercury 2.5 costs 22× less per token, which makes it the better buy when Gemini 3.7 Flash's lead doesn't matter for your workload.

Which is cheaper, Gemini 3.7 Flash or Mercury 2.5?

Mercury 2.5 is cheaper. It lists at $0.04 per million input tokens and $0.15 per million output tokens; Gemini 3.7 Flash lists at $0.75 and $3.75.

Is Gemini 3.7 Flash or Mercury 2.5 better for coding?

Gemini 3.7 Flash scores higher on coding benchmarks: 56.2 versus 39.5 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.7 Flash does, with 1.05M tokens against 260K.

How many benchmarks do Gemini 3.7 Flash and Mercury 2.5 share?

4 benchmarks have published results for both models. Gemini 3.7 Flash has 44 scored results on Noometry and Mercury 2.5 has 4.

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