Noometry

Model comparison

Gemini 3.1 Flash Lite vs Grok 4.7

Grok 4.7 is the stronger model overall, scoring 46.6 to 40.4 on the Noometry Index. Gemini 3.1 Flash Lite costs 5.3× less per token, which makes it the better buy when Grok 4.7's lead doesn't matter for your workload.

Last verified . 16 shared benchmarks.

Gemini 3.1 Flash Lite Google

40.4

Rank #141 Confirmed

Grok 4.7 xAI

46.6

Rank #56 Confirmed

Summary

  • They share 16 benchmarks with published results for both. Gemini 3.1 Flash Lite scores higher in 3 categories and Grok 4.7 in 6 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Grok 4.7 leads 40.1 to 22.3.
  • The biggest single-benchmark swing is NYT Connections (extended): 8.2% for Gemini 3.1 Flash Lite and 76.8% for Grok 4.7.
  • Gemini 3.1 Flash Lite is cheaper at $0.25 / $1.50 per million input/output tokens, against $2 / $6 for Grok 4.7.
  • Gemini 3.1 Flash Lite accepts more context: 1.05M tokens versus 500K.

Side by side

Gemini 3.1 Flash LiteGrok 4.7
ProviderGooglexAI
Noometry Index40.446.6
Released2026-03-032026-09-21
WeightsProprietaryProprietary
Context window1.05M500K
Max output66K500K
Input $ / M tokens$0.25$2
Output $ / M tokens$1.50$6
Results tracked3821

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Category by category

Coding Grok 4.7 leads

Gemini 3.1 Flash Lite: 37.5 (#179), Grok 4.7: 55.0 (#23)

BenchmarkGemini 3.1 Flash LiteGrok 4.7
LMArena WebDev12561636
SciCode41.9%57.4%
LMArena Coding14001423
CursorBench—46.3%
FrontierSWE—29.5%
WeirdML52.2%—
ALE-Bench797.73—

Agentic & Tool Use Not comparable

Gemini 3.1 Flash Lite: 29.9 (#72), Grok 4.7: —

BenchmarkGemini 3.1 Flash LiteGrok 4.7
DeepResearch Bench37.3%—

Reasoning Grok 4.7 leads

Gemini 3.1 Flash Lite: 22.3 (#181), Grok 4.7: 40.1 (#49)

BenchmarkGemini 3.1 Flash LiteGrok 4.7
NYT Connections (extended)8.2%76.8%
CritPt1.1%17.7%
LMArena Hard Prompts14071409
Kagi LLM Benchmark67.2%—
Chess Puzzles25%—
EnigmaEval3%—
Thematic Generalization63.3%—
DTBench76.8%—
LMCA35%—
Epoch Capabilities Index144.45—
ForecastBench54.4—

Math Grok 4.7 leads

Gemini 3.1 Flash Lite: 39.5 (#82), Grok 4.7: 41.1 (#73)

BenchmarkGemini 3.1 Flash LiteGrok 4.7
LMArena Math14271393
FrontierMath (Tiers 1-3)27.7%—
OTIS Mock AIME 2024-202580%—
ProofBench—34%

Knowledge Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 41.7 (#95), Grok 4.7: 38.7 (#130)

BenchmarkGemini 3.1 Flash LiteGrok 4.7
LMArena Expert13971413
GPQA Diamond81.8%—
Humanity's Last Exam8.6%—
Vectara Hallucination Rate8.2%—

Multimodal Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 38.7 (#57), Grok 4.7: 28.8 (#107)

BenchmarkGemini 3.1 Flash LiteGrok 4.7
LMArena Vision1240—
Furniture Assembly—20.8%

Multilingual Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 52.5 (#82), Grok 4.7: 51.2 (#108)

BenchmarkGemini 3.1 Flash LiteGrok 4.7
LMArena Non-English14101392
LMArena Chinese14611476
LMArena Russian14201396
LMArena French1423—
LMArena German1429—
LMArena Japanese1411—
LMArena Korean1393—
LMArena Spanish1420—

Instruction Following Grok 4.7 leads

Gemini 3.1 Flash Lite: 72.9 (#126), Grok 4.7: 74.3 (#98)

BenchmarkGemini 3.1 Flash LiteGrok 4.7
LMArena Instruction Following13761406

Long Context Too close to call

Gemini 3.1 Flash Lite: 42.5 (#117), Grok 4.7: 43.2 (#97)

BenchmarkGemini 3.1 Flash LiteGrok 4.7
LMArena Longer Query13941416

Writing & Preference Grok 4.7 leads

Gemini 3.1 Flash Lite: 61.0 (#90), Grok 4.7: 70.1 (#23)

BenchmarkGemini 3.1 Flash LiteGrok 4.7
LMArena Text14161397
LMArena Creative Writing14011391
LMArena Multi-Turn14171389
EQ-Bench Creative Writing—2007

Frequently asked questions

Is Gemini 3.1 Flash Lite better than Grok 4.7?

Grok 4.7 is the stronger model overall, scoring 46.6 to 40.4 on the Noometry Index. Gemini 3.1 Flash Lite costs 5.3× less per token, which makes it the better buy when Grok 4.7's lead doesn't matter for your workload.

Which is cheaper, Gemini 3.1 Flash Lite or Grok 4.7?

Gemini 3.1 Flash Lite is cheaper. It lists at $0.25 per million input tokens and $1.50 per million output tokens; Grok 4.7 lists at $2 and $6.

Is Gemini 3.1 Flash Lite or Grok 4.7 better for coding?

Grok 4.7 scores higher on coding benchmarks: 55.0 versus 37.5 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.1 Flash Lite does, with 1.05M tokens against 500K.

How many benchmarks do Gemini 3.1 Flash Lite and Grok 4.7 share?

16 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and Grok 4.7 has 21.

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