Noometry

Model comparison

Gemini 3.1 Flash Lite vs Sonar

Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.8 to 38.5 on the Noometry Index.

Last verified . 0 shared benchmarks.

Gemini 3.1 Flash Lite Google

40.8

Rank #144 Confirmed

Sonar Perplexity

38.5

Rank #187 Confirmed

Summary

  • The widest gap is in writing & preference, where Gemini 3.1 Flash Lite leads 60.9 to 52.6.
  • Gemini 3.1 Flash Lite is cheaper at $0.25 / $1.50 per million input/output tokens, against $1 / $1 for Sonar.
  • Gemini 3.1 Flash Lite accepts more context: 1.05M tokens versus 128K.

Side by side

Gemini 3.1 Flash LiteSonar
ProviderGooglePerplexity
Noometry Index40.838.5
Released2026-03-032024-01-01
WeightsProprietaryProprietary
Context window1.05M128K
Max output66K4K
Input $ / M tokens$0.25$1
Output $ / M tokens$1.50$1
Results tracked387

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Category by category

Coding Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 37.8 (#188), Sonar: 35.7 (#221)

BenchmarkGemini 3.1 Flash LiteSonar
LMArena WebDev1256—
SciCode41.9%—
WeirdML52.2%—
LiveBench Coding—35.1%
LMArena Coding1400—
ALE-Bench797.73—

Agentic & Tool Use Not comparable

Gemini 3.1 Flash Lite: 30.2 (#79), Sonar: —

BenchmarkGemini 3.1 Flash LiteSonar
DeepResearch Bench37.3%—

Reasoning Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 22.9 (#186), Sonar: 21.1 (#227)

BenchmarkGemini 3.1 Flash LiteSonar
Kagi LLM Benchmark67.2%—
NYT Connections (extended)8.2%—
CritPt1.1%—
Chess Puzzles25%—
EnigmaEval3%—
Thematic Generalization63.3%—
LiveBench Reasoning—46.3%
LMArena Hard Prompts1407—
DTBench76.8%—
LiveBench Data Analysis—37.9%
LMCA35%—
Epoch Capabilities Index144.47—
ForecastBench54.4—
LiveBench—46.9%

Math Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 40.7 (#90), Sonar: 33.7 (#200)

BenchmarkGemini 3.1 Flash LiteSonar
FrontierMath (Tiers 1-3)27.7%—
OTIS Mock AIME 2024-202580%—
LiveBench Math—41.6%
LMArena Math1428—

Knowledge Not comparable

Gemini 3.1 Flash Lite: 41.9 (#104), Sonar: —

BenchmarkGemini 3.1 Flash LiteSonar
GPQA Diamond81.8%—
Humanity's Last Exam8.6%—
Vectara Hallucination Rate8.2%—
LMArena Expert1398—

Multimodal Not comparable

Gemini 3.1 Flash Lite: 39.4 (#60), Sonar: —

BenchmarkGemini 3.1 Flash LiteSonar
LMArena Vision1240—

Multilingual Not comparable

Gemini 3.1 Flash Lite: 52.3 (#86), Sonar: —

BenchmarkGemini 3.1 Flash LiteSonar
LMArena Non-English1411—
LMArena Chinese1461—
LMArena French1424—
LMArena German1429—
LMArena Japanese1413—
LMArena Korean1392—
LMArena Russian1420—
LMArena Spanish1421—

Instruction Following Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 72.7 (#131), Sonar: 71.4 (#150)

BenchmarkGemini 3.1 Flash LiteSonar
LiveBench Instruction Following—76.2%
LMArena Instruction Following1377—

Long Context Not comparable

Gemini 3.1 Flash Lite: 42.5 (#122), Sonar: —

BenchmarkGemini 3.1 Flash LiteSonar
LMArena Longer Query1394—

Writing & Preference Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 60.9 (#94), Sonar: 52.6 (#167)

BenchmarkGemini 3.1 Flash LiteSonar
LMArena Text1416—
LMArena Creative Writing1401—
LMArena Multi-Turn1417—
LiveBench Language—44.1%

Frequently asked questions

Is Gemini 3.1 Flash Lite better than Sonar?

Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.8 to 38.5 on the Noometry Index.

Which is cheaper, Gemini 3.1 Flash Lite or Sonar?

Gemini 3.1 Flash Lite is cheaper. It lists at $0.25 per million input tokens and $1.50 per million output tokens; Sonar lists at $1 and $1.

Is Gemini 3.1 Flash Lite or Sonar better for coding?

Gemini 3.1 Flash Lite scores higher on coding benchmarks: 37.8 versus 35.7 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.1 Flash Lite does, with 1.05M tokens against 128K.

How many benchmarks do Gemini 3.1 Flash Lite and Sonar share?

0 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and Sonar has 7.

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