Model comparison

Gemini 3.1 Flash Lite vs Inkling

Inkling is the stronger model overall, scoring 44.1 to 40.8 on the Noometry Index. Gemini 3.1 Flash Lite costs 4.6× less per token, which makes it the better buy when Inkling's lead doesn't matter for your workload.

Last verified . 29 shared benchmarks.

Gemini 3.1 Flash Lite Google

40.8

Rank #144 Confirmed

Inkling Thinking Machines Lab

44.1

Rank #80 Confirmed

Summary

  • They share 29 benchmarks with published results for both. Gemini 3.1 Flash Lite scores higher in 3 categories and Inkling in 6 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Inkling leads 40.4 to 22.9.
  • The biggest single-benchmark swing is WeirdML: 52.2% for Gemini 3.1 Flash Lite and 32.3% for Inkling.
  • Gemini 3.1 Flash Lite is cheaper at $0.25 / $1.50 per million input/output tokens, against $1.87 / $4.68 for Inkling.
  • Gemini 3.1 Flash Lite accepts more context: 1.05M tokens versus 66K.
  • Inkling has downloadable open weights; the other is API-only.

Side by side

Gemini 3.1 Flash Lite and Inkling specifications
Gemini 3.1 Flash LiteInkling
ProviderGoogleThinking Machines Lab
Noometry Index40.844.1
Released2026-03-032026-07-15
WeightsProprietaryOpen
Context window1.05M66K
Max output66K66K
Input $ / M tokens$0.25$1.87
Output $ / M tokens$1.50$4.68
Results tracked3841

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Category by category

Coding Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 37.8 (#188), Inkling: 34.5 (#234)

Coding benchmarks
BenchmarkGemini 3.1 Flash LiteInkling
LMArena WebDev12561413
SciCode41.9%47%
WeirdML52.2%32.3%
LMArena Coding14001464
ALE-Bench797.73946
FrontierCode—14%
FrontierSWE—4.1%

Agentic & Tool Use Too close to call

Gemini 3.1 Flash Lite: 30.2 (#79), Inkling: 29.6 (#85)

Agentic & Tool Use benchmarks
BenchmarkGemini 3.1 Flash LiteInkling
APEX-Agents—33.8%
τ²-bench Banking—25%
DeepResearch Bench37.3%—

Reasoning Inkling leads

Gemini 3.1 Flash Lite: 22.9 (#186), Inkling: 40.4 (#56)

Reasoning benchmarks
BenchmarkGemini 3.1 Flash LiteInkling
CritPt1.1%5.4%
Chess Puzzles25%21%
LMArena Hard Prompts14071451
DTBench76.8%87.5%
LMCA35%37.6%
Epoch Capabilities Index144.47148.54
ARC-AGI-2—36.5%
SimpleBench—50%
Kagi LLM Benchmark67.2%—
NYT Connections (extended)8.2%—
ARC-AGI-1—79.5%
EnigmaEval3%—
Thematic Generalization63.3%—
ForecastBench54.4—

Math Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 40.7 (#90), Inkling: 31.3 (#225)

Math benchmarks
BenchmarkGemini 3.1 Flash LiteInkling
FrontierMath (Tiers 1-3)27.7%33.3%
OTIS Mock AIME 2024-202580%88.9%
LMArena Math14281479
FrontierMath Tier 4—4.9%
ProofBench—0%

Knowledge Inkling leads

Gemini 3.1 Flash Lite: 41.9 (#104), Inkling: 55.1 (#49)

Knowledge benchmarks
BenchmarkGemini 3.1 Flash LiteInkling
GPQA Diamond81.8%88.3%
LMArena Expert13981465
Humanity's Last Exam8.6%—
SimpleQA Verified—40.3%
Vectara Hallucination Rate8.2%—

Multimodal Not comparable

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

Multimodal benchmarks
BenchmarkGemini 3.1 Flash LiteInkling
LMArena Vision1240—

Multilingual Inkling leads

Gemini 3.1 Flash Lite: 52.3 (#86), Inkling: 54.0 (#52)

Multilingual benchmarks
BenchmarkGemini 3.1 Flash LiteInkling
LMArena Non-English14111434
LMArena Chinese14611490
LMArena French14241458
LMArena German14291446
LMArena Japanese14131429
LMArena Korean13921404
LMArena Russian14201429
LMArena Spanish14211448

Instruction Following Inkling leads

Gemini 3.1 Flash Lite: 72.7 (#131), Inkling: 75.1 (#71)

Instruction Following benchmarks
BenchmarkGemini 3.1 Flash LiteInkling
LMArena Instruction Following13771426

Long Context Inkling leads

Gemini 3.1 Flash Lite: 42.5 (#122), Inkling: 43.8 (#86)

Long Context benchmarks
BenchmarkGemini 3.1 Flash LiteInkling
LMArena Longer Query13941434

Writing & Preference Inkling leads

Gemini 3.1 Flash Lite: 60.9 (#94), Inkling: 65.2 (#51)

Writing & Preference benchmarks
BenchmarkGemini 3.1 Flash LiteInkling
LMArena Text14161441
LMArena Creative Writing14011387
LMArena Multi-Turn14171436
EQ-Bench Creative Writing—1611
EQ-Bench 4—1226

Frequently asked questions

Is Gemini 3.1 Flash Lite better than Inkling?

Inkling is the stronger model overall, scoring 44.1 to 40.8 on the Noometry Index. Gemini 3.1 Flash Lite costs 4.6× less per token, which makes it the better buy when Inkling's lead doesn't matter for your workload.

Which is cheaper, Gemini 3.1 Flash Lite or Inkling?

Gemini 3.1 Flash Lite is cheaper. It lists at $0.25 per million input tokens and $1.50 per million output tokens; Inkling lists at $1.87 and $4.68.

Is Gemini 3.1 Flash Lite or Inkling better for coding?

Gemini 3.1 Flash Lite scores higher on coding benchmarks: 37.8 versus 34.5 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.1 Flash Lite does, with 1.05M tokens against 66K.

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

29 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and Inkling has 41.

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