Noometry

Model comparison

Gemini 2.5 Pro vs Inkling

Gemini 2.5 Pro and Inkling score almost the same on the Noometry Index (45.0 vs 44.1), so choose on price, context window or the category you care about most.

Last verified . 35 shared benchmarks.

Gemini 2.5 Pro Google

45.0

Rank #75 Confirmed

Inkling Thinking Machines Lab

44.1

Rank #80 Confirmed

Summary

  • They share 35 benchmarks with published results for both. Gemini 2.5 Pro scores higher in 5 categories and Inkling in 4 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in long context, where Gemini 2.5 Pro leads 59.8 to 43.8.
  • The biggest single-benchmark swing is ARC-AGI-1: 41% for Gemini 2.5 Pro and 79.5% for Inkling.
  • Inkling is cheaper at $1.87 / $4.68 per million input/output tokens, against $1.25 / $10 for Gemini 2.5 Pro.
  • Gemini 2.5 Pro accepts more context: 1.05M tokens versus 66K.
  • Inkling has downloadable open weights; the other is API-only.

Side by side

Gemini 2.5 ProInkling
ProviderGoogleThinking Machines Lab
Noometry Index45.044.1
Released2025-03-252026-07-15
WeightsProprietaryOpen
Context window1.05M66K
Max output66K66K
Input $ / M tokens$1.25$1.87
Output $ / M tokens$10$4.68
Results tracked7841

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Category by category

Coding Gemini 2.5 Pro leads

Gemini 2.5 Pro: 42.4 (#101), Inkling: 34.5 (#234)

BenchmarkGemini 2.5 ProInkling
LMArena WebDev12271413
SciCode42.8%47%
WeirdML54%32.3%
LMArena Coding14521464
ALE-Bench785.52946
SWE-bench Verified57.6%—
FrontierCode—14%
SWE-bench Verified (bash only)53.6%—
Aider Polyglot83.1%—
FrontierSWE—4.1%
GSO3.9%—
LiveBench Coding85.9%—
CadEval64%—
AlgoTune1.51—

Agentic & Tool Use Too close to call

Gemini 2.5 Pro: 29.2 (#88), Inkling: 29.6 (#85)

BenchmarkGemini 2.5 ProInkling
τ²-bench Banking13.7%25%
Terminal-Bench32.6%—
APEX-Agents—33.8%
GDPval23.3%—
Remote Labor Index0.8%—
TheAgentCompany30.3%—
DeepResearch Bench42.8%—
BALROG43.3%—
LMArena Search1142—
METR Time Horizons55.4%—
Vending-Bench 2573.64—

Reasoning Inkling leads

Gemini 2.5 Pro: 28.8 (#99), Inkling: 40.4 (#56)

BenchmarkGemini 2.5 ProInkling
ARC-AGI-24.9%36.5%
SimpleBench62.4%50%
ARC-AGI-141%79.5%
CritPt2%5.4%
Chess Puzzles20%21%
LMArena Hard Prompts14551451
DTBench82.4%87.5%
LMCA34.8%37.6%
Epoch Capabilities Index145.32148.54
Kagi LLM Benchmark70.3%—
EnigmaEval5.6%—
LiveBench Reasoning89.8%—
LiveBench Data Analysis79.9%—
ForecastBench61.3—
LiveBench82.3%—

Math Gemini 2.5 Pro leads

Gemini 2.5 Pro: 32.5 (#213), Inkling: 31.3 (#225)

BenchmarkGemini 2.5 ProInkling
FrontierMath (Tiers 1-3)24.6%33.3%
FrontierMath Tier 40%4.9%
OTIS Mock AIME 2024-202584.7%88.9%
LMArena Math14501479
ProofBench—0%
Omni-MATH41.6%—
LiveBench Math90.2%—
MATH Level 595.9%—
FrontierMath (Feb 2025 set)14.1%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Too close to call

Gemini 2.5 Pro: 56.0 (#46), Inkling: 55.1 (#49)

BenchmarkGemini 2.5 ProInkling
GPQA Diamond85.3%88.3%
LMArena Expert14521465
Humanity's Last Exam21.6%—
SimpleQA Verified—40.3%
MMLU-Pro86.3%—
Confabulations10.6%—
Vectara Hallucination Rate7%—
GPQA (HELM)74.9%—

Multimodal Not comparable

Gemini 2.5 Pro: 45.2 (#18), Inkling: —

BenchmarkGemini 2.5 ProInkling
LMArena Vision1263—
GeoBench86%—
VPCT48%—
LMArena Document1421—
SpatialViz-Bench44.7%—

Multilingual Gemini 2.5 Pro leads

Gemini 2.5 Pro: 55.3 (#31), Inkling: 54.0 (#52)

BenchmarkGemini 2.5 ProInkling
LMArena Non-English14511434
LMArena Chinese15071490
LMArena French14721458
LMArena German14871446
LMArena Japanese14611429
LMArena Korean14341404
LMArena Russian14611429
LMArena Spanish14731448

Instruction Following Too close to call

Gemini 2.5 Pro: 75.0 (#75), Inkling: 75.1 (#71)

BenchmarkGemini 2.5 ProInkling
LMArena Instruction Following14371426
LiveBench Instruction Following80.6%—
IFEval84%—

Long Context Gemini 2.5 Pro leads

Gemini 2.5 Pro: 59.8 (#5), Inkling: 43.8 (#86)

BenchmarkGemini 2.5 ProInkling
LMArena Longer Query14491434
Fiction.LiveBench91.7%—

Writing & Preference Inkling leads

Gemini 2.5 Pro: 63.7 (#62), Inkling: 65.2 (#51)

BenchmarkGemini 2.5 ProInkling
LMArena Text14581441
LMArena Creative Writing14541387
EQ-Bench Creative Writing14211611
LMArena Multi-Turn14531436
Short-Story Creative Writing83.8%—
WildBench85.7%—
EQ-Bench 4—1226
LiveBench Language67.8%—

Frequently asked questions

Is Gemini 2.5 Pro better than Inkling?

Gemini 2.5 Pro and Inkling score almost the same on the Noometry Index (45.0 vs 44.1), so choose on price, context window or the category you care about most.

Which is cheaper, Gemini 2.5 Pro or Inkling?

Inkling is cheaper. It lists at $1.87 per million input tokens and $4.68 per million output tokens; Gemini 2.5 Pro lists at $1.25 and $10.

Is Gemini 2.5 Pro or Inkling better for coding?

Gemini 2.5 Pro scores higher on coding benchmarks: 42.4 versus 34.5 in the Noometry coding category.

Which has the bigger context window?

Gemini 2.5 Pro does, with 1.05M tokens against 66K.

How many benchmarks do Gemini 2.5 Pro and Inkling share?

35 benchmarks have published results for both models. Gemini 2.5 Pro has 78 scored results on Noometry and Inkling has 41.

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