Noometry

Model comparison

GPT-6.1 Sol vs Inkling-Small

Inkling-Small has enough public results to be ranked (#57); GPT-6.1 Sol does not yet, so treat this comparison as directional.

Last verified . 0 shared benchmarks.

GPT-6.1 Sol OpenAI

42.1

Unranked Sparse

Inkling-Small Thinking Machines Lab

46.5

Rank #57 Confirmed

Summary

  • The widest gap is in coding, where GPT-6.1 Sol leads 51.4 to 43.3.
  • Inkling-Small is cheaper at $0.45 / $1.20 per million input/output tokens, against $2 / $10 for GPT-6.1 Sol.
  • GPT-6.1 Sol accepts more context: 1.05M tokens versus 524K.
  • Inkling-Small has downloadable open weights; the other is API-only.

Side by side

GPT-6.1 SolInkling-Small
ProviderOpenAIThinking Machines Lab
Noometry Index42.146.5
Released2026-09-292026-07-15
WeightsProprietaryOpen
Context window1.05M524K
Max output128K1.05M
Input $ / M tokens$2$0.45
Output $ / M tokens$10$1.20
Results tracked233

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Category by category

Coding GPT-6.1 Sol leads

GPT-6.1 Sol: 51.4, Inkling-Small: 43.3 (#80)

BenchmarkGPT-6.1 SolInkling-Small
DeepSWE75.2%—
LMArena WebDev—1408
SciCode—48.7%
LMArena Coding—1451

Agentic & Tool Use Not comparable

GPT-6.1 Sol: 34.3, Inkling-Small: —

BenchmarkGPT-6.1 SolInkling-Small
GDP.pdf32%—

Reasoning Not comparable

GPT-6.1 Sol: —, Inkling-Small: 39.0 (#53)

BenchmarkGPT-6.1 SolInkling-Small
ARC-AGI-2—40.1%
ARC-AGI-1—84%
CritPt—8.3%
Chess Puzzles—18%
LMArena Hard Prompts—1424
Mystery Game Puzzles—6%
Epoch Capabilities Index—150.13

Math Not comparable

GPT-6.1 Sol: —, Inkling-Small: 44.9 (#65)

BenchmarkGPT-6.1 SolInkling-Small
FrontierMath (Tiers 1-3)—46.3%
FrontierMath Tier 4—17.1%
OTIS Mock AIME 2024-2025—90%
ProofBench—6%
LMArena Math—1453

Knowledge Not comparable

GPT-6.1 Sol: —, Inkling-Small: 48.3 (#71)

BenchmarkGPT-6.1 SolInkling-Small
GPQA Diamond—88.5%
SimpleQA Verified—19.1%
LMArena Expert—1442

Multimodal Not comparable

GPT-6.1 Sol: —, Inkling-Small: 38.4 (#59)

BenchmarkGPT-6.1 SolInkling-Small
LMArena Vision—1235

Multilingual Not comparable

GPT-6.1 Sol: —, Inkling-Small: 51.7 (#102)

BenchmarkGPT-6.1 SolInkling-Small
LMArena Non-English—1400
LMArena Chinese—1458
LMArena French—1438
LMArena German—1412
LMArena Japanese—1399
LMArena Korean—1355
LMArena Russian—1392
LMArena Spanish—1426

Instruction Following Not comparable

GPT-6.1 Sol: —, Inkling-Small: 73.9 (#112)

BenchmarkGPT-6.1 SolInkling-Small
LMArena Instruction Following—1397

Long Context Not comparable

GPT-6.1 Sol: —, Inkling-Small: 42.7 (#113)

BenchmarkGPT-6.1 SolInkling-Small
LMArena Longer Query—1401

Writing & Preference Not comparable

GPT-6.1 Sol: —, Inkling-Small: 59.8 (#102)

BenchmarkGPT-6.1 SolInkling-Small
LMArena Text—1413
LMArena Creative Writing—1330
EQ-Bench Creative Writing—1491
LMArena Multi-Turn—1420

Frequently asked questions

Is GPT-6.1 Sol better than Inkling-Small?

Inkling-Small has enough public results to be ranked (#57); GPT-6.1 Sol does not yet, so treat this comparison as directional.

Which is cheaper, GPT-6.1 Sol or Inkling-Small?

Inkling-Small is cheaper. It lists at $0.45 per million input tokens and $1.20 per million output tokens; GPT-6.1 Sol lists at $2 and $10.

Is GPT-6.1 Sol or Inkling-Small better for coding?

GPT-6.1 Sol scores higher on coding benchmarks: 51.4 versus 43.3 in the Noometry coding category.

Which has the bigger context window?

GPT-6.1 Sol does, with 1.05M tokens against 524K.

How many benchmarks do GPT-6.1 Sol and Inkling-Small share?

0 benchmarks have published results for both models. GPT-6.1 Sol has 2 scored results on Noometry and Inkling-Small has 33.

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