Inkling Small Thinking

thinkingmachines/Inkling-Small:thinking

Inkling Small Thinking

thinkingmachines/Inkling-Small:thinking

The reasoning version of Thinking Machines' 276B-parameter open-weights multimodal Mixture-of-Experts model with 12B active parameters. It reasons over text and images, and is designed for agentic coding, tool use, instruction following, and long workflows with controllable thinking effort.

Added Jul 31, 2026

Model weights

Context Window

524.3K

Max Output

32.8K

Input Price (Auto)

$0.50/1M

Output Price (Auto)

$1.20/1M

Cache Read (Auto)

$0.10/1M

Capabilities

Benchmarks

Performance metrics and benchmarks

Sourced from Artificial Analysis.

Intelligence Index

41.2

Better than 86% of models compared

Coding Index

52.9

Better than 70% of models compared

Agentic Index

31.9

Better than 75% of models compared

Reasoning

GPQA Diamond

Graduate-level scientific reasoning

89.5%

Better than 90% of models compared

HLE

Humanity's Last Exam

33.3%

Better than 88% of models compared

AA-LCR

Long context reasoning evaluation

69.3%

Better than 78% of models compared

GDPval-AA

Economically valuable tasks

38.4%

CritPt

Research-level physics reasoning

8.3%

Coding

SciCode

Python programming for scientific computing

48.7%

Better than 88% of models compared

Knowledge

AA-Omniscience Accuracy

Proportion of correctly answered questions

33.2%

AA-Omniscience Hallucination Rate

Rate of incorrect answers among non-correct responses

63.0%

Last updated Aug 16, 2026

Artificial Analysis

Providers

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