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Inkling Small Thinking

thinkingmachines/Inkling-Small:thinking
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Inkling Small Thinking

thinkingmachines/Inkling-Small:thinking
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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

Avg output tokens (7d)

674 tokens

56%

Input Price (Auto)

$0.45/1M

Output Price (Auto)

$1.20/1M

Cache Read (Auto)

$0.100/1M

Capabilities

Benchmarks

Performance metrics and benchmarks

Sourced from Artificial Analysis.

Intelligence Index

27.8

Better than 80% of models compared

Coding Index

52.9

Better than 64% of models compared

Agentic work

AutomationBench-AA

Workflow automation with guardrail penalties

4.8%

Better than 27% of models compared

AA-Briefcase

Agentic knowledge work (Elo)

912 Elo

Better than 42% of models compared

Document reasoning

GDP.pdf

Professional PDF reasoning: all-pass rate

11.2%

Better than 44% of models compared

AA-LCR v1.1

Long context reasoning with updated grading

75.7%

Better than 75% of models compared

Reasoning

HLE

Humanity's Last Exam

33.3%

Better than 81% of models compared

CritPt

Research-level physics reasoning

8.3%

Coding

Terminal-Bench v4.0

Practical coding and terminal tasks

1.0%

Better than 42% of models compared

SciCode

Python programming for scientific computing

49.7%

Better than 52% 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%

Legacy benchmarks

GPQA Diamond (legacy)

Graduate-level scientific reasoning

89.5%

Better than 88% of models compared

AA-LCR (unversioned / legacy)

Long context reasoning evaluation

75.7%

Better than 75% of models compared

Last updated Sep 29, 2026

Artificial Analysis

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