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Thinking Machines models

2 models2 current2 open weights
#72of 334Inkling Small?Chat · Humanity's Last Exam
Jul 30, 2026Inkling Smallnewest release
$0.45 / $1.20Inkling Small?cheapest · per 1M in / out
5categories ranked?Chat · Coding · Agents …

Current lineup?

Chat & Knowledge

Humanity's Last Exam · 334 ranked
Full ranking →
RankModelScoreIn / out
#72 of 334Inkling Small33.3$0.45 / $1.20#74 of 334Inkling31.9$0.95 / $4.05

Coding

Terminal-Bench 4.0 · 132 ranked
Full ranking →
RankModelScoreIn / out
#54 of 132Inkling1$0.95 / $4.05#54 of 132Inkling Small1$0.45 / $1.20

Agents & Tool Use

AutomationBench-AA · 133 ranked
Full ranking →
RankModelScoreIn / out
#84 of 133Inkling5$0.95 / $4.05#86 of 133Inkling Small4.8$0.45 / $1.20

Writing & Language

Arena Text · creative writing · 195 ranked
Full ranking →
RankModelEloIn / out
#83 of 195Inkling1,381$0.95 / $4.05#120 of 195Inkling Small1,314$0.45 / $1.20

Vision & Documents

MMMU-Pro (vision) · 124 ranked
Full ranking →
RankModelScoreIn / out
#57 of 124Inkling Small74$0.45 / $1.20#60 of 124Inkling73.5$0.95 / $4.05

Thinking Machines API pricing?

2 models
ModelInputOutputCache readContextReleased ↓Status
Inkling Small
h$0.45$1.20—256KJul 2026
Inkling
h$0.95$4.05—256KJul 2026