Inkling

Thinking Machines Lab

Thinking Machines Lab's first open-weights model: a multimodal Mixture-of-Experts reasoner (975B total, 41B active) with controllable reasoning effort, fine-tunable on Tinker.

Specs

Model

Family
Inkling
Weights
Open

Limits

Context
65,536 tokens
Max output
65,536 tokens

Modalities

Input
Text Image
Output
Text

Pricing

Input
$1.87 / 1M
Output
$4.68 / 1M
Cache read
$0.374 / 1M

Capabilities

Reasoning
Yes
Reasoning control
On / off, Effort levels
Tool calling
Yes
Attachments
Yes

Dates

Released
15 Jul 2026
Thinking Machines Lab

Introducing Inkling-Small

An open-weights model that matches Inkling at a quarter of the size: multimodal, Mixture-of-Experts, with controllable reasoning effort. Fine-tune it on Tinker.

Thinking Machines Lab
thinkingmachines.ai
Thinking Machines Lab

Inkling: Our Open-Weights Model

Our first open-weights model: multimodal, Mixture-of-Experts, with controllable reasoning effort. Available to fine-tune on Tinker.

Thinking Machines Lab
thinkingmachines.ai

More from Thinking Machines Lab

All models

Inkling-Small

Thinking Machines Lab

A quarter the size of Inkling at comparable performance: a multimodal Mixture-of-Experts reasoner (276B total, 12B active) with controllable reasoning effort, fine-tunable on Tinker.

14d ago

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