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AI model reference · 2026

Inkling

Thinking MachinesModel details, evidence, and API facts

Inkling is an open-weight multimodal mixture-of-experts model from Thinking Machines Lab, with 41B active parameters out of 975B total.

Text generation
Image input
Reasoning
Provider endpoint accepts tool parameters
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Context window
1,048,576 tokens
Maximum output
262,144 tokens
Base provider API input
$0.95 / 1M tokens
Base provider API rate
Published evidence
2 benchmarks, 0 Arena results

Overview

About Inkling

A concise catalog overview. Technical limits and published evaluation evidence are listed separately below.

Inkling is an open-weight multimodal mixture-of-experts model from Thinking Machines Lab, with 41B active parameters out of 975B total.

text
multimodal
reasoning

Published evaluations

Benchmark results

Only results mapped to this exact model and backed by a named source appear here. Different evaluation protocols are not treated as interchangeable.

Source-backed benchmark results for Inkling
BenchmarkScoreEvaluation detailsSource
GPQA DiamondThe highest-quality subset of Graduate-Level Google-Proof Q&A, designed to test expert-level scientific reasoning in biology, physics, and chemistry.87.2%AccuracyVersion: GPQA Diamond 198 · Split: 198 Diamond questions · Harness: Artificial Analysis independent evaluation · Tools: Not disclosed on the score pageMethodology Artificial AnalysisIndependently reproduced
LiveBenchA contamination-resistant benchmark refreshed on a fixed release cadence. Scores from different LiveBench releases must never be compared as the same protocol.71.9%Mean of category averagesVersion: LiveBench 2026-06-25 · Split: 2026-06-25 release, 23 tasks across seven categories · Reasoning effort: xhighProtocol note: Overall is the mean of category averages. This protocol is not comparable with the 2026-01-08 release.Methodology LiveBenchBenchmark owner

Human preference

Arena results

Arena scores come from blind human preference votes. They are reported separately from task benchmarks and are not used as substitutes for missing benchmark results.

No exact Arena match is available for this model. Similar names and provider variants are not merged automatically.

Technical reference

Specifications and API facts

Technical limits and reference provider prices come from the current catalog unless a reviewed external source is listed. Missing values stay marked as unavailable.

Model
Provider
Thinking Machines
Release date
Not available in reviewed sources
Catalog added
Jul 17, 2026
Context window
1,048,576 tokens
Maximum output
262,144 tokens
Knowledge cutoff
Not available in reviewed sources
License
Not available in reviewed sources
Capabilities and API
Input types
Text, Image, Audio
Output types
Text
Reasoning
Supported
Provider endpoint tool parameters
Accepts tool parameters
Base provider API input
$0.95 / 1M tokens
Base provider cached input
$0.16 / 1M tokens
Base provider API output
$4.05 / 1M tokens

These are reference provider API rates, not Writingmate checkout charges. Access in Writingmate follows the allowances of your Writingmate plan.

Provenance

Sources and update status

Source links are attached to the facts and evaluations they support. Catalog-only values are not presented as independently verified claims.

Evidence last updated Aug 9, 2026.

Catalog record updated Jul 17, 2026.

Catalog-added dates describe when a model entered the catalog, not necessarily its public release date.

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