Inkling (Reasoning)
by Thinking Machines Lab
Inkling (Reasoning) is a reasoning model from Thinking Machines Lab, released on July 21, 2026. It has a 524K-token context window and can generate up to 524K output tokens. API pricing is $0.95 per 1M input tokens and $4.05 per 1M output tokens. It ranks #53 of 220 models by Intelligence Score with a score of 37.1.
Inkling is a general-purpose multimodal model that accepts text, image and audio inputs and generates text outputs.
Key specs
| Provider | Thinking Machines Lab |
|---|---|
| Release date | 2026-07-21 |
| License | open source |
| Context window | 524K tokens |
| Max output | 524K tokens |
| Input price | $0.95 / 1M tokens |
| Output price | $4.05 / 1M tokens |
| Intelligence Score | 37.1 |
| Coding index | 26.5 |
Quick answers
What is the context window of Inkling (Reasoning)?
Inkling (Reasoning) has a context window of 524K tokens, with a maximum output of 524K tokens per response.
How much does Inkling (Reasoning) cost?
Inkling (Reasoning) costs $0.95 per 1M input tokens and $4.05 per 1M output tokens through the API.
Is Inkling (Reasoning) open source?
Yes. Inkling (Reasoning) is an open model released under the open source license.
When was Inkling (Reasoning) released?
Thinking Machines Lab released Inkling (Reasoning) on July 21, 2026.
How does Inkling (Reasoning) compare to Claude Opus 5.5 (Reasoning)?
Inkling (Reasoning) scores 37.1 on the Intelligence Score versus 60.5 for Claude Opus 5.5 (Reasoning), the current #1. Input pricing is $0.95 vs $4 per 1M tokens.
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- Inkling-Small (Reasoning) — Thinking Machines Lab