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Inkling (Thinking Machines Lab)

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Category
AI Tools
Pricing
Open Source
Type
ARTICLE
Builder
@swyx
Added
Jul 21, 2026

About

Inkling is Thinking Machines Lab's first open-weights foundation model: a 975B-parameter (41B active) multimodal Mixture-of-Experts LLM that reasons natively over text, images, and audio with a 1M-token context window. Released under Apache 2.0 with same-day fine-tuning on Tinker, it's positioned as a customizable American open base model rather than a benchmark-maxed flagship.

What it can do

  • Generate reasoned text responses over long documents

    Text prompt with up to 1M tokens of contextReasoned text response

  • Analyze and answer questions about images

    Image plus text queryText description or answer

  • Process and reason over audio input

    Audio file plus text queryText transcription, summary, or answer

  • Reason jointly across text, images, and audio in a single prompt

    Mixed multimodal input (text, images, audio)Unified reasoned text response

  • Fine-tune the base model on custom data via Tinker

    Custom training datasetCustomized fine-tuned model weights

  • Run locally or self-host as an open-weights model

    Downloaded Apache 2.0 model weightsDeployed inference-ready model

  • Summarize large context windows of documents or conversations

    Long-form text up to 1M tokensConcise summary text

Why it made the leaderboard

Inkling is a 975B-param (41B active) multimodal MoE released under Apache 2.0 with 1M-token context and same-day fine-tuning on Tinker, giving builders a permissively licensed U.S. open base model to customize rather than a locked-down API. Its novel architecture (relative positional bias, scaled short-conv layers, dual shared-expert MoE) makes it a distinct alternative to Llama, DeepSeek, and GLM/Kimi for teams needing open weights they can adapt.

Tags

llmopen-weightsmultimodalmixture-of-expertsfoundation-modelapache-2.0fine-tuning

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Inkling (Thinking Machines Lab)

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