Inkling is an open-source project built for developers.

Yes — Inkling is open source under the Apache-2.0 license and free to use.

What platforms does Inkling run on?

Inkling runs on the web, the command line, and API.

Is Inkling still active?

The GitHub repository shows 69 commits in the last 90 days.

What are alternatives to Inkling?

Similar projects tracked by PulseGate include Inkling Small, Inkling Small, and Inkling LM.

Inkling is developed by Thinking Machines.

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Inkling

Name: Inkling
Author: Thinking Machines

huggingface.coInfrastructure

Inkling-NVFP4 is a language model hosted on Hugging Face that features an advanced Jinja-based chat template with support for system, user, assistant, and tool messages. It includes programmable reasoning effort levels and structured function calling capabilities. The model is intended for developers building applications that require controllable inference behavior.

Open SourceApache-2.0WebCLIAPI

Visit huggingface.co

3.9kstars

484forks

2alternatives

3features

2025since

Overview

3 features

Inkling is a Foundation models & chat project. It focuses on enabling controllable reasoning and structured tool use in language model inference. Inkling is an open-source project aimed at developers. The project is open source (Apache-2.0). It ships for the web, the command line, and API.

Thinking Machines builds and maintains Inkling, and it first shipped in 2025. Development happens publicly on GitHub with 3.9k stars and 69 commits in the last 90 days. Among its 3 catalogued features are custom chat template, reasoning effort control, and tool calling support.

Summary written by a language model from the project’s public pages.

Custom chat template
Reasoning effort control
Tool calling support

Built with & integrations

Hosting

AWS

AI providers

local_ossopenai

Runs on

BrowserCLIAPI-only

Detected from

AWS: x-amz-cf-id header · x-amz-cf-pop header · via header
local_oss: bllama in the HTML · bvllm in the HTML

Trust & compliance

License

Apache-2.0

Verified signals

HTTPSPrivacy Policy Terms of ServiceOpen SourceActive maintenance

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed21 Jul · 13:31 UTC
thinkingmachines/Inkling-NVFP4 verified against its public source
Source: PulseGate · Open

Frequently asked questions about Inkling

What does Inkling do?: Inkling focuses on enabling controllable reasoning and structured tool use in language model inference. It is catalogued under Foundation models & chat on PulseGate.
Who is Inkling for?: Inkling is an open-source project built for developers.
Is Inkling free?: Yes — Inkling is open source under the Apache-2.0 license and free to use.
What platforms does Inkling run on?: Inkling runs on the web, the command line, and API.
Is Inkling still active?: The GitHub repository shows 69 commits in the last 90 days.
What are alternatives to Inkling?: Similar projects tracked by PulseGate include Inkling Small, Inkling Small, and Inkling LM.Inkling Small Inkling Small Inkling LM
Who makes Inkling?: Inkling is developed by Thinking Machines.
When did Inkling launch?: Inkling first shipped in 2025.

At a glance

Pricing: Open Source
Platforms: Cli · Web
Languages: English
License: Apache-2.0
Built for: developers
Model: Open source
Solves: Enabling controllable reasoning and structured tool use in language model inference.

Registered as

Hugging Face: thinkingmachines/Inkling-NVFP4

Developer

Thinking Machines

Community-driven

Open source

Stars: 3,867
Forks: 484
Open issues: 70
Last commit: 18 Jul 2026
Commits 90d: 69
Contributors: 69
Authorship: Community-driven
Default branch: main
Latest release: v0.4.1 · 12 May 2026

Live coverage

Identity confidence: Medium · 70.4
Indexed: 21 Jul 2026
Lifecycle: Alive
Last seen: 21 Jul 2026

Identity audit (13)

Slug: thinkingmachines-inkling-nvfp4-huggingface-co
Lifecycle state recorded: 21 Jul 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 21 Jul 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Derived from the model's own Hugging Face metadata.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model from page content.
Last updated: 2 Aug 2026
Canonical URL: https://huggingface.co/thinkingmachines/Inkling-NVFP4

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