Inkling
Inkling is a Thinking Machines model family with 2 variants (standard and Small) available in Quad Chat, with up to 1M tokens of context, image input, tool calling and step-by-step reasoning.
Inkling at a glance
| Lab | Thinking Machines |
|---|---|
| Available on | Free plan |
| Context window | Up to 1M tokens |
| Max output | Up to 1M tokens |
| Image input | Yes |
| Tool calling | Yes |
| Reasoning | Yes |
| Privacy lane | Private (Zero Data Retention) |
Inkling variants
| Model | Context | Plan | API list price per 1M tokens (in / out) |
|---|---|---|---|
| Inkling | 256K | Free plan | $1.00 / $4.05 |
| Inkling Small | 1M | Free plan | $0.45 / $1.20 |
How to use Inkling in Quad Chat
- Create a free account or sign in.
- Open the model picker and choose Inkling.
- Ask, attach files, or compare the answer with another model.
Frequently asked questions
Can I use Inkling for free?
Yes. Inkling is available on the Quad Chat Free plan, which needs no credit card and includes 100 monthly credits shared across every model. Larger requests use more credits, and paid plans from $8/month raise the allowance.
What is the context window of Inkling?
Context windows differ by variant: Inkling 256K, Inkling Small 1M tokens, according to the model catalog Quad Chat routes through. Files, pasted text and earlier messages all count toward the window.
Does Inkling support images, tools and reasoning?
Inkling accepts images as input, so you can attach screenshots, photos and scanned pages. It supports tool calling. It can reason step by step before it answers. You can switch to another model in the same conversation at any time.
Is Inkling private in Quad Chat?
Inkling runs on the Quad Chat Private Lane, routed to providers under Zero Data Retention terms. Quad Chat does not train models on your conversations, encrypts chats in transit and at rest, and lets you export or delete them at any time.
How much does Inkling cost in Quad Chat?
Quad Chat plans have a flat monthly price and draw usage from shared credits, not a per-token bill. The model picker shows an estimate before you send. For reference, the provider's API list price is from $0.45 to $1.00 per million input tokens across variants.
Can I compare Inkling with other models?
Yes. Send one prompt to Inkling and one or two other models, such as GPT-6.1 Sol, Gemini 3.8 Flash and Claude Opus 5.5, and compare the answers side by side in the same thread. You can also switch models mid-conversation without losing your files or context.
Related models
- GPT-6.1 Sol — OpenAI, Pro plan and up
- Gemini 3.8 Flash — Google, Pro plan and up
- Claude Opus 5.5 — Anthropic, Ultra plan and up
- Kimi K3 — Moonshot AI, Free plan
- Muse Spark 1.3 — Meta, Free plan
- GLM 5.3 — Z.ai, Free plan
- Grok 4.7 — xAI, Pro plan and up
- DeepSeek V4.1 Flash — DeepSeek, Free plan