Inkling (free)
General purposeVisionToolsThinking Machines · Released July 2026
Inkling is an open-weight multimodal mixture-of-experts model from Thinking Machines Lab, with 41B active parameters out of 975B total.
It is part of Thinking Machines' Inkling line, offered in a full and a Small size with batch and free servings.
Facts and pricing
- Provider
- Thinking Machines
- Context window
- 1.0M tokens
- Input price
- 0 credits / 1M tokens ($0 raw)
- Output price
- 0 credits / 1M tokens ($0 raw)
- Vision (image input)
- Yes
- Tool calling
- Yes
- Extended reasoning
- No
Credits are what Zeplik bills: 1 credit = $0.10, computed from the raw provider rate with a 1.20x margin. Raw prices shown per 1M tokens.
Try Inkling now
Inkling (free) is a serving variant of Inkling, so Zeplik offers the Inkling row and routes your prompt there.
What Inkling (free) is best for
- Balanced everyday work: writing, questions, brainstorming and summarization
- Very long documents and codebases: a 1.0M-token window fits entire books or repositories in one conversation
- Working with images: screenshots, charts, photos and scanned documents alongside text
- Tool use and agents: reliably calls functions, so it can search, run skills and drive workflows
Example prompts
Prompts that suit a general purpose model like Inkling (free):
- Help me outline a talk about what I learned this year
- Compare these two paragraphs and tell me which is clearer and why
- Draft a polite reply declining this invitation
- Explain this concept with a concrete everyday analogy
Thinking Machines family
| Model | Context | Input cr/M | Output cr/M | Released |
|---|---|---|---|---|
| Inkling Small (free) | 1.0M | 0 | 0 | July 2026 |
| Inkling Small | 524K | 5.4 | 14.4 | July 2026 |
| Inkling (free) | 1.0M | 0 | 0 | July 2026 |
| Inkling | 524K | 12.0 | 48.6 | July 2026 |
Frequently asked questions
- What is Inkling (free)?
- Inkling (free) is an AI model by Thinking Machines. Inkling is an open-weight multimodal mixture-of-experts model from Thinking Machines Lab, with 41B active parameters out of 975B total.
- How much does Inkling (free) cost on Zeplik?
- Input tokens cost 0 credits per million and output tokens 0 credits per million (1 credit = $0.10; the raw provider rates are $0 and $0 per million). New accounts start with free credits.
- How long can a conversation with Inkling (free) be?
- Inkling (free) has a 1.0M-token context window (1,048,576 tokens), which covers the conversation plus any documents you attach.
- Does Inkling (free) support images and tools?
- Inkling (free) accepts image input and supports tool calling.
Related models
Inkling Small is an open-weight multimodal mixture-of-experts model from Thinking Machines Lab, with 12B active parameters out of 276B total.
Inkling Small is an open-weight multimodal mixture-of-experts model from Thinking Machines Lab, with 12B active parameters out of 276B total.
Inkling is an open-weight multimodal mixture-of-experts model from Thinking Machines Lab, with 41B active parameters out of 975B total.
Claude Haiku 5.5 is Anthropic's small, fast model for high-volume, cost-sensitive work such as summarization, subagents, and browser use.
Nano Banana 2.1 (Gemini Nano Banana 2.1) is Google's image generation and editing model on the Flash tier, succeeding Nano Banana 2 and Nano Banana Pro.
Mistral Large 4 is a frontier multimodal (text and image input) model from Mistral AI built for reasoning, coding, and agentic workloads.
More you can do with Inkling (free)
- 467 AI skillsReady-to-run expert methods for writing, data, code and more, each running on Inkling (free) or any model you pick.
- 997 integrationsConnect Gmail, Slack, GitHub, Notion and hundreds more so the assistant can work in your apps.
- Simple pricingPlus, Pro and Max plans with a monthly credit allowance that works across every model.