Thinking Machines: Inkling Small
Inkling Small is a reasoning model from Thinking Machines released on Jul 30, 2026. It reads text, images and audio and writes text, with a 524K token context window and up to 1.05M tokens per reply.
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It costs $0.50 per million input tokens and $1.20 per million output tokens. Cached input bills at $0.10, 80% less than fresh input.
It supports tool calling, structured JSON output and prompt caching, and its weights are open, so you can host it yourself.
11 providers serve it, including Deep Infra, Vercel AI Gateway and Baseten. The lowest input price is $0.45 per million tokens at Deep Infra.
- Modalities
- In / out price
- $0.50 / $1.20 per 1M
- Context
- 524K
- Max output
- 1.05M
- Released
- Jul 30, 2026
- Knowledge cutoff
- n/a
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
Inkling Small pricing
USD, as listed on Oct 15, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.
| Input | $0.50 / 1M tokens | |
|---|---|---|
| Output | $1.20 / 1M tokens | |
| Cached input (read) | $0.10 / 1M tokens | 80% off input |
Inkling Small providers
11 providers serve it, including Deep Infra, Vercel AI Gateway and Baseten. The lowest input price is $0.45 per million tokens at Deep Infra. Each host sets its own price and limits, so the cheapest one is not always the one with the longest context.
| Provider | Input /M | Output /M | Cache read /M | Context | Max output |
|---|---|---|---|---|---|
| Deep Infra | $0.45 | $1.20 | $0.10 | 524K | 1.05M |
| Vercel AI Gateway | $0.45 | $1.20 | $0.10 | 1M | 1M |
| Baseten | $0.50 | $1.20 | $0.10 | 1.05M | 33K |
| Hugging Face | $0.50 | $1.20 | – | 524K | 1.05M |
| Eden AI | $0.45 | $1.20 | $0.10 | 524K | 1.05M |
| Arcee | $0.50 | $1.20 | $0.10 | 262K | 262K |
| NanoGPT | $0.50 | $1.20 | $0.10 | 524K | 33K |
| Pioneer | $0.50 | $1.20 | $0.10 | 1M | 131K |
| LLMTR | $0.58 | $1.44 | – | 262K | 262K |
| AI/ML API | $0.7977 | $1.98 | $0.1595 | 524K | 262K |
| Kilo Gateway | n/a | n/a | – | 1.05M | 262K |
What Inkling Small costs per month
Pick a workload close to yours or type your own volumes.
Supported request parameters
What you can set when you call Inkling Small through an OpenAI compatible API.
- Tools
tools - Structured outputs
structured_outputs - Reasoning
reasoning - Temperature
temperature
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Inkling Small questions
How much does the Inkling Small API cost?
$0.50 per million input tokens and $1.20 per million output tokens, with cached input at $0.10. The estimator on this page turns that into a monthly bill for your own workload.
What is the context window of Inkling Small?
524,288 tokens of input, and it can write up to 1,048,576 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.
Which providers serve Inkling Small?
11 providers serve it, including Deep Infra, Vercel AI Gateway and Baseten. The lowest input price is $0.45 per million tokens at Deep Infra. Prices differ by host, so the Providers table on this page lists each one with its input and output price.
Does Inkling Small support tool calling?
Yes. It accepts tool definitions and can return JSON that matches a schema, which is what an agent needs to call your APIs.
Is Inkling Small open source?
Its weights are published, so you can run it on your own hardware or a cloud of your choice. Read the license before commercial use.
When was Inkling Small released?
Jul 30, 2026.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.
Building on Inkling Small?
I test your real tasks on it and the two closest alternatives, then ship the agent on whichever wins on cost and accuracy.
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