Inkling Small
Inkling Small is a language model from Thinking Machines Lab. It is currently free at 1 provider with up to 1M tokens of context. The model supports step-by-step reasoning. Its weights are open, so it can also run locally.
- Developer
- Thinking Machines Lab
- Context
- 1M tokens
- Type
- Text
- License
- Open weights
Where to use Inkling Small for free
Each row is a separate free endpoint with its own limits.
| Provider | Context | Limit | Card | |
|---|---|---|---|---|
OpenRouter thinkingmachines/inkling-small:free |
1M | Free tier | No | Open |
Quick start
curl https://openrouter.ai/api/v1/chat/completions \
-H "Authorization: Bearer $OPENROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "thinkingmachines/inkling-small:free",
"messages": [{"role": "user", "content": "Hello!"}]
}'from openai import OpenAI
client = OpenAI(
base_url="https://openrouter.ai/api/v1",
api_key="YOUR_OPENROUTER_API_KEY",
)
reply = client.chat.completions.create(
model="thinkingmachines/inkling-small:free",
messages=[{"role": "user", "content": "Hello!"}],
)
print(reply.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://openrouter.ai/api/v1",
apiKey: process.env.OPENROUTER_API_KEY,
});
const reply = await client.chat.completions.create({
model: "thinkingmachines/inkling-small:free",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(reply.choices[0].message.content);Example for OpenRouter. Any OpenAI-compatible client works: Cursor, Cline, OpenCode, Open WebUI.
Benchmarks
Source: Artificial Analysis · Inkling Small
Similar free models
FAQ
Is Inkling Small free?
Yes. As of September 26, 2026, Inkling Small is free at OpenRouter. Each provider has its own limits — see the table above.
What is the context window of Inkling Small?
The largest context among free routes is 1,048,576 tokens. Some providers cap it lower.
How do I call Inkling Small via API?
Use any OpenAI-compatible client with base URL https://openrouter.ai/api/v1, model ID thinkingmachines/inkling-small:free, and a OpenRouter key.
How good is Inkling Small?
Artificial Analysis Intelligence Index: 27.8, GPQA Diamond: 90%. For comparison, the strongest free model in the catalog right now is GLM 5.3.
Is Inkling Small open-weight?
Yes, the weights are published — you can download and run it locally, for example with Ollama or LM Studio.