Thinkingmachines model page

Thinking Machines: Inkling (free)

thinkingmachines/inkling:free

Inkling is an open-weight multimodal mixture-of-experts model from Thinking Machines Lab, with 41B active parameters out of 975B total. It is designed for general-purpose reasoning, coding, agentic and tool-use systems,...

TextVisionAudioTool callingReasoningLong context
Input / 1M
$0.00
Output / 1M
$0.00
Context
1049K
Markup
30%

Use this model through UAI

A dedicated public landing page for this synced catalog row.

Provider
Thinkingmachines

Synced from the active catalog

Context window
1.0M tokens

Validated for gateway requests

UAI input
$0.00

Free model row

UAI output
$0.00

Free model row

This page exists for direct linking, onboarding, and SEO. The same model row powers /v1/models, the public catalog, the app pricing screen, and request validation for /v1/chat/completions.

Why use this model through UAI

The same model route, but with one account, one balance, and one API shape.

Free route

This model is currently listed at $0.00 per token through UAI. Free rows can have lower rate limits, but they are useful for testing and evaluation.

Reasoning workloads

Use Thinking Machines: Inkling (free) for multi-step prompts, planning, and deeper analysis while keeping the same OpenAI-compatible UAI endpoint.

Long-context inputs

Thinking Machines: Inkling (free) exposes 1.0M tokens, which makes it a good fit for large documents, transcripts, and retrieval-heavy chat flows.

Pricing and access

Current synced numbers for this exact model row.

UAI input / 1M tokens
$0.00
UAI output / 1M tokens
$0.00
Thinkingmachines input / 1M
$0.00
Thinkingmachines output / 1M
$0.00
Context window
1,048,576
Current markup
30%

Need another option? Browse the full models catalog or compare rows in the signed-in pricing table.

Quickstart

Use this model with your UAI key over the standard OpenAI-compatible route.

Create a key in API Keys, then send requests to https://uai.sh/v1/chat/completions.

curl
curl https://uai.sh/v1/chat/completions \
  -H "Authorization: Bearer uai-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "thinkingmachines/inkling:free",
    "messages": [{"role": "user", "content": "Say hi in one short sentence."}],
    "stream": false
  }'
Python (OpenAI SDK)
from openai import OpenAI

client = OpenAI(base_url="https://uai.sh/v1", api_key="uai-YOUR_API_KEY")
response = client.chat.completions.create(
    model="thinkingmachines/inkling:free",
    messages=[{"role": "user", "content": "Say hi in one short sentence."}],
    stream=False
)
print(response.choices[0].message.content)
Node.js (OpenAI SDK)
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://uai.sh/v1",
  apiKey: "uai-YOUR_API_KEY"
});

const response = await client.chat.completions.create({
  model: "thinkingmachines/inkling:free",
  messages: [{ role: "user", content: "Say hi in one short sentence." }],
  stream: false
});

console.log(response.choices[0].message.content);

Related models

Other active rows to compare without leaving the public catalog.

thinkingmachines
Thinking Machines: Inkling Small (free)
thinkingmachines/inkling-small:free
Input / 1M$0.00
Context1.0M tokens
thinkingmachines
Thinking Machines: Inkling Small
thinkingmachines/inkling-small
Input / 1M$0.58
Context1.0M tokens
thinkingmachines
Thinking Machines: Inkling Small (batch)
thinkingmachines/inkling-small:batch
Input / 1M$0.65
Context524K tokens