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Thinking Machines: Inkling Small: AI model

Inkling Small is the efficient open-weight multimodal model of the Inkling family from Thinking Machines with a 524K-token context window. Reachable from inside Iran through Hormouz.

Context window:
524,288 tokens
Input:
$0.45/1M tokens
Output:
$1.2/1M tokens
Type:
text, image, audio
  • Vision
  • Tools
  • Streaming
  • Long context

Thinking levels: max · high · medium · low · minimal · none

Inkling Small is the smaller member of Thinking Machines Lab's Inkling family: an open-weight mixture-of-experts with 12B active parameters out of 276B. It accepts text, images and audio over a 524K-token context and is suited to reasoning, coding, agents, retrieval-augmented answers, careful instruction following and multilingual chat.

It accepts text, image and audio input and returns text, and supports tool calling and streaming. Reasoning can be switched on when a problem needs more thought and left off when speed matters. Inkling Small is commonly used for retrieval-augmented question answering, coding, multilingual assistants and audio or image understanding. Hormouz serves it behind an OpenAI-compatible API: point your base URL at Hormouz, drop in a Hormouz key, and existing OpenAI SDK code runs without changes.

Pricing is usage-based: $0.45 per million input tokens and $1.2 per million output tokens. There is no fixed monthly fee, and you pay only for the tokens you use. Hormouz provides stable access to the model from inside Iran, with no foreign credit card or circumvention tooling required.

Inkling Small is an open-weight multimodal mixture-of-experts model from Thinking Machines Lab, with 12B active parameters out of 276B total. It is positioned as the smaller, more efficient member of...

Quickstart

curl https://api.hormouz.net/v1/chat/completions \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "thinkingmachines/inkling-small",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Specs

VendorThinking Machines
TypeText, Image, Audio
Context window524,288 tokens
Pricing$0.45/M in · $1.20/M out
APIChat Completions
CapabilitiesStreaming · Vision · Tools

Benchmarks

25.7
Intelligence Index
Better than 50% of models we compared
52.9
Coding Index
Better than 60% of models we compared
23.5
Agentic Index
Better than 55% of models we compared

Reasoning

GPQA Diamond
Graduate-level scientific reasoning
89.5%
HLE
Humanity's Last Exam
33.3%
AA-LCR
Long-context reasoning
75.7%
CritPt
Research-level physics reasoning
8.3%
AA Omniscience
Broad factual knowledge accuracy
33.2%
Non-Hallucination
Rate of avoiding fabricated answers
37%

Coding

SciCode
Python for scientific computing
49.7%

Agentic

GDPval
Economically valuable tasks
31.2%

Source: Artificial Analysis

Code example

cURL
curl https://api.hormouz.net/v1/chat/completions \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "thinkingmachines/inkling-small",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'
Python
from openai import OpenAI
client = OpenAI(api_key="ng-YOUR_API_KEY", base_url="https://api.hormouz.net/v1")
response = client.chat.completions.create(
    model="thinkingmachines/inkling-small",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)
JavaScript
import OpenAI from "openai";
const client = new OpenAI({ apiKey: "ng-YOUR_API_KEY", baseURL: "https://api.hormouz.net/v1" });
const response = await client.chat.completions.create({
  model: "thinkingmachines/inkling-small",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

Buy the Thinking Machines: Inkling Small API, paid in rial

  • Buy credit with an Iranian bank card; no foreign card or account needed.
  • One Hormouz key reaches Thinking Machines: Inkling Small and 600+ other models, and you pay only for what you use.
  • No VPN and no risk of a banned account; just change the base URL to api.hormouz.net/v1.
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FAQ

How much does Inkling Small cost?
Pricing is usage-based: $0.45 per million input tokens and $1.2 per million output tokens. There is no fixed monthly fee, and you pay only for the tokens you use.
How do I access Inkling Small from inside Iran?
Create an account on Hormouz and generate an API key. Hormouz provides a stable path to the model from inside Iran, with no foreign credit card or circumvention tooling required.
Is Inkling Small compatible with OpenAI code?
Yes. Hormouz exposes an OpenAI-compatible API. Point your base URL at Hormouz and swap in your Hormouz key. Your existing SDKs and code run without a rewrite.
What context window and capabilities does Inkling Small have?
It has a 524K-token context window, accepts text, image and audio input, and supports tool calling and streaming. Reasoning can be switched on when a problem needs more thought and left off when speed matters.
What is Inkling Small good for?
Typical uses are retrieval-augmented question answering, coding, multilingual assistants and audio or image understanding.

Updated 2026-10-13