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Thinking Machines: Inkling (free)

Source description (English)

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,...

Overview

Model specifications

Context
1,048,576 tokens
Maximum output
262,144 tokens
Architecture
text+image+audio->text
Tokenizer
Other
Knowledge cutoff
Not provided
Moderated
No
OPENROUTER

Complete pricing

Synchronized OpenRouter rates. Token prices are shown per one million tokens.

Input
Free
per 1M tokens
Output
Free
per 1M tokens
API

Model configuration

Reasoning

Reasoning required
No
Default parameters
high
Capabilities
max, high, medium, low, minimal, none
API

Quick start

Set OPENROUTER_API_KEY locally. Python requires requests; JavaScript runs in Node.js. Keep the key on the server.

API documentation

curl --fail-with-body https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"thinkingmachines/inkling:free","messages":[{"role":"user","content":"Hello!"}]}'
Capabilities

InputOutput

Input
textimageaudio
Output
text
Reasoning

Yes · max · high · medium · low · minimal · none

API

Supported API parameters

frequency_penaltyinclude_reasoningmax_tokenspresence_penaltyreasoningreasoning_effortseedstoptemperaturetoolstop_p
Available providers

1 Provider

Checked: September 7, 2026

Live providers on OpenRouter

Provider availability, latency, throughput and routing can change continuously. Open the source page for current operational data.

OpenRouter

Thinking Machines

nvfp4
Context
1.0M
Maximum output
262K
Input
Free
Output
Free
Cache read
Not provided
Cache write
Not provided
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