How much does Inkling cost?

Inkling starts at $1/1M input tokens, $0.17/1M cached input tokens, and $4.05/1M output tokens.

What is the context window for Inkling?

Inkling supports a context window of 262k tokens in Sim. In an agent, this determines how much conversation history, tool outputs, and retrieved documents the model can hold in a single call.

What capabilities does Inkling support?

Inkling supports the following capabilities in Sim: Temperature 0-1, Tool choice, Structured outputs.

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Thinking Machines model

Inkling

Name: Inkling
Brand: Thinking Machines
SKU: thinkingmachines/inkling

Inkling is a Thinking Machines model tracked in Sim. It supports a 262k token context window. Pricing starts at $1/1M input tokens and $4.05/1M output tokens. Key capabilities include Temperature 0-1, Tool choice, Structured outputs.

Build with this model All Thinking Machines models

Input price$1/1M

Cached input$0.17/1M

Output price$4.05/1M

Context window262k

Max outputNot published

ProviderThinking Machines

UpdatedNov 5, 2026

Temperature0 to 1

Reasoning effortNot supported

VerbosityNot supported

Thinking levelsNot supported

Structured outputsSupported

Tool choiceSupported

Computer useNot supported

Deep researchNot supported

Memory supportSupported

Max output tokensNot published

Frequently asked questions

Inkling is a Thinking Machines model available in Sim. Inkling is a Thinking Machines model tracked in Sim. It supports a 262k token context window. Pricing starts at $1/1M input tokens and $4.05/1M output tokens. Key capabilities include Temperature 0-1, Tool choice, Structured outputs.