How much does GPT-4.1 Nano cost?

GPT-4.1 Nano is listed at $0.1/1M input tokens, $0.025/1M cached input tokens, and $0.4/1M output tokens.

What is the context window for GPT-4.1 Nano?

GPT-4.1 Nano supports a context window of 1.05M 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 GPT-4.1 Nano support?

GPT-4.1 Nano supports the following capabilities in Sim: Temperature 0-2, Tool choice, Structured outputs, Max output 33k.

What is GPT-4.1 Nano best used for?

Best for long-context retrieval, large documents, and high-memory workflows. When used in a Sim workflow, it can be selected in any Agent block from the model picker.

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OpenAI model

GPT-4.1 Nano

Name: GPT-4.1 Nano
Brand: OpenAI
SKU: gpt-4.1-nano

GPT-4.1 Nano is a OpenAI model tracked in Sim. It supports a 1.05M token context window. Pricing starts at $0.1/1M input tokens and $0.4/1M output tokens. Key capabilities include Temperature 0-2, Tool choice, Structured outputs. Best for long-context retrieval, large documents, and high-memory workflows.

Build with this model All OpenAI models

Input price$0.1/1M

Cached input$0.025/1M

Output price$0.4/1M

Context window1.05M

Max output33k tokens

ProviderOpenAI

UpdatedApr 1, 2026

Best forBest for long-context retrieval, large documents, and high-memory workflows.

Temperature0 to 2

Reasoning effortNot supported

VerbosityNot supported

Thinking levelsNot supported

Structured outputsSupported

Tool choiceSupported

Computer useNot supported

Deep researchNot supported

Memory supportSupported

Max output tokens33k

Frequently asked questions

GPT-4.1 Nano is a OpenAI model available in Sim. GPT-4.1 Nano is a OpenAI model tracked in Sim. It supports a 1.05M token context window. Pricing starts at $0.1/1M input tokens and $0.4/1M output tokens. Key capabilities include Temperature 0-2, Tool choice, Structured outputs.