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LONG MEMORY · OpenAI

GPT-4.1 Nano

GPT-4.1 Nano is a tool-using model from OpenAI in the GPT family, living in Snow Country (long memory). It reads text, files and images and writes text, with a 1.05M-token context window and up to 33K tokens of output. On OpenRouter it costs $0.100 per million input tokens and $0.400 per million output tokens.

See GPT-4.1 Nano in 3DOpen in the WorktableView on OpenRouter

Specifications

Provider
OpenAI
Family
GPT
Province
Snow Country
Context window
1.05M tokens
Maximum output
33K tokens
Input / 1M tokens
$0.100
Output / 1M tokens
$0.400
Accepts
text, files, images
Produces
text
Reasoning
No
Tool use
Yes
Added to OpenRouter
2025-04-14
Model ID
openai/gpt-4.1-nano
Price history
—All recorded prices

From the 2026-10-24 catalog snapshot. Prices are US dollars per million tokens.

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