OpenAI: GPT-4.1 Nano

Pricing, context window and lifecycle for openai/gpt-4.1-nano, tracked from what the vendor publishes.

Price per million tokens

Input	$0.100
Output	$0.400
Cache price (read)	$0.025
Max price	$0.400

Facts

Model ID	openai/gpt-4.1-nano
Vendor	OpenAI
Token limit (context window)	1,047,576 tokens
Knowledge cutoff	2024-06-30
End of life	none published

Supported parameters

max_completion_tokens, max_tokens, response_format, seed, structured_outputs, temperature, tool_choice, tools, top_p

Other OpenAI models

openai/gpt-3.5-turbo $0.500 in / $1.50 out
openai/gpt-3.5-turbo-0613 $1.00 in / $2.00 out
openai/gpt-3.5-turbo-16k $3.00 in / $4.00 out
openai/gpt-3.5-turbo-instruct $1.50 in / $2.00 out
openai/gpt-3.5-turbo:batch $0.250 in / $0.750 out
openai/gpt-4 $30.00 in / $60.00 out
openai/gpt-4-turbo $10.00 in / $30.00 out
openai/gpt-4-turbo-preview $10.00 in / $30.00 out
openai/gpt-4-turbo:batch $5.00 in / $15.00 out
openai/gpt-4.1 $2.00 in / $8.00 out

Change history

Every change we have observed since tracking began.

Detected	Change	Detail
2026-08-31 19:14	Pricing Change	Cache price (read) $0.030 -> $0.025 (-16.7%)
2026-08-28 19:14	Pricing Change	Cache price (read) $0.025 -> $0.030 (+20.0%)

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