gpt-4.1-nano

gpt-4.1-nano costs $0.10 per 1M input tokens, $0.025 cached input and $0.40 per 1M output tokens. Batch API: $0.05 input, $0.20 output.

Updated October 11, 2026

Input / 1M

$0.10

Output / 1M

$0.40

Cached Input

$0.025

Context Window

1.05M

Standard Input

$0.10 / 1M

Base prompt input rate

Standard Output

$0.40 / 1M

Completion output rate

Prompt Caching -50%

$0.025 / 1M

Cached prompt context

Batch API -50%

$0.05 / 1M

Asynchronous 24h batch

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OpenAI retires gpt-4.1-nano on 23 Oct 2026. Successor: gpt-5.6-luna.

Flagship models

All rates listed in USD per 1 Million (1M) tokens unless noted

StandardBatchFast mode

Pricing Metric / Parameter	Standard RATE (per 1M)	Batch RATE (per 1M)	Fast mode RATE (per 1M)
Short context input	$0.10	$0.05	$0.20
Short context cached input	$0.025	-	$0.05
Short context cache writes	-	-	-
Short context output	$0.40	$0.20	$0.80
Long context input	-	-	-
Long context cached input	-	-	-
Long context cache writes	-	-	-
Long context output	-	-	-

Source: OpenAI official pricing page, verified 2026-10-11. Prices in USD per 1M tokens.

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