OpenAIGPT-5.4 nano API pricing

• Generally available March 17, 2026 source
• Deprecated October 1, 2026 source

GPT-5.4 nano costs $0.20 per 1M input tokens and $1.25 per 1M output tokens on OpenAI's API, since March 17, 2026.

Launch price

GPT-5.4 nano launched at this price on March 17, 2026.

Input

$0.20

Output

$1.25

Blended 3:1

$0.4625

Every price event

1 verified event, newest first. No price moves. Documented since March 17, 2026.

1. Launch price · March 17, 2026

   Rates from March 17, 2026

   Rate	Per 1M tokens
   Standard
   Input	$0.20
   Cached input	$0.02
   Output	$1.25
   Batch
   Input	$0.10
   Cached input	$0.01
   Output	$0.625

   Launch-day capture (2026-03-17 19:07 UTC). Long-context cells are '-' (maximum input is 272,000 tokens), so the rates apply to all prompts.

   • Price: Archived page (developers.openai.com, captured March 17, 2026)
     quote

     Standard: gpt-5.4-nano | $0.20 | $0.02 | $1.25 | - | - | -. Batch: gpt-5.4-nano | $0.10 | $0.01 | $0.625 | - | - | -

   • Date: Changelog (developers.openai.com)
     quote

     Mar 17 ... Released [GPT-5.4 mini](https://developers.openai.com/api/docs/models/gpt-5.4-mini) and [GPT-5.4 nano](https://developers.openai.com/api/docs/models/gpt-5.4-nano) to the Chat Completions and Responses API.

Gaps in this history

None known.

API ids

• gpt-5.4-nano
• gpt-5.4-nano-2026-03-17

Checked October 28, 2026.