GPT-5.4

Active

Most capable GPT model with 1M context window and enhanced reasoning

Context Window
1M
Input Price
$2.00/1M
Output Price
$8.00/1M
Released
Feb 15, 2026

Capabilities

textvisionfunction-callingjson-mode

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Version History

Mar 1, 2026Pricing Change

Price reduced from $2.50 to $2.00 per 1M input tokens

Feb 15, 2026New Release

Initial release of GPT-5.4 with 1M context window