GPT-5.4 API Pricing
Short answer
GPT-5.4 costs $2.50 per 1M input tokens and $15.00 per 1M output tokens . Context window: 1,050,000. Last verified 2026-06-17 from openrouter.ai. Confidence: Verified.
GPT-5.4 is OpenAI's prior flagship, a strong cost-quality balance for production that unified the Codex and GPT lines.
Input
$2.50 /1M
Output
$15.00 /1M
Cached input
— /1M
Input pricing$2.50
Output pricing$15.00
Limits & capabilities
Context window1,050,000
Max output128K
Modalitytext + image input, text output
ChannelOpenRouter
ProviderOpenAI
Best for
ReasoningCodingGeneral
Cached input is 90% off standard. Released 2026-03-05.
Last checked Verified
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