AI Model Watch
Models / OpenAI

GPT-5.4 Pro

GA

Snapshot alias gpt-5.4-pro-2026-03-05. Responses API only. Reasoning effort medium/high/xhigh. Doc notes potential 2x/1.5x multipliers for sessions exceeding 272K input tokens. No cached-input price published.

Provider
OpenAI
Status
GA
Input price
$30 / 1M tokens
Output price
$180 / 1M tokens
Cached input
—
Blended price
$67.50 / 1M tokens
Context window
1,050,000 tokens (1.1M)
Max output
128,000 tokens
Modality
text, image
Knowledge cutoff
2025-08-31
Released
5 Mar 2026
API string
gpt-5.4-pro

Source: OpenAI official documentation ↗

See also

Compare GPT-5.4 Pro with…

GPT-5.4 Pro vs Claude Opus 4.8→

$67.50 vs $10 blended /M

GPT-5.4 Pro vs Claude Opus 4.7→

$67.50 vs $10 blended /M

GPT-5.4 Pro vs Claude Opus 4.6→

$67.50 vs $10 blended /M

GPT-5.4 Pro vs Claude Opus 4.5→

$67.50 vs $10 blended /M