GPT-5.4
vendorOpenAI · gpt-5.4 · prices updated June 14, 2026
Input · 1M tokens
$2.5
Cached input · 1M
$0.25−90%
Output · 1M tokens
$15
Price history
inputoutput
Specifications
Context window1,050,000
Knowledge cutoffAug 2025
Tokenizertiktoken (o200k_base)
Batch API−50% off the price
Tools
Web SearchCode InterpreterFile SearchImage GenerationComputer UseMCP
Exact token counts: local tiktoken tokenizer (o200k_base). Tool calls are billed by the provider separately.
About the model
Successor to GPT-5 (expanded flagship, 1M context)