OpenAI · GPT-5

GPT-5.4 pro

Current

Context window
1.050.000 tokens
Max output
16.384 tokens
Price input / 1M tokens
$30.00
Price output / 1M tokens
$180.00

Capabilities

  • Vision
  • Thinking
  • Tool use
  • Cache

Benchmark scores

MMLU-Pro
92.3
HumanEval
93.1
GPQA Diamond
92.0

What do these benchmarks mean? →

Notes

Premium GPT-5.4 variant for the most demanding tasks. Source: openai.com/api/pricing.