GPT-5
OpenAIReleased 2025-08 · o200k_base tokenizer
Pricing
Input
$1.25 /M tokens
Cached input
$0.125 /M tokens
Output
$10.00 /M tokens
Specs
Context window
400K tokens
Max output
16.4K tokens
Features
VisionToolsCaching Reasoning Structured
Released 2025-08 · o200k_base tokenizer
Input
$1.25 /M tokens
Cached input
$0.125 /M tokens
Output
$10.00 /M tokens
Context window
400K tokens
Max output
16.4K tokens