OpenAI Inc.
gpt-5:flex
GPT-5 is OpenAI's flagship model for coding, reasoning, and agentic tasks across domains.
Vision Support
Advanced Reasoning
Caching Support
Pricing
$0.63
Input tokens per million
$5.00
Output tokens per million
Caching Pricing
$0.63
Cache write per million
$0.06
Cache read per million
Technical Specifications
Context Window
400K tokens
Max Output Tokens
128K tokens
Global Availability
Last Updated
N/A