OpenAI Inc.
gpt-5:flex
GPT-5 is OpenAI's flagship model for coding, reasoning, and agentic tasks across domains.
👁Vision🧠Reasoning🔧Tool calling⚡Caching
Pricing per 1M tokens
Input
$0.63
Output
$5.00
Cache write
$0.63
Cache read
$0.06
Specifications
Context window400K tokens
Max output128K tokens
API typechat
AddedAug 7, 2025
Model IDopenai/gpt-5:flex
Privacy & data
Data retentionYes (30 days)
Used for trainingNo
Provider location🇺🇸 US
Privacy policyOpenAI Privacy Policy →