GPT-5 Mini (OpenRouter)
routerOpenRouter · openai/gpt-5-mini · prices updated September 13, 2026
Input · 1M tokens
$0.25
Cached input · 1M
$0.03−90%
Output · 1M tokens
$2
Price history
inputoutput
Specifications
Context window400,000
Knowledge cutoffApr 2025
Tokenizer≈ cl100k_base
Tools
Web Search
Token counts are approximate (marked "≈" in the calculator). Tool calls are billed by the provider separately.
About the model
Access via the global OpenRouter API router (USD billing, +5.5% on credit top-ups; blocked for Russian IPs since 2026-06-27) — not the official OpenAI API