LLM

GPT-5 Pro

by OpenAI

Prices last updated October 4, 2026

GPT-5 Pro, a proprietary OpenAI model available via OpenRouter.

Context
400k
Providers
2
Cheapest Input
$15.00
Function Calling Streaming Chat / Instruct

Price Comparison

Compare pricing across 2 providers serving GPT-5 Pro

Provider Input $/1M Output $/1M Context Speed TTFT Status
OP
OpenRouter
$15.00 ● $120.00 400k — — Live
OP
OpenAI
$15.00 ● $120.00 — — — Live
● Cheapest ● Fastest Prices in USD per 1M tokens