openai Stable

OpenAI: GPT-5.1-Codex-Max price history

Live pricing tracker for OpenAI: GPT-5.1-Codex-Max by openai. Updated hourly from provider APIs.

Input price

—

per 1M tokens

Output price

—

per 1M tokens

Context window

400K

tokens

Price points

438

recorded

Price HistoryPro

Input & output cost per 1M tokens over time

Price history is a Pro feature

Track pricing trends and catch price drops early.

We'll email you when OpenAI: GPT-5.1-Codex-Max's price changes.

Date	Input /1M	Output /1M	Status
Sep 15, 2026	—	—	current
Sep 15, 2026	$1.2500	$10.0000	current
Sep 15, 2026	—	—	historical
Sep 14, 2026	—	—	current
Sep 14, 2026	—	—	current

Use OpenAI: GPT-5.1-Codex-Max now

Access via the provider API.

Get the weekly AI model digest

Price drops, new releases, and benchmark updates — every Sunday. Free.

Full details

OpenAI: GPT-5.1-Codex-Max →

Cheaper options

Alternatives to OpenAI: GPT-5.1-Codex-Max →

Side-by-side

Compare OpenAI: GPT-5.1-Codex-Max →