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OpenAI: GPT-5.2-Codex API Pricing

OpenAI: GPT-5.2-Codex is an API model from openai. It costs $1.75 per 1M input tokens and $14 per 1M output tokens, with cached input at $0.175. Its context window is 400,000 tokens with up to 128,000 output tokens. A workload of 10M input + 2M output tokens costs about $45.5 per month.
Input
$1.75
per 1M tokens
Output
$14
per 1M tokens
Cached input
$0.175
per 1M tokens
Context window
400K
400,000 tokens
Blended (80/20)
$4.2
per 1M tokens

GPT-5.2-Codex is an upgraded version of GPT-5.1-Codex optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....

How much does OpenAI: GPT-5.2-Codex cost for a real workload?

At 10M input + 2M output tokens per month, OpenAI: GPT-5.2-Codex costs about $45.5 ($17.5 input + $28 output). Try your own volumes in the cost calculator.

What are cheaper alternatives to OpenAI: GPT-5.2-Codex?

Where to run OpenAI: GPT-5.2-Codex

AI/ML API: one API key for 400+ models, including most models tracked here · Novita AI: pay-as-you-go APIs for open models (DeepSeek, Qwen, Llama and more) plus GPU cloud. Prices there follow each platform's own catalog and can differ from the list prices tracked here.

Run it on AI/ML API →Run it on Novita AI →

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Compare OpenAI: GPT-5.2-Codex with other models

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Frequently asked questions

How much does OpenAI: GPT-5.2-Codex cost?

OpenAI: GPT-5.2-Codex costs $1.75 per 1M input tokens and $14 per 1M output tokens (list price, snapshot October 22, 2026). At 10M input + 2M output tokens per month that is about $45.5.

What is the context window of OpenAI: GPT-5.2-Codex?

OpenAI: GPT-5.2-Codex has a context window of 400,000 tokens and can return up to 128,000 output tokens per response.

What are cheaper alternatives to OpenAI: GPT-5.2-Codex?

Cheaper models include Anthropic: Claude Opus 5 (batch) ($2.5 in / $12.5 out), Anthropic: Claude Opus 4.8 (batch) ($2.5 in / $12.5 out), Anthropic: Claude Opus 4.7 (batch) ($2.5 in / $12.5 out). See the full list on this page.

Is OpenAI: GPT-5.2-Codex free to use?

No. OpenAI: GPT-5.2-Codex is a paid model at $1.75 input / $14 output per 1M tokens. 21 free models are listed on the free models page.

Provider: openai · Model ID: openai/gpt-5.2-codex · Modality: text+image->text · Price snapshot October 22, 2026, refreshed daily. How we collect prices