OpenAI

OpenAI: GPT-5.2 Codex

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openai/gpt-5.2-codex
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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. The model supports building projects from scratch, feature development, debugging, large-scale refactoring, and code review. Compared to GPT-5.1-Codex, 5.2-Codex is more steerable, adheres closely to developer instructions, and produces cleaner, higher-quality code outputs. Reasoning effort can be adjusted with the reasoning.effort parameter.

Context Window
512K
Max Output Tokens
128K
Released
2026-01-14
Capabilities
VisionFunction CallingReasoningPrompt CachingWeb SearchAudio InputVideo Input
Available Providers
AzureAzure
Supported Protocols
OpenAIopenai

Providers

AzureAzure
Input Tokens
$1.75/M
Output Tokens
$14/M
Cache Read
$0.18/M
Web Search
$0.01/R
Protocols
OpenAIopenai/v1/chat/completions/v1/responses

Code Examples

from openai import OpenAI


client = OpenAI(
    base_url="https://api.ofox.io/v1",
    api_key="YOUR_OFOX_API_KEY",
)


response = client.chat.completions.create(
    model="openai/gpt-5.2-codex",
    messages=[
        {"role": "user", "content": "Hello!"}
    ],
)


print(response.choices[0].message.content)

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Frequently Asked Questions

OpenAI: GPT-5.2 Codex on Ofox.ai costs $1.75/M per million input tokens and $14/M per million output tokens. Pay-as-you-go, no monthly fees.