OpenAI: GPT-5.2 Codex
Chat-20%openai/gpt-5.2-codexGPT-5.2 Codex is OpenAI's upgraded Codex model for software engineering and coding workflows, released on 2026-01-14. It is built for both interactive development sessions and long, independent execution of complex engineering tasks, covering projects built from scratch, feature development, debugging, large-scale refactoring, and code review. Compared with GPT-5.1-Codex it is more steerable, adheres closely to developer instructions, and produces cleaner, higher-quality code; reasoning effort can be tuned with the reasoning.effort parameter. It also supports tool use, prompt caching, web search, and image, audio, and video input. Context window: 512K tokens, output: 128K. Accessible via the OpenAI-compatible protocol.
Context Window
512K
Max Output Tokens
128K
Released
2026-01-14
Capabilities
VisionFunction CallingReasoningPrompt CachingWeb SearchAudio InputVideo Input
Available Providers
Azure
Supported Protocols
openai
Providers
Azure
-20%Input Tokens
$1.4/M
$1.75/M
Output Tokens
$11.2/M
$14/M
Cache Read
$0.144/M
$0.18/M
Web Search
$0.035/R
Protocols
openai
/v1/responsesCode Examples
from openai import OpenAIclient = OpenAI(base_url="https://api.ofox.ai/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)
Related Models
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.
OpenAI: GPT-5.2 Codex supports a context window of 512K tokens with max output of 128K tokens, allowing you to process large documents and maintain long conversations.
Simply set your base URL to https://api.ofox.ai/v1 and use your Ofox API key. The API is OpenAI-compatible — just change the base URL and API key in your existing code.
OpenAI: GPT-5.2 Codex supports the following capabilities: Vision, Function Calling, Reasoning, Prompt Caching, Web Search, Audio Input, Video Input. Access all features through the Ofox.ai unified API.