OpenAI: GPT-5.3-Codex

openrouter.ai

GPT-5.3-Codex is OpenAI’s most advanced agentic coding model, combining the frontier software engineering performance of GPT-5.2-Codex with the broader reasoning and professional knowledge capabilities of GPT-5.2. It achieves state-of-the-art results...

Description

Specs

Type	Model
Section	Models & platforms / text+image+file->text
Pricing	paid (от $1.75/mo)
Platform	Self-hosted
Systems	api, python, self-hosted
Hosting	cloud
Site language	en
Vendor	Openai
Launched	2026-02-24

Can do

text image file

Platforms

api python self-hosted

Found in sources

Similar in «Models & platforms»

Cost-efficient open-source MoE model rivaling GPT-4o in reasoning and math tasks

Open reasoning and coding models on par with the top closed ones.

European open and commercial models, Le Chat and Codestral.

Research faster with Sider AI—summarize web pages, take notes, generate reports, and chat with leading AI models. Powered by ChatGPT, Gemini, Claude, Grok, Deepseek, etc. Try the best AI sidebar now!

The hub of models and datasets: millions of weights, Spaces, Transformers.

Передовая мультимодальная AI-платформа от ByteDance с современными языковыми, визуальными и речевыми моделями, а также интегрированными возможностями рассуждения и поиска.