“Codex-Spark is the first step toward a Codex that works in two complementary modes: real-time collaboration when you want rapid iteration, and long-running tasks when you need deeper reasoning and ...

GPT‑5.3‑Codex‑Spark releases with ultra-fast coding and 128k context window, redefining interactive development for ChatGPT ...

OpenAI's new Spark model codes 15x faster than GPT-5.3-Codex - but there's a catch ...

Is GPT-5.3 Codex the fantastic option developers have been waiting for? With its lightning-fast execution, a staggering 400K token context window, and unparalleled efficiency, OpenAI’s latest model is ...

OpenAI launches GPT-5.3 Codex Spark powered by Cerebras chips, signaling a shift from Nvidia reliance and intensifying the AI infrastructure race.

The company says its latest model’s agentic skills also apply to a broader set of knowledge work such as presentations and spreadsheets. On Thursday, OpenAI released GPT-5.3-Codex, a new model that ...

OpenAI on Wednesday released GPT-5.3-Codex, which the company calls its most capable coding agent to date, in an announcement timed to land at the exact same moment Anthropic unveiled its own flagship ...

OpenAI has launched GPT-5.3-Codex-Spark, its first AI model built specifically for real-time coding, capable ...

OpenAI has launched a new AI model called GPT-5.3 Codex, along with a new enterprise platform named Frontier. All you need to know.

Spark, a lightweight real-time coding model powered by Cerebras hardware and optimized for ultra-low latency performance.

ChatGPT Pro subscribers can try the ultra-low-latency model by updating to the latest versions of the Codex app, CLI, and VS Code extension. OpenAI is also making Codex-Spark available via the API to ...