OpenAI calls the new coding tool the "first milestone" in its relationship with the chipmaker.

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

OpenAI is pitching GPT-5.3-Codex as a long-running “agent,” not just a code helper: The company says the model combines GPT-5 ...

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 ...

“Codex-Spark is the first step toward a Codex that works in two complementary modes: real-time collaboration when you want ...

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

OpenAI has recently published a detailed architecture description of the Codex App Server, a bidirectional protocol that decouples the Codex coding agent's core logic from its various client surfaces.

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

Codex will remain free, and Deep Research just got better ...

OpenAI has launched GPT-5.3-Codex-Spark, a lightweight real-time coding model that promises faster output, lower latency, and ...

Opus AI performance for coding, computer use, and agents at Sonnet pricing ($3/$15 per million tokens), reshaping enterprise automation economics with a 1M-token context window and stronger ...

OpenAI ChatGPT website displayed on a laptop screen is seen in this illustration photo taken in Krakow, Poland on September ...