5 custom ChatGPT instructions I use to get better AI results - faster ...
OpenAI's new Spark model codes 15x faster than GPT-5.3-Codex - but there's a catch ...
Spark, a lightweight real-time coding model powered by Cerebras hardware and optimized for ultra-low latency performance.
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.