Claude Code vs ChatGPT Codex: Which AI coding agent is actually better?

I tested Claude Code vs. ChatGPT Codex in a real-world bug hunt and creative CLI build — here’s which AI coding agent thinks ...
InfoQ

OpenAI Publishes Codex App Server Architecture for Unifying AI Agent Surfaces

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.

ChatGPT 5.3 Codex Launches : 5 Things You Need to Know

OpenAI has launched GPT-5.3 Codex offering a 25% speed increase over GPT-5.2 Codex, helping developers ship code faster.
eWeek

OpenAI Debuts GPT-5.3-Codex-Spark, a Near-Instant AI for Real-Time Coding

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

OpenAI Taps Cerebras for GPT-5.3 Codex Spark in Bid to Loosen Nvidia’s Grip

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

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

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