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

OpenAI's new GPT-5.3-Codex-Spark promises ultra-fast, conversational AI coding, if you can tolerate a few trade-offs.

ChatGPT-5.3 Codex & Claude Opus 4.6 Launch Offering Unmatched Coding Speed or Long Recall Depth

Claude Opus 4.6 and ChatGPT 5.3 Codex launch with a 1-million-token window and 25% faster runs, letting you match tasks to ...

The best AI chatbots of 2026: I tested ChatGPT, Copilot, and others to find the top tools around

The best AI chatbots of 2026: I tested ChatGPT, Copilot, and others to find the top tools around ...