OpenAI Unveils Lighter Codex Model Powered by Cerebras Megachip
OpenAI on Thursday introduced a lightweight version of its agentic coding tool Codex, deepening its hardware partnership with Cerebras and signaling a sharper focus on ultra-fast AI performance. The new model, dubbed GPT-5.3-Codex-Spark, is described as a smaller, faster variant of the Codex 5.3 system launched earlier this month. DesignedContinue Reading







