GPT-5.3-Codex-Spark Review 2026: OpenAI’s 1,000+ Token/s Coding Model on Cerebras Hardware
You’re mid-flow, refactoring a React component, and the AI assistant you’re relying on takes eight seconds to suggest a one-line fix. By the time the response appears, you’ve already lost the thread. You tab over to check Slack. Maybe open Twitter. The edit was trivial — the wait wasn’t. That friction, multiplied across hundreds […]









