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Article Summaries:

  • OpenAI’s new Codex Spark model is built for speed OpenAI’s new GPT-5.3-Codex-Spark model is a bit of a departure for the company’s family of Codex software development models: its focus is squarely on reducing latency. Powered by Cerebras’ 125-petaflop Wafer Scale Engine 3, the Codex Spark model is meant for use cases where latency matters as much - or more - than intelligence. And fast it is: Codex Spark can deliver more than 1,000 tokens per second. When OpenAI launched GPT-5.3-Codex only a few days ago, it highlighted how the team was able to bring down latency by 25 percent. However, where

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