GPT-5.3-Codex-Spark may be a mouthfull, but it’s certainly fast at 1,000 Tok/s running on Nvidia rival’s CS3 accelerators
Nvidia and AMD can take a seat. On Thursday, OpenAI unveiled GPT-5.3-Codex-Spark, its first model that will run on Cerebras Systems’ dinner-place-sized AI accelerators, which feature some of the world’s fastest on-chip memory.…