OpenAI Releases GPT-5.3-Codex-Spark Research Preview: 15x Faster AI Code Model Delivers Over 1000 Tokens per Second on Cerebras Hardware
OpenAI recently launched a new preview called GPT-5.3 Codex-Spark. This model is designed for 1 thing: high speed. While the standard GPT-5.3 Codex focuses on deep thinking, Spark is designed for close response times. It is the result of deep software-software integration between OpenAI and Cerebras. The results are game changing. The Spark 15x faster … Read more