Introducing GPT-5.3-Codex-Spark

kept by eddie feb 13

OpenAI releases GPT-5.3-Codex-Spark, a real-time coding model with 1000+ tokens per second via Cerebras hardware, available in research preview for ChatGPT Pro users.

Two different tricks for fast LLM inference
Anthropic's fast mode uses low-batch-size inference on the full model, while OpenAI's uses a smaller distilled model on Cerebras chips for much higher speed.
also on GPT-5.3-Codex-Spark, Cerebras, OpenAI, #ai-coding, #developer-tools
Software engineering at a proprietary trading company: Optiver
Optiver, a proprietary trading firm, has evolved from latency-focused trading to AI-driven models, building custom hardware and full-stack systems while maintaining high engineering ownership and risk-averse speed.
also on Cerebras, #generative-ai, OpenAI, #ai-coding, #developer-tools
AI Retrospective, Predictions
AI is shifting from chat interfaces to asynchronous agents and lower latency, reshaping software engineering, SaaS, and white-collar work.
also on Cerebras, OpenAI, #developer-tools