OpenAI's new Spark model codes 15x faster than GPT-5.3-Codex - but there's a catch

OpenAI's new Spark model codes 15x faster than GPT-5.3-Codex - but there's a catch ...

ChatGPT 5.3 Codex Launches : 5 Things You Need to Know

OpenAI has launched GPT-5.3 Codex offering a 25% speed increase over GPT-5.2 Codex, helping developers ship code faster.
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GPT-5.3-Codex-Spark delivers ultra-fast real-time AI coding at 1,000 tokens per second

OpenAI has launched GPT-5.3-Codex-Spark, its first AI model built specifically for real-time coding, capable ...

This free MacOS app is the secret to getting more out of your local AI models

To save a prompt as a model, select the prompt from the sidebar, then click the Settings icon in the top-right of the Reins window. In the resulting pop-up, click "Save as a new model," which will ...