May 9, 2026
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ChatGPT

GPT-5.3-Codex-Spark by OpenAI - real-time AI coding at 1000+ tokens per second powered by Cerebras Wafer-Scale Engine 3

OpenAI Launches GPT-5.3-Codex-Spark: Real-Time AI Coding at 1,000+ Tokens per Second, Powered by Cerebras

AI Herald04 mins

OpenAI has officially launched GPT-5.3-Codex-Spark, its first real-time coding model built for speed above all else. Powered by Cerebras‘ Wafer-Scale Engine 3, the model delivers over 1,000 tokens per second — making it roughly 15 times faster than the full GPT-5.3-Codex model. Codex-Spark is now rolling out as a research preview for ChatGPT Pro users….

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ChatGPT models compared - GPT-5.2 GPT-5 GPT-4.1 GPT-4o comparison chart and pricing breakdown for 2026

ChatGPT Models Compared: GPT-5.2, GPT-5, GPT-4.1, and More — Full Breakdown for 2026

AI Herald05 mins

OpenAI‘s model lineup has evolved rapidly, and with the release of GPT-5.2 in December 2025, the company now offers a wide range of models tailored for everything from quick lookups to deep reasoning and enterprise-grade coding. Whether you’re a developer choosing an API model or a ChatGPT subscriber wondering which model to select, this comprehensive…

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