Introducing GPT‑5.3‑Codex‑Spark
Read OriginalOpenAI, in partnership with Cerebras, announces GPT-5.3-Codex-Spark, a smaller, faster version of GPT-5.3-Codex designed for real-time coding. The model features a 128k context window, is text-only, and claims speeds of up to 1,000 tokens/second, enabling developers to maintain flow state during iterative coding sessions. The article details performance comparisons and potential use cases, though pricing remains unconfirmed.
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