GPT-5.3-Codex-Spark: Why 1000 tok/s Does Not Mean 15x Faster Coding
OpenAI’s GPT-5.3-Codex-Spark launch on February 12, 2026 created a predictable reaction cycle: huge attention on raw speed, fast demos, and immediate claims that …
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GPT-5.3-Codex-Spark: Where Ultra-Low Latency Actually Wins
OpenAI introduced GPT-5.3-Codex-Spark on February 12, 2026 with one headline that stands out: first-party API latency above 1000 tokens per second. For developers …