AsOf

OpenAI · model releaseGPT-5.3-Codex-Spark

validasserted
Valid from
2026-02-12
Valid until
still holds
Published
2026-02-12
Recorded by AsOf
2026-11-02
Checked
2026-11-02 · its source page states the value and the date (its publisher's feed entry for the page)
Confidence
0.70

Sources

“Introducing GPT-5.3-Codex-Spark—our first real-time coding model. 15x faster generation, 128k context, now in research preview for ChatGPT Pro users”— what the publisher's feed entry for the page says, read 2026-11-02