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GPT‐5.3‐Codex — forck.live

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Amp· AmpModel update

GPT‐5.3‐Codex

Amp announced that GPT-5.3-Codex now powers its deep mode, claiming it is better than GPT-5.2-Codex in every dimension.

From the source
GPT-5.3-Codex now powers Amp's deep mode.
ampcode.com

Visit source ↗ampcode.com

ModelsGPT-5.2-Codex GPT-5.3-Codex

Announced: 19 Feb 2026
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