Moving to Codex: seeking OpenAI equivalents for Claude models and comparison resources

Dense-Ship-2339 · reddit · 2026-08-14

A Reddit user has moved to Codex and wants to map their projects accurately. They list models to compare: Fable, Opus 5, Opus 4.8, Sonnet 5, Haiku, and ask for resources comparing tokens, cost, and speed.

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