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Pairing Claude Code and Codex Tasks With Model and Effort Presets

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A developer guide proposes assigning a model and effort level to each category of coding work so that users avoid overspending on simple tasks and underpowered runs on hard ones. Anthropic's cost guidance warns that long uncleared sessions and Opus left as the default are common sources of unexpectedly high Claude Code bills. Haiku output is priced far below Opus, so routing routine work to smaller models yields large savings. The author maps three named presets, chore, feature and deep, to specific Claude Code and Codex models and reasoning-effort settings, following each vendor's own recommendations. The piece also notes that Codex profile configuration changed in version 0.134.0, moving from tables in config.toml to separate profile files.

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Pairing Claude Code and Codex Tasks With Model and Effort Presets · ShortSingh