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Codex CLI 0.159.1 sets GPT-6.1 Sol as default model
learn.chatgpt.comagent
GPT-6.1 Sol becomes the default model in Codex CLI's bundled catalog and Amazon Bedrock Mantle and Runtime catalogs. This standardizes all new Codex CLI deployments to use the cost-effective Astra-level performer.
Stacks this affects
Codex ships in 1 tested stack here.
More Codex
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