Retool now supports GPT 5.4 Mini, GPT 5.4 Nano, GPT 6 Astra, Claude Fable 5.1, and Gemini 3.8 Flash.
New AI models available in Retool
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September 10, 2026
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Contact usRetool now supports GPT 5.4 Mini, GPT 5.4 Nano, GPT 6 Astra, Claude Fable 5.1, and Gemini 3.8 Flash.