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You can select conversation models such as GPT-6 and Claude Opus 5.5, or choose [Carat 2.0 (Auto)(캐럿 2.0 (Auto))] to let Carat pick a model for each task. Access depends on your account’s plan. Free accounts chat with Carat 2.0 Lite. Lite is only for free accounts and is not offered to paid subscribers. Other models may appear in the list, but if selecting one opens a subscription page, your current plan does not provide access to it. On the web, click the current conversation model name in the chat input area to open the list. See Conversation model selection for the current options, how Auto works, and selection instructions. Conversation models are separate from image, video, and audio generation models. Choosing GPT or Claude for conversation does not fix the generation model. Ask the agent for a specific generation model or select one in the Generator(생성기). For video, the default Carat video model (LTX 2.5) generates without credit deduction on accounts that hold the Carat Video unlimited benefit (Pro plan, Premium signups on or after Feb 25, 2026, Max signups on or after May 22, 2026). The free plan and the Plus plan are not eligible, so credits are deducted. External video models (such as Seedance 2.0) deduct credits per model. One exception: Seedance 2.0 mini is unlimited on Premium, Max, and Pro accounts that subscribed or upgraded to annual during the promotion window, for a set period from the payment date (1 day on Premium, 3 days on Max, 7 days on Pro), and credits are deducted once that period ends. To create videos without limits, ask the agent to “Use Carat Basic Video (LTX 2.5)”.