T3 Chat (https://t3.chat/) brings together several language models within a chatbot-like interface. Text and code generation.

The tool allows you to switch between different models during the same iteration.

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In the free version, three models are available without an account: Gemini 3.5 Flash Lite, Gemimi 3 Flash and Kimi K2 without web search or reasoning. Number of credits not specified and not reached during testing. Optional account to keep history.