# ChatRound

> Ask once. Compare answers from multiple AI models and quickly understand their differences and key takeaways.

ChatRound compares GPT, Claude, Gemini, Grok, DeepSeek, GLM, Kimi, and Qwen in one place, with automatic summaries and optional targeted follow-ups. It supports a free allowance, a Pro plan billed monthly or annually, or unlimited bring-your-own-key usage through OpenRouter or a custom endpoint.

## Product

- [ChatRound](https://chatround.ai/): Product overview, answer comparison, pricing, model access, security, and frequently asked questions.
- [AI model comparison examples](https://chatround.ai/examples): Public, owner-approved rounds showing multiple models answering the same question.

## Models

- [OpenAI models](https://chatround.ai/llms-full.txt#openai): GPT-6 Astra, GPT-5.6 Sol, GPT-5.6 Terra, GPT-5.6 Luna, GPT-5.4 Nano.
- [Anthropic models](https://chatround.ai/llms-full.txt#anthropic): Claude Fable 5.1, Claude Opus 5, Claude Sonnet 5, Claude Haiku 4.5.
- [Google models](https://chatround.ai/llms-full.txt#google): Gemini 3.1 Pro, Gemini 3.8 Flash, Gemini 3.5 Flash-Lite, Gemini 2.5 Flash-Lite.
- [xAI models](https://chatround.ai/llms-full.txt#xai): Grok 4.6, Grok 4.3, Grok 4.20.
- [DeepSeek models](https://chatround.ai/llms-full.txt#deepseek): DeepSeek V4 Pro 0813, DeepSeek V4 Flash 0731.
- [GLM models](https://chatround.ai/llms-full.txt#glm): GLM-5.3, GLM-5V Turbo, GLM-4.7, GLM-5.3 Flash.
- [Kimi models](https://chatround.ai/llms-full.txt#kimi): Kimi K3, Kimi K2.6, Kimi K2 Thinking.
- [Qwen models](https://chatround.ai/llms-full.txt#qwen): Qwen3.8 Max 0902, Qwen3.7 Plus, Qwen3.8 Flash, Qwen3.5 9B.

Legacy conversation support: Claude Fable 5, Gemini 3.6 Flash, Grok 4.5, DeepSeek V4 Pro, DeepSeek V4 Flash, GLM-5.2, GLM-4.7 Flash, Qwen3.7 Max, Qwen3.6 Flash. These are retained for old conversations and are not new-conversation choices.

## Languages

- [Simplified Chinese](https://chatround.ai/zh-CN): 简体中文产品页。
- [Japanese](https://chatround.ai/ja): 日本語の製品ページ。
- [Korean](https://chatround.ai/ko): 한국어 제품 페이지.
- [Spanish](https://chatround.ai/es): Página del producto en español.
- [Brazilian Portuguese](https://chatround.ai/pt-BR): Página do produto em português do Brasil.

## Documentation

- [Full product documentation](https://chatround.ai/llms-full.txt): Answer and follow-up flow, summary behavior, supported models and capabilities, attachments, search, languages, billing options, and architecture.