Merlin offers an AI chat interface for accessing models such as ChatGPT and Gemini to research, write, code, and create images.
Direct
vsArena
Direct vs Arena
How do Direct and Arena compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Direct | Arena |
|---|---|---|
| What it is | Direct lets you prompt multiple open-source and proprietary language models in one place for research, coding, and creative tasks. | Arena lets users prompt multiple frontier AI models in one place for research, coding, and creative tasks. |
| Website | ||
| Type | Website | Online tool |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Web | Web |
| Open source | Not stated | Not stated |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both Direct and Arena.
AI Assistant provides users with chat access to more than 30 different AI models.
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Intelli builds chatbots and agents from user-defined intents and model choices.
Open source
24 alternativesChatHelp.ai offers a business, work, and study assistant, a website chat widget, and curated AI tools and agents.
alphaXiv helps users discover, read, and discuss arXiv papers, with research answers grounded in the underlying work.






