This comparison is based on published official documentation. It is not a hands-on test or a quality ranking. Unknown features are not treated as verified.
ChatGPT is a general-purpose assistant for drafting, brainstorming and explaining concepts. Start with a small task; check plan coverage for chat, files and advanced work features separately.
Shared requirement: AI Chat Assistants · AI Writing Assistants
Same platform: Website → Website
Differences in documented information
No difference in recorded features; limits and sources still need separate review.
Check AI answers against their sources. Review account permissions and data settings before sharing private files or connections. Check the official page for current quotas and output conditions.
Claude helps with text, documents and code. Before assigning a long task, define the deliverable and review steps; access to connected apps and local computer files has different requirements.
Shared requirement: AI Chat Assistants · AI Writing Assistants
Same platform: Website → Website
Differences in documented information
No difference in recorded features; limits and sources still need separate review.
Check AI answers against their sources. Review account permissions and data settings before sharing private files or connections. Check the official page for current quotas and output conditions.
Gemini is Google's assistant for writing, learning and asking about uploaded content. Start by checking your Google account type, connected-app permissions and the features available on your device.
Shared requirement: AI Chat Assistants · AI Writing Assistants
Same platform: Website → Website
Differences in documented information
No difference in recorded features; limits and sources still need separate review.
Check AI answers against their sources. Review account permissions and data settings before sharing private files or connections. Check the official page for current quotas and output conditions.
Grok brings chat, web and X research, and creative tasks into one service. For current events, distinguish social posts from primary sources and check plan requirements for higher usage and advanced modes.
Shared requirement: AI Chat Assistants · AI Writing Assistants
Same platform: Website → Website
Differences in documented information
No difference in recorded features; limits and sources still need separate review.
Check AI answers against their sources. Review account permissions and data settings before sharing private files or connections. Check the official page for current quotas and output conditions.
Mistral Vibe continues the former Le Chat experience with chat and work tasks. Start with a draft or research question; assess chat access, coding tools and connected work data separately.
Shared requirement: AI Chat Assistants · AI Writing Assistants
Same platform: Website → Website
Differences in documented information
No difference in recorded features; limits and sources still need separate review.
Check AI answers against their sources. Review account permissions and data settings before sharing private files or connections. Check the official page for current quotas and output conditions.
DeepSeek's web chat is an entry point for AI questions and answers. Distinguish the chat product from its developer API; check your interface rather than assuming every announced model feature is enabled on your account.
Shared requirement: AI Chat Assistants
Same platform: Website → Website
Differences in documented information
No difference in recorded features; limits and sources still need separate review.
Check AI answers against their sources. Review account permissions and data settings before sharing private files or connections. Check the official page for current quotas and output conditions.
Google AI Studio is a browser workspace for experimenting with Gemini prompts and building application prototypes from natural-language instructions.
Shared requirement: AI Chat Assistants
Same platform: Website → Website
Differences in documented information
No difference in recorded features; limits and sources still need separate review.
Check AI answers against their sources. Review account permissions and data settings before sharing private files or connections. Check the official page for current quotas and output conditions.
Manus is a web AI tool for researching topics, analyzing data and preparing structured reports.
Shared requirement: AI Writing Assistants
Same platform: Website → Website
Differences in documented information
No difference in recorded features; limits and sources still need separate review.
Check AI answers against their sources. Review account permissions and data settings before sharing private files or connections. Check the official page for current quotas and output conditions.
You can start a web conversation with Microsoft Copilot. Assess personal access separately from Microsoft 365 work features; company data, app connections and some tasks depend on account or licence conditions.
Shared requirement: AI Chat Assistants
Same platform: Website → Website
Differences in documented information
No difference in recorded features; limits and sources still need separate review.
Check AI answers against their sources. Review account permissions and data settings before sharing private files or connections. Check the official page for current quotas and output conditions.
Perplexity combines web research with answers containing source links. It can be a starting point for an unfamiliar topic; check whether each link supports the claim and whether its date fits your question.
Shared requirement: AI Chat Assistants
Same platform: Website → Website
Differences in documented information
No difference in recorded features; limits and sources still need separate review.
Check AI answers against their sources. Review account permissions and data settings before sharing private files or connections. Check the official page for current quotas and output conditions.