The Quick Verdict: Notion's Clear Lead
Notion was named in 21% of project management questions posed to leading AI assistants on June 4, 2026, significantly outpacing Todoist's 9%. This data, drawn from 320 measured project management questions across eight AI assistants, establishes a distinct overall preference. The two tools compete in a broad category, but the AI responses indicate a stronger digital presence and broader applicability for Notion in the minds of these models.
This 12-percentage-point difference suggests that AI assistants more frequently associate Notion with a wider array of project management scenarios. It's not just a slight edge; it's a consistent pattern across numerous queries. The disparity points to how these AI systems categorize and retrieve information about complex software solutions, favoring the more versatile option in general contexts.
How AI Assistants Formulate Recommendations
AI assistants generate their recommendations by drawing on the immense datasets they're trained on. This training data comprises a vast array of internet text, including product reviews, technical articles, user forums, official documentation, and news pieces. The frequency with which a tool appears in this data, and the contexts in which it's discussed, directly influence how often and for what purpose an AI assistant suggests it.
When a user asks a question about project management, the AI processes the query, identifies relevant keywords and intents, and then matches these against its internal knowledge base. A tool like Notion, which often serves as an all-in-one workspace for notes, docs, and project tracking, likely has a broader textual footprint. Its versatility means it gets discussed in more varied contexts, leading to its higher overall recommendation rate compared to a more specialized task manager like Todoist.
Assistant Divergence: Who Prefers Which Tool
Claude exhibited the strongest preference for Notion, naming it 43% of the time versus Todoist's 13%. This substantial gap suggests that Claude's training data heavily links Notion to comprehensive project management solutions. Cohere also showed a strong lean, recommending Notion 35% of the time and Todoist 10%, indicating a similar informational bias within its knowledge base.
Mistral and Perplexity followed a similar trend, though with narrower margins. Mistral cited Notion in 25% of cases and Todoist in 10%, while Perplexity named Notion 23% of the time and Todoist 10%. DeepSeek's preference was even closer, with Notion at 21% and Todoist at 13%. These patterns suggest these assistants generally see Notion as a more fitting answer for a broader range of project management inquiries.
ChatGPT and Grok also favored Notion, albeit with lower overall recommendation rates for both tools. ChatGPT named Notion 13% of the time and Todoist 5%, while Grok cited Notion 10% and Todoist 5%. Gemini was the sole outlier; it recommended Todoist 5% of the time and Notion only 3%. This reversal, coupled with very low overall mentions for both tools by Gemini, suggests a unique weighting or less extensive coverage of these specific tools in its training data relative to other assistants.
What Each Tool is Cited For
The types of questions posed to AI assistants offer insight into why Notion and Todoist appear at their respective rates. Notion's higher overall recommendation rate likely reflects its positioning as a highly flexible, customizable platform. Questions like “What are some highly visual project management software options, like kanban boards?” or “I need project management software for a small team of 10 people” often align with Notion's adaptable database and page structures. Its ability to integrate various project views and serve as a central hub for diverse information makes it a strong candidate for many varied requests.
Todoist, with its 9% overall share, likely comes up for more focused task management needs. Questions such as “What are good project management tools for a solo freelancer?” or “Are there any truly free project management software options that are still effective?” fit Todoist's strengths. It's known for its straightforward task lists, ease of use, and effective free tier. While Notion can also serve freelancers, Todoist's simplicity for pure task tracking often makes it a go-to for individuals or teams prioritizing clear, actionable to-do lists over complex project structures.
How a Buyer Should Choose Based on AI Insights
For buyers, the differing recommendation patterns across AI assistants suggest varied strengths and ideal use cases. If an AI assistant frequently recommends Notion, it implies Notion is often seen as a comprehensive, adaptable tool. Buyers needing an all-in-one workspace, extensive customizability, and diverse project views—from kanban boards to detailed databases—should consider Notion. It's a strong contender for teams that need to manage documents, wikis, and projects in one interconnected system.
Conversely, when AI assistants suggest Todoist, it points to a simpler, task-focused approach. Buyers prioritizing straightforward task lists, quick task capture, and effective personal or small-team to-do management might find Todoist a better fit. Its strength lies in its ability to keep tasks organized without overwhelming complexity. For those who value ease of use and a clear focus on actionable items, Todoist remains a powerful option, as evidenced by its consistent, if lower, presence in AI recommendations.
What It Takes to Show Up in AI Answers
A tool's visibility in AI assistant responses doesn't happen by chance; it's a reflection of its digital footprint and how well its features align with common user queries. High search volume, extensive online documentation, popular reviews, and active community discussions all contribute to a tool's presence in training data. Notion's broad appeal as a versatile workspace likely generates a larger and more varied body of online content, increasing its chances of being recommended for a wider range of project management questions.
Tools that are versatile and can be applied to many different scenarios, like Notion's database capabilities for various project types, tend to appear more often because they fit a broader range of queries. Niche or highly specialized tools, or those with less public discussion, will naturally appear less frequently. Consistent branding and clear communication of features also play a role in how effectively an AI assistant can match a tool to a user's stated need, influencing its ranking in recommendations.