AI audio platform for speech, agents, music and dubbing
Delphi records 254,322 monthly visits with -13.5% month-over-month growth and Paid pricing. Notion records 173,441,670 monthly visits with +0.1% growth and Freemium pricing.

Build a digital twin of your expertise and scale your reach
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | delphi.ai | notion.com |
| Pricing Model | Paid | Freemium |
| Monthly Visits | 254.32K (254,322) | 173.44M (173,441,670) |
| MoM Traffic Delta | -39.65K (-13.5%) | +201.2K (+0.1%) |
| Primary Market & Share | 🇺🇸 United States (34.9%) | 🇺🇸 United States (18.4%) |
| Direct Visits / mo | 167.35K | 135.18M |
| User Rating | 4.3 | 4.8 |
| Supported Platforms | Website | Website |

Build a digital twin of your expertise and scale your reach
Train an AI twin on your own words, talks, and documents so it answers in your perspective and style.
Audiences can chat in text or, on higher tiers, hold pro voice calls with your Delphi.
Embed your Delphi on your website or community, connect integrations, and build it into your own product via API.
Plans scale from 12M training words on Scaler to 20M on Scaler + API and unlimited on Immortal.

The AI workspace where teams and agents get work done together
Combine docs, wikis, projects, and databases into one structured system of record that stays linked as your content grows.
Draft, summarize, translate, and answer questions inline, or build custom agents that automate recurring workflows around the clock.
Find answers instantly across Notion and connected apps, with citations so you can verify where each answer came from.
Use relations, rollups, views, and a large template gallery to model anything from a CRM to a content calendar.
AI audio platform for speech, agents, music and dubbing
SpecialistInfinite visual canvas for brainstorming and diagramming, but less structured for text documents and wikis.
SpecialistInfinite visual canvas for brainstorming and diagramming, but less structured for text documents and wikis.

AI meeting agent that transcribes, summarises, and turns every conversation into searchable knowledge
AI meeting agent that transcribes, summarises, and turns every conversation into searchable knowledge

SpecialistPowerful enterprise-wide search and knowledge discovery across apps, but lacks Notion's flexible doc creation.
SpecialistPowerful enterprise-wide search and knowledge discovery across apps, but lacks Notion's flexible doc creation.

Chat with 30+ leading AI models in one clean, fast workspace
Chat with 30+ leading AI models in one clean, fast workspace
Generate natural, emotional AI voiceovers — and clone your own voice.
Generate natural, emotional AI voiceovers — and clone your own voice.

Real-time AI voice changer, cloning and voice agents
Real-time AI voice changer, cloning and voice agents
Superior block-based typography and mobile note-taking experience, but fewer robust database and automation features.
Superior block-based typography and mobile note-taking experience, but fewer robust database and automation features.

SpecialistExcellent developer-focused documentation and Git synchronization, but lacks general database and task management.
SpecialistExcellent developer-focused documentation and Git synchronization, but lacks general database and task management.
Built-in AI agents and automated workflows, but less refined document editing interface.
Build natural AI voices, voice agents, and dubbing in one platform
Build natural AI voices, voice agents, and dubbing in one platform
All-in-one AI voice studio for voiceovers, cloning, and audio cleanup
All-in-one AI voice studio for voiceovers, cloning, and audio cleanup