Delphi

Delphi

Delphi AI (Delphi Technologies, Inc.) · Voice & Language · Chatbot

Delphi builds a digital mind from your books, talks, and videos, then trains it to answer in your tone. Fans chat or call it any time, and you stop repeating advice.

Interface preview of Delphi

About Delphi

What Is Delphi

Delphi is a platform for turning one person's knowledge into an AI assistant that other people can call, text, or video chat with. You feed it what you've already made, such as books, podcast episodes, YouTube videos, blog posts, and social accounts. Delphi indexes that material and builds a "Digital Mind" that answers questions the way you would.

The company started in November 2022 with founders Dara Ladjevardian and Sam Spelsberg, and the story behind it is personal. Ladjevardian wanted advice from his grandfather, a businessman who had a stroke and could no longer talk at length. He built a digital version of him from the memoir. Delphi grew out of that experiment, and its public language has shifted from "AI clone" to "digital mind" over time.

The obvious limits matter before you buy. Voice quality depends on a short sample you record, so regional accents and unusual speech patterns do not always carry over. API access is reserved for the Immortal plan, which has custom pricing. And the places you can embed the bot are counted per plan, from none on the free plan to ten on Scaler.

Getting Started

  1. Sign up at delphi.ai and start the onboarding flow for your first Digital Mind, which is free.
  2. Connect sources: upload documents, link your website, or connect social accounts and video channels.
  3. Answer the short set of questions about how you think and how you would respond to common topics, then record a 10-second audio sample for your voice.
  4. Review the generated responses and edit anything that sounds off, since the bot imitates your phrasing closely.
  5. Publish the mind, share its link, and embed it on your site if your plan includes embedding slots.

Product Information

A quick look at Delphi's pricing, supported platforms, and performance.

Free PlanYes
Paid Plans$0 - $299/mo
PlatformWeb browser, embeddable widget, SMS, WhatsApp, Slack (paid plans)
DeveloperDelphi AI (Delphi Technologies, Inc.)
CategoryVoice & Language · Chatbot
Release DateNov 2022
Latest UpdatedOct 2025
Website Visits314.7K
Website Global Rank119.1K
API AvailabilityYes

Best for

The users, tasks, and scenarios where this tool fits best.

Users

  • Coaches and consultants who answer the same questions all week
  • Authors and podcast hosts with a large back catalog
  • Public speakers and creators who get direct messages they cannot keep up with

Tasks

  • Answering audience questions 24/7
  • Turning existing content into a conversational entry point
  • Capturing leads and recommending products
  • Collecting questions you get asked repeatedly

Scenarios

  • Running a membership site or course with limited support hours
  • Launching a book or course
  • Keeping a family story or a mentor's thinking available

Key features

Training on Content You Already Own

You don't write prompts from scratch. Delphi takes documents, websites, videos, podcast feeds, and social posts, and builds the mind from what's already out there. Once connected, it keeps pulling in new material, so recent episodes and posts show up in answers without manual updates.

Tone and Voice Matching

The onboarding asks a short round of questions to close gaps in how you respond, and a 10-second recording gives the mind your voice. If your writing has a dry sense of humor or a habit of hedging, that carries into the replies. The result is a bot that reads like a careful imitation rather than a generic assistant. Call it an AI clone, an AI digital twin, or a voice chatbot: the point is that it sounds like the person, not like a product demo.

Chat, Voice Calls, and Video Chat

Visitors can talk to the mind in several formats depending on their comfort level. Paid plans open voice calling, and the top plan adds Pro Voice Calling. Text chat stays available on every plan, which makes the free plan usable as a test before you commit.

40+ Languages

The mind answers in more than 40 languages, according to Delphi. That matters for creators whose audience is scattered across regions, since one knowledge base serves all of them. It also means a Spanish-speaking follower can get an answer without waiting for a translated post.

Embeds, Slack, and SMS Distribution

Embedding slots are sold by plan: none on Free, two on Builder, ten on Scaler, and unlimited on Immortal. Scaler adds Slack integration, and Immortal adds SMS and WhatsApp, so the mind can meet an audience where they already chat. Each channel keeps the same knowledge and tone.

Analytics and Product Recommendations

Paid plans include custom alerts and product recommendations, and the dashboard shows how conversations evolve. You can see which questions come up most and where readers drop off. For anyone selling a course or a service, that data points to what to promote next.

Pros and cons

Pros

  • Building the first mind is free, so you can test tone matching with your own content before paying.
  • Training pulls from existing work, which means no new content to produce for launch.
  • Voice calling plus chat covers both audience types: people who read and people who would rather talk.
  • 40+ languages let one knowledge base serve an international audience.
  • Product recommendations and alerts on Scaler turn conversations into a sales channel.

Cons

  • API access is limited to Immortal with custom pricing, so developers on Builder or Scaler can't build integrations.
  • The free plan offers no embedding slots, which limits it to a single shareable link.
  • Training words are capped at 1M on Builder, 5M on Scaler, and 12M on Immortal, so a large back catalog can hit the ceiling fast.
  • Voice matching from a 10-second sample will not suit everyone, and accents or speech quirks may not come through.

Frequently asked questions

Delphi creates an AI version of you that other people can talk to. It learns from your books, videos, podcasts, and posts, then answers questions in your tone and voice. Creators, coaches, and consultants use it to handle audience questions without answering each one personally.