Retell AI
4.2Phone-call AI agents at roughly 600 milliseconds of latency
Platform
AI tools that run entirely in the browser, no download required.
Phone-call AI agents at roughly 600 milliseconds of latency
Unifies customer and employee experience, with pricing tiers published openly
Reached $50M ARR in 7 months building production apps from plain language
Targets legacy Java and mainframe modernization, not just new feature code
Ships 100+ prebuilt domain agents for HR, procurement, and sales out of the box
Real browser infrastructure reaching the sites no API can touch
Combines search, scrape, and interact in one API built specifically for LLMs
Stealth browsing with automatic CAPTCHA solving and human-assisted 2FA
Rewrites AI text and checks it against seven detectors, all in one pass
Smart templates that keep your slides looking right as you edit
Turns written text directly into a relevant visual diagram
AI added to the database-that-feels-like-a-spreadsheet, since 2012
Infrastructure for building voice agents, not a voice model itself
AI slide generation that lives inside Google Slides and PowerPoint
Pay for outcomes, not licenses, with human agents blended in
Enriches every lead row with data pulled from 50-plus sources
Cold email sending infrastructure, not marketing to existing customers
Coaches how you write a cold email, rather than sending it
Actually a sales prospecting platform, not a data analytics tool
An 'AI workforce' builder that started life as a data platform
Searches across every internal company tool at once, not a notes app
A neutral interface for trying open-weight models, not one house model
A German AI content platform built around EU data rules
Story-structure templates for novels and screenplays
AI proofreading from an academic editing service
Write, publish, and get paid for serial fiction directly
Part AI writer, part managed content marketplace
Enterprise text scoring for tone, inclusivity, and compliance
Bulk brand content and programmatic SEO from one workspace
Discontinued in 2025 after four years in the market
Targets the full filmmaker workflow, not raw clip generation like Sora or Veo
ByteDance's underlying video model, accessed through Dreamina and CapCut
ByteDance's free, mobile-first editor, TikTok's sister app for editing
Transfers motion from a reference video onto an entirely different character
Google DeepMind's underlying video model, accessible via API beyond the Flow app
Alibaba's open-source model generating synchronized audio and video together
An aggregator bundling 30+ third-party models with professional NLE plugin integration
Converts PowerPoint decks directly to avatar video, with personalization at scale
A roster of AI actors built specifically for performance-marketing ad creative
Bring-your-own-AI story organizer for novelists
ByteDance's AI generation model, a sibling product to CapCut, not an editor
Google's storytelling app, formerly VideoFX, built around Veo and other models