# Synthesia: what AI models say (September 2026)

Source: Memetik Index, https://www.memetik.ai/vendors/synthesia
Website: https://www.synthesia.io

Synthesia was named in 69 of 100 AI answers across 2 categories. Best position: AI avatar video, 100% answer share, ranked #2, named first in 4%.

## What Synthesia is

Synthesia is an AI video platform for business teams that train, market, and sell. It creates video content for internal and external business communication, with custom pricing available.

Teams write a script and use avatars to create videos in which the avatars speak the supplied text. Synthesia can also turn decks, PDFs and websites into videos using AI. It translates videos into more than 80 languages, and provides viewing data including video views, watch time, engagement and clicks.

Pricing: Custom pricing is available.
(From Synthesia's own website, read 2026-09-02.)

## By category

| Category | Rank | Answer share | Named first | Models |
|---|---|---|---|---|
| AI avatar video (https://www.memetik.ai/index/ai-avatars) | #2 of 15 | 100% | 4% | GPT-5.6 Sol, ChatGPT, GPT-5.6 Luna, Claude Opus 5, Claude, Claude Fable 5, Gemini, Gemini 3.5 Flash, Perplexity, Sonar Reasoning Pro |
| AI video generation (https://www.memetik.ai/index/ai-video-generation) | #7 of 16 | 38% | 0% | GPT-5.6 Sol, GPT-5.6 Luna, Claude Opus 5, Claude Fable 5, Gemini, Gemini 3.5 Flash, Perplexity, Sonar Reasoning Pro |

## What the models said

> "Choose Synthesia instead if… You’re producing training, internal communications, courses, or polished corporate explainers."
> — GPT-5.6 Sol, AI avatar video

> "Choose Synthesia if you need a library of polished, diverse, suit-and-tie presenters for standard corporate compliance videos."
> — Gemini 3.5 Flash, AI avatar video

> "Choose Synthesia if you’re in HR, L&D, compliance, or enterprise communications and need repeatable, governed production at scale."
> — Sonar Reasoning Pro, AI avatar video

> "Choose Synthesia if this is for a company, compliance-sensitive organization, or large training program."
> — GPT-5.6 Luna, AI avatar video