GPT-4o / Claude 3.5 Sonnet / Proprietary layout models
Proprietary Video/Audio Models
Model Provider
OpenAI / Anthropic
Synthesia
Context Window
100000 tokens
N/A
Company
Gamma Tech, Inc.
Synthesia Ltd.
HQ
United States
United Kingdom
Founded
2020
2017
Funding Stage
Seed
Series c
Total Funding
$7 million raised
$156.6 million raised
Overall Rating
4.9 ★ (8400 reviews)
4.8 ★ (4120 reviews)
Our Verdict
Gamma and Synthesia are both strong tools
with different strengths.
Based on 8400 user reviews, Gamma has a
higher rating of 4.9/5.
Overall, Gamma edges ahead in this comparison —
but we recommend trying both using free trials before deciding.