What are the key differences between Semos and Retro?

Compare Semos and Retro side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are Semos and Retro scored?

Semos has an AI score of 7.55/10 and Retro has an AI score of 7.85/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

Semos vs Retro 2026 - Compared

Semos

Retro

WINNER Retro

Retro edges ahead with a score of 7.9/10 compared to 7.6/10 for Semos. While both are highly rated in their respective f...

Retro edges ahead with a score of 7.9/10 compared to 7.6/10 for Semos. While both are highly rated in their respective fields, Retro demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Retro

verified Confidence: Low

description Overview

Semos

Semos was a nine-year-old male rhesus macaque residing at the Oregon National Primate Research Center. In 2007, scientists led by Shoukhrat Mitalipov successfully utilized Semos's skin cells to create cloned embryonic stem cells. This marked the first time primate embryonic stem cells were extracted from a cloned monkey embryo, representing a significant milestone in stem cell research.

Retro

Retro is a rhesus macaque monkey born in July 2020 who was announced by Chinese researchers in early 2024 as the first healthy cloned rhesus macaque to survive to adulthood. Retro was created using somatic cell nuclear transfer (SCNT), the same technique used to clone Dolly the sheep. The research team, led by scientists at the Chinese Academy of Sciences in Shanghai, modified the technique by cul...