Simile Raises $100M Series A to Build AI That Predicts Human Behavior

Simile Raises $100M Series A

AI startup Simile raised $100 million in a Series A round led by Index Ventures, with Bain Capital Ventures, A*, and Hanabi Capital participating.

Top AI Researchers Invest

Notable AI figures joined as individual investors:

• Fei-Fei Li: Director of Stanford's Human-Centered AI Institute, creator of ImageNet
• Andrej Karpathy: Former Tesla AI Director and OpenAI researcher

Their participation signals confidence in Simile's technical approach.

Predicting Human Behavior: A New AI Frontier

Simile takes a different approach from mainstream LLMs. Rather than text generation or coding, it builds AI models specialized in predicting human behavior, helping companies anticipate customer choices before they happen.

Application Areas

Human behavior prediction AI is expected to be applied in:

• E-commerce: Purchase decision prediction and personalized recommendations
• Advertising: Target audience behavior pattern analysis
• Finance: Consumer behavior-based risk assessment
• Healthcare: Patient behavior prediction for preventive medicine

One of the Largest Series A Rounds

A $100M Series A is among the largest for 2026 AI startups, reflecting high investor expectations for this novel AI application area focused on human behavioral prediction.

Source: Bloomberg