Percentage of email recipients who open a marketing or product email.
Unique Opens / Emails Delivered × 100
Higher is better · Unit: percentage
How to Improve
Segment lists by engagement level and personalize subject lines with recipient data. Send at optimal times based on timezone and past open behavior. Remove inactive subscribers quarterly.
Ehsan's Analysis
At Series C stage, AI/ML companies should benchmark against their own trailing 90-day performance, not industry medians. The absolute number matters less than the trajectory. I have funded companies with below-median metrics that showed consistent 8% monthly improvement over companies with better absolute numbers but flat trajectories. Velocity of improvement is the signal.
EJ
Ehsan Jahandarpour
AI Growth Strategist & Fractional CMO
Forbes Top 20 Growth Hacker · TEDx Speaker · 716 Academic Citations · Ex-Microsoft · CMO at FirstWave (ASX:FCT) · Forbes Communications Council
Frequently Asked Questions
What is a good Email Open Rate for AI/ML at Series C?
Median is 26.4%. Top-quartile achieves 30.3%. Aim for top-quartile to attract investors.
How does Freemium model affect Email Open Rate?
The Freemium business model impacts this metric through pricing mechanics and customer behavior patterns. Benchmark against companies with the same model for accurate comparison.
How to improve Email Open Rate?
Focus on the primary driver for your stage. At Series C, the biggest lever is usually operational efficiency and product-market fit refinement.