IntermediateBusiness~10 min
The 50% Open Rate Email
Write a cold outreach email with a subject line and first sentence engineered to achieve 50%+ open rate among enterprise CTOs.
Skills Tested
Email copywritingConstraint stackingPersuasion mechanics
Challenge Prompt
This is the example prompt structure. Write your own variation below.
Write a cold email to a Fortune 500 CTO selling a DevOps cost-reduction tool. Requirements: (1) subject line under 7 words, no question marks, (2) first sentence references a specific pain point without generic "I hope this finds you well," (3) value proposition in one sentence using a specific number, (4) CTA asks for 15 minutes not "a call," (5) total email under 100 words.
Your Prompt
Write your own version. Every word matters — be specific.
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Reward
+100 GeraCoins
Earn GeraCoins for completing this challenge. Redeem across all Gera products.
Hints (3)
- 1Subject lines with specific numbers ("Save 40% on EC2") outperform vague ones.
- 2Banning "I hope this finds you well" and question-mark subject lines forces originality.
- 3"15 minutes" as CTA is tested to outperform "a call" — tell the AI this explicitly.
Related Topics
cold emailopen rateemail marketingCTO outreachcopywriting
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