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Marketing AI Performance Leaderboard - June 2025 Results
Copywriting Results
Copywriting Scores by LLM
What are the overall results?
🏆 Copywriting Winner: Anthropic: Claude-Sonnet-4
❌ Copywriting Loser: Perplexity: r1-1776
Individual Test Winners and Losers
Test Ranking (Best → Worst)
Ranking reflects the average performance per copywriting test of all LLMs ordered highest to lowest.
- Long form Blog (Transcript Supplied)
- Social Posts (from Blog Content)
- LinkedIn Ads
- Long form Blog (LLM Generated)
- Meta Ads
- Google Ads
FAQs
What does this Leaderboard represent?
We have designed tests that simulate a marketer’s interaction with native platform UIs (e.g., ChatGPT, Gemini) across several marketing domains:
- Copywriting: Generating ad copy, email subject lines, and social media posts.
- Internal Data Analysis: Interpreting sample CRM data to identify trends and insights.
- Strategic Planning: Creating marketing plans based on given scenarios.
- Online Research: Gathering information from the web to support marketing decisions.
How were the tests scored?
Each test output is evaluated by specialised AI “judges.”
- Judges are themselves AI agents configured with specific evaluation criteria.
- They parse the Test Answer, compare it against expected outcomes or benchmarks, and score on multiple dimensions (e.g., factual correctness, tone, format).
- Final scores are normalized and aggregated to produce a single value per test.
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