Marc Kean Paker

@OpenmarkAI

Benchmark AI models for YOUR use case

Joined February 2026

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OpenMark AI — Benchmark 100+ LLMs on Your Actual Promptsbest-ai-benchmarks.hashnode.dev3 posts

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The Price Per Million Tokens Is Lying to You

Mar 5 · 5 min read · About 9 months ago, I was building a RAG system, for those who don’t know its a kind of enhanced memory system for AI agents. One of the agentic flows needed semantic similarity, and I had GPT-4o runn

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I Benchmarked 10 AI Models on Reading Human Emotions

Feb 19 · 7 min read · Every time a new AI model drops, the same ritual plays out. The leaderboard updates. Twitter erupts. Someone posts a chart showing Model X beat Model Y by 2.3% on MMLU. People make purchasing decision

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How to Find the Best AI Model for Your Specific Use Case

Feb 10 · 3 min read · Every week brings a new "best" AI model. But best for what? MMLU scores, HumanEval rankings, and arena leaderboards test generic capabilities. They don't tell you which model will perform best on your specific task — whether that's summarizing legal ...

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Marc Kean Paker

About

Available for

Marc Kean Paker's blogs

Recently published

The Price Per Million Tokens Is Lying to You

I Benchmarked 10 AI Models on Reading Human Emotions

How to Find the Best AI Model for Your Specific Use Case

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Marc Kean Paker

About

Available for

Marc Kean Paker's blogs

Recently published

The Price Per Million Tokens Is Lying to You

I Benchmarked 10 AI Models on Reading Human Emotions

How to Find the Best AI Model for Your Specific Use Case