SigRank vs LMSYS Arena
Ranking the humans who use AI vs ranking the AI models
| Feature | SigRank | LMSYS Arena |
|---|---|---|
| What it ranks | AI operators (the humans using AI) | AI models (GPT, Claude, Gemini, etc.) |
| The question | Who is the best AI user? | Which AI model is best? |
| Method | Token telemetry — Yield (Υ) from session data | Human voting — pairwise preference (Elo) |
| Metric | Yield = (cache_read × output) / input² | Elo rating from human votes |
| Subjective? | No — measured from token counts | Yes — based on human preference |
| Data source | Operator's own session telemetry | Blind A/B votes on prompt outputs |
Different questions, different answers
LMSYS Arena answers "which AI model is best?" — it ranks models by human preference in blind A/B tests. That's valuable for model selection.
SigRank answers "who is the best AI user?" — it ranks the humans who operate AI tools, by measuring how efficiently they use tokens. A great operator with a mediocre model can out-Yield a poor operator with the best model.
They're not competing — they're measuring different things. LMSYS measures the tool. SigRank measures the person wielding it.
The tool is the person.
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