Anthropic vs OpenAI Knowledge cutoff
Anthropic leads OpenAI on freshness score. Claude Fable 5.1 scores 94. GPT-6 Luna scores 92, 2 points lower.
Data sourced from OpenRouter API and manual data collection | Last updated: Nov 3, 2026, 8:01 AM UTC
Component scores are ranked in
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Frequently asked questions
Who leads on freshness score, Anthropic or OpenAI?
Anthropic leads OpenAI on freshness score. Claude Fable 5.1 scores 94. GPT-6 Luna scores 92, 2 points lower.
How is Anthropic vs OpenAI scored?
Each lab is represented by its top models on this metric. The overall score averages the published component scores, and a model needs at least three.