Anthropic AI R&D - Time Series Forecasting MSE: leaderboard
Metric: Mean Squared Error (Hard Variant). Source: www-cdn.anthropic.com. 4 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Claude Mythos 5 | 4.51 |
| 2 | Claude Opus 4.7 | 4.78 |
| 3 | Claude Opus 5 | 5.68 |
| 4 | Claude Sonnet 5 | 5.8 |
Interactive version: theaggregate.ai/benchmark?slug=anthropic-ai-r-d-time-series-forecasting-mse · How It Works · Data refreshed daily, snapshot 2026-09-19.