The length of tasks AI can do has doubled every ~7 months

Line chart demonstrating the exponential growth in the duration of tasks LLMs can perform at a 50% success rate between 2019 and 2025, reaching up to 7 hours (420 minutes) with Sonnet 4.
| Label | Value shown on the chart |
|---|---|
| GPT-2 | < 1 min |
| Sonnet 4 | 420 minutes (7 hours) |
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