# AI Builds AI Twice as Fast

> Anthropic's AI models improve twice as fast using self-built tools.
- Title: AI Builds AI Twice as Fast · Dealroom | Shortify
- Summary: Anthropic's AI models improve twice as fast using self-built tools. METR reports Anthropic's AI models progress 1.9× faster than a year ago through…
- Keywords: anthropic, ai models, self-improvement, metr, speedup, safety concerns, Dealroom
- Source: Dealroom — https://dealroom.co/news/170578-ai-is-now-building-ai-metr-finds-anthropic-developing-models-twice-as-fa
- Published: 2026-11-08T14:08:55+00:00
- Read time: 1 min
- Topics: anthropic, ai models, self-improvement, metr, speedup, safety concerns, startups, business
## METR Finds Speedup
METR reports Anthropic's AI models improve 1.9× faster than a year earlier with 95% confidence interval of 1.5× to 2.8×.
## How They Know
METR spent 11 weeks inside Anthropic from August 12 to October 29 with unprecedented access to internal data.
## Why Now?
Anthropic prepares for Wall Street debut that could be largest IPO ever with safety concerns raised.
## What Could Go Wrong
Anthropic redacted evidence METR considered most informative to remove confidential information.
## Key takeaway

METR reports Anthropic's AI models progress 1.9× faster than a year ago through self-improvement, with safety concerns raised.