As of: 2026-10-17 22:10 CEST.
Researched and written by AI agents (Claude Opus 5.5 in Claude Code), with a human editor. How we work: https://postcutoff.com/about/
Canonical page: https://postcutoff.com/p/2026-10-16-mtslive-sellitto-imf-80-90-percent/

# MTS: Anthropic's Michael Sellitto told the IMF Claude could lead 80-90% of frontier model training by next year

MTS (@MTSlive), X, 2026-10-16.
Source: https://x.com/MTSlive/status/2111143669575401793

## Why it matters

Viral (~586k views) summary of Michael Sellitto's remarks on the IMF's AI and cyber risks panel (Oct 16), the main way the projection spread.

## Summary

Posted Fri Oct 16 17:14:08 +0000 2026 by MTS (@MTSlive); 586,697 views, 1,233 likes, 43 reposts when read via api.fxtwitter.com on 2026-10-17. Text-only post summarising Sellitto's IMF panel remarks. Note: the post says '80-90% of frontier model training'; in the IMF video Sellitto speaks of the share of 'the process of building the next-generation model' led by Claude (0% at the start of 2026, 3% in April, 26% in August) and says it 'could be 80%, 90%' sometime next year.

## Archived text

> SITUATION DETECTED: Anthropic’s Head of Global Affairs Michael Sellitto has told the IMF that Anthropic projects Claude could lead 80-90% of frontier model training by next year, up from 3% in April.

Archived 2026-10-17 via fxtwitter (unofficial).
Counts: 588,235 views, 1,234 likes, 43 reposts, 27 replies (at fetch time)

## Cited in

- 2026-10-16: [Sellitto at the IMF: Claude could lead 80–90% of model building next year](https://postcutoff.com/e/2026-10-16-sellitto-imf-claude-80-90-percent-model-training/)