AsOf

Anthropic · releasedClaude Fable 5

validasserted
Valid from
2026-06-09
Valid until
still holds
Published
2026-06-09
Recorded by AsOf
2026-10-31
Checked
2026-10-31 · its source page states the value and the date
Confidence
0.70

Sources

“June 9, 2026 Claude Fable 5 launch We launched Claude Fable 5, a Mythos-class model that we’ve made safe for general use.”— what the page says, read 2026-10-31