AsOf

product

Claude Sonnet 4

Claude 4 generation mid-tier model. 3 claims on record, 3 currently valid, 0 superseded, plus 1 post. Last change 2026-06-15.

See the record on another date

State as of 2026-11-04

1 asserted claim
factvalue
predecessorClaude Sonnet 3.7
2025-05-22 · conf 0.95primary, 1 source for predecessor

Latest

3 dated events · full timeline →
2026-06-15 · retired
claude-sonnet-4-202505141 src
valid
2026-04-14 · deprecated
claude-sonnet-4-202505141 src
valid
2025-05-22 · model release
Claude Sonnet 41 src
valid

State changes since 2026-05-08

0 changes · superseded claims stay visible

No changes since 2026-05-08.