Claude Opus 4.5: what changed between August 16, 2026 and November 14, 2026

Between 2026-08-16 and 2026-11-14, Claude Opus 4.5's record changed in 2 facts: 2 added; 0 unchanged.

Replaced (0)

the same fact with a different value

No fact changed value between the two days.

held on 2026-11-14, not on 2026-08-16

Added, available in: 1 claim, with their dates, status and sources
value	valid from	valid to	status	source
claim → to presentvalid: Two independent sources agree, or a primary source states it: the record asserts this claim, unless it is a post, is marked for review or carries a confidence below 0.5.platform.claude.com: 1 source, claim clm_1314EF55DBD7	2026-11-14	present	valid

held on 2026-08-16, not on 2026-11-14, and not replaced

Nothing ended between the two days.

0 claims held on both days. Posts and Hugging Face repos are not compared (1 held on the earlier day, 1 on the later).

Added, price: 1 claim, with their dates, status and sources
value	valid from	valid to	status	source
$5 input / $25 output per 1M tokensclaim → to presentvalid: Two independent sources agree, or a primary source states it: the record asserts this claim, unless it is a post, is marked for review or carries a confidence below 0.5.platform.claude.com: 1 source, claim clm_6446EB30261B	2026-11-14	present	valid: Two independent sources agree, or a primary source states it: the record asserts this claim, unless it is a post, is marked for review or carries a confidence below 0.5.	platform.claude.com: 1 source, claim clm_6446EB30261B