Cohere's Rerank v4.0 Model is Here
Cohere's Rerank v4.0 Model is Here. New ranking model with two variants optimized for quality and latency, supporting multilingual and semi-structured data.
Cohere changelog: December 2025
1 release on
Everything Cohere shipped in December 2025, collected from official Cohere sources. Each entry is dated and links to the page it came from.
December 2025 at a glance
December 2025 was Cohere's busiest month of the 12 months to then: 1 release, about 6× its monthly average of 0. That was the same number as in November 2025. Every release this month was Model.
Releases
1
+0 vs November 2025
Rank of 12 months
1st
Average 0.2 a month
Most shipped
Model
1 release
All Cohere releases in December 2025
Newest first. Each entry links to the official page it came from.
December 20251 release
Where December 2025 sits
Cohere releases per month, for December 2025 and the 11 months before it. A taller bar means more releases that month; the dated entries for each month are on its own page.
Other companies in December 2025
12 of the companies we track shipped in December 2025; Cohere ranks 8th by number of releases.
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