Cohere / SOURCE-LINKED MODEL RECORD

Rerank v4.0

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Hosted modelverifiedObserved Oct 12, 2026
Input types
text
Output types
text
Observed context window
Not established
Source release date
Dec 11, 2025

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The canonical record is coherelabs:rerank-v4.0. Capabilities and context limits reflect source observations; the limits of a particular inference endpoint may differ.

Inclusion in the radar does not mean this model is served by Flonno. For the model currently available through our API, see Qwen3.8 Flash 27B and API pricing.

Artifact evidence

https://docs.cohere.com/v2/changelog/rerank-v4.0|rerank-v4.0|release

official changelog · Pinned artifact · Official provider announcement. First observed Oct 12, 2026; last observed Oct 12, 2026.

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Source publication date
Cohere / release

Cohere Rerank v4.0 released

Cohere released Rerank v4.0, offering two model variants optimized for either high quality or low latency. The update adds support for multilingual and semi-structured data with a 32k token context window.

AI-assisted summary · qwen3.8-27bRecorded Oct 12, 2026