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On October 21, 2026, Cohere released its enterprise retrieval model Rerank 5, available in two tiers: Pro and Fast. According to Cohere's product and research blog, the model is now available on the Cohere API, Model Vault, Microsoft Foundry, and Amazon SageMaker, with Pro priced at $0.05 per 1 million tokens and Fast at $0.02. Cohere states that Rerank 5 Pro leads all tested models on four public benchmarks—ViDoRe V3, nanoMTEB, BRIGHT, and BEIR—ranking first on 39 of 46 composite datasets. A new feature, Context Focus, can return the most relevant text snippets within a document in a single call; in official tests, removing half the context cost only 2 percentage points in answer quality. Follow-up reports add that both tiers support a 32K context window and more than 100 languages, and that upgrading requires no index rebuild; in search agent tests, paired with a default threshold of 0.1, it reduced tokens per task by 19% and raised accuracy from 46% to 57%.
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Cohere Releases Rerank 5: Supports Paragraph-Level Context Focus and Calibrated ScoresDevelopments
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Oct 23
MarkTechPost
Cohere Releases Rerank 5: Supports Paragraph-Level Context Focus and Calibrated Scores
Cohere has released the Rerank 5 reranking model, available in Pro and Fast tiers, both supporting a 32K context window and more than 100 languages, with upgrades requiring no index rebuild. The new Context Focus can return relevant passages within a document along with their character offsets in a single call; in search agent tests, combined with the default 0.1 threshold, it reduced tokens per task by 19% and raised accuracy from 46% to 57%. Pro scores 82.2 on BRIGHT, 5.8 points higher than Voyage AI Rerank 3, with API pricing at $0.05 per 1 million tokens, and Fast at $0.02.
Oct 22
Testing Catalog
AI Daily: Claude Duet and GPT-6 Series in Private Beta
Anthropic has opened the waitlist for Claude Duet, a standalone proactive agent app built on Claude Opus 5.5, aimed at Pro and Max users in the US. OpenAI's GPT-6 Astra, GPT-6.1 Sol, GPT-6 Luna and Codex workflows are in private preview on Google Cloud Model Garden. Recursive released Flint, a 40B MoE open-source local coding model under Apache 2.0, claiming it is up to 2x faster than comparable models.
Nils ReimersRelated discussion
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Oct 21
Aidan Gomez
Cohere Releases Rerank 5, Improving Ranking Accuracy and Adding Context Focus to Control Costs
Cohere has released Rerank 5, which it says brings significant improvements in ranking accuracy and efficiency, and is offered in Pro and Fast tiers. The new version adds features such as Context Focus, giving users better control over spending, and is also launching on Cohere Model Vault, Microsoft Foundry, and Amazon SageMaker. Aidan Gomez reposted the release announcement.
Aidan GomezRelated discussion
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This post contributes to heat; it is not a formal report or confirmed fact.
Cohere Product and Research BlogFirst-partySelected
Cohere releases Rerank 5 Pro and Fast retrieval models
Cohere releases enterprise retrieval model Rerank 5, in Pro and Fast tiers, now available on Cohere API, Model Vault, Microsoft Foundry and Amazon SageMaker, with Pro priced at $0.05 per 1M tokens and Fast at $0.02. Cohere says Rerank 5 Pro leads all tested models on four public benchmarks: ViDoRe V3, nanoMTEB, BRIGHT and BEIR, ranking first on 39 of 46 composite datasets. The new Context Focus feature can return the most relevant text snippets within a document in a single call; in official tests, removing half the context lost only 2 percentage points of answer quality.
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