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Discover answers and insights from the Anthropic team
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How up-to-date is Claude's training data?
Sonnet was trained on data up until November 2024 Claude 4 Sonnet was trained on data up until
March
… 2025 Claude 4 Opus was trained on data up until
March
2025 These models may not be aware of
Custom Data Retention Controls for Claude Enterprise
your changes Example retention calculation If a conversation’s last message is at 3PM UTC on
March
… 1st with a 30-day retention period, the deletion will occur at midnight UTC on
March
31st
Managing Seats on Claude for Enterprise
works when adding seats: If you start with 100 seats on January 1st and: Add 5 more seats on
March
My organization is tax-exempt; how can I remove the tax from our monthly invoices for our Team plan account?
After our Billing team reviews the document, we can manually
mark
your billing account as exempt and
Why was my card declined?
Even minor discrepancies, such as a missing accent
mark
or a misspelled street name, can trigger a decline