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  "summary": "Το Claude Opus 4 είναι μοντέλο από Anthropic, που καταγράφηκε για πρώτη φορά στις 2026-09-21· η ημερομηνία κυκλοφορίας του δεν έχει εξακριβωθεί. Το παράθυρο συμφραζομένων είναι 200.000 tokens. Το μέγιστο μήκος εξόδου είναι 32.000 tokens. Η τιμή είναι $15,00 ανά εκατομμύριο tokens εισόδου και $75,00 ανά εκατομμύριο tokens εξόδου.",
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