Verified90% confidenceFactExact time

The Claude Opus 4 series is Anthropic's flagship large language model series launched in 2025

9

Sources

90%

Confidence

Long-term

Relevance

5/28/2026

First Seen

Sources

Claude Opus 4.8 Launches on Cursor: Dual Improvements in Efficiency and Persistence

twittercursor_ai5/28/2026

Related Entities

Anthropiccompany Claude Opus 4model

Related Claims

VerifiedClaude Opus 5 is Anthropic's flagship large language model released in 2025, representing the highest capability tier of the Claude series85% similar UnverifiedClaude Opus 4.5是Anthropic推出的旗舰级语言模型83% similar

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