What is Claude opus 5
Article summary
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TLDR: Claude Opus 5, released July 24, 2026, is Anthropic’s strongest Opus-class model. It approaches Claude Fable 5 performance on coding, agentic tasks, knowledge work, and reasoning at the same $5/$25 per million tokens pricing as Opus 4.8 (half the cost of Fable 5). It features a 1M-token context window, 128K max output, May 2026 knowledge cutoff, adaptive thinking by default, Fast mode, and major efficiency gains. Ideal for complex agentic coding and enterprise work, it is now the default…
1Key Takeaways
- TLDR: Claude Opus 5, released July 24, 2026, is Anthropic’s strongest Opus-class model.
- It approaches Claude Fable 5 performance on coding, agentic tasks, knowledge work, and reasoning at the same $5/$25 per million tokens pricing as Opus 4.8 (half the cost of Fable 5).
- It features a 1M-token context window, 128K max output, May 2026 knowledge cutoff, adaptive thinking by default, Fast mode, and major efficiency gains.
- Ideal for complex agentic coding and enterprise work, it is now the default….
2AIWedia Score
9.4/10
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3Why it matters
Coding AI shifts how fast software ships and how much human review each change needs. DEV — AI reports that tLDR: Claude Opus 5, released July 24, 2026, is Anthropic’s strongest Opus-class model.
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