[KongchangAI]
Unverified50% confidenceFactExact time

Opus 5 has a 1-million-token context window, which is both the default and the maximum.

1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
8/29/2026
First Seen
Valid until: 11/27/2026

Sources

Claude Opus 5 Prompt Guide: 6 Key Changes and Practical Optimization Tips

Related Entities

Claude Opus 5model

Related Claims

UnverifiedDeepSeek V4 has 1.6 trillion parameters and a 1-million-token context window, and matches Claude Opus and Gemini Pro on multiple benchmarks.70% similar

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