Unverified50% confidenceFactExact time
Claude Code's Sonnet 4.5 has a 200,000-token context window, of which approximately 40% is solely system prompts
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/11/2026
First Seen
Valid until: 12/10/2026
Sources
Related Entities
Related Claims
UnverifiedClaude 3.5 Sonnet originally supports a 200K context window, but some parameter compression services compress it to 32K or even shorter.70% similarUnverifiedA 200K context window means approximately 150,000 lines of Python code can be input at one time.62% similarUnverifiedClaude Haiku 4.5拥有20万token的上下文窗口和6.4万token的最大输出长度61% similarUnverifiedThe 128K in GPT-4 128K refers to a context window size of 128,000 tokens, roughly equivalent to 100,000 English words or 50,000–60,000 Chinese characters.59% similarUnverifiedThe 200K context of the Claude 3 series can accommodate approximately 15,000 lines of code.58% similar
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