Unverified50% confidenceFactExact time
上下文窗口从早期的 4K tokens 扩展到如今的百万级别，让 Agent 能记住更长的操作历史
1
Sources
50%
Confidence
Long-term
Relevance
7/23/2026
First Seen
Sources
Related Claims
UnverifiedThe context window has grown from a few thousand tokens in early versions to 200K or even millions of tokens today.65% similarUnverifiedThrough positional encoding improvements such as RoPE and ALiBi, sliding window attention, and long-text fine-tuning, the effective context windows of mainstream models have been extended to the scale of hundreds of thousands to even millions of tokens.61% similarUnverifiedThe domestic tool supports context windows at the million-token level.58% similarUnverifiedTongyi Qianwen 3.6 has an ultra-large context window of 1 million tokens.57% similarUnverifiedModern LLMs such as Claude have context windows of tens of thousands to even hundreds of thousands of tokens.56% similar
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