Expired60% confidenceFactExact time
Techniques such as Sliding Window Attention and RoPE positional encoding extension have expanded the context window from the early 2K tokens to 128K or even the million-token level.
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/10/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/8/2026(expired)
Sources
LLM Evaluation: The Testing Industry's Scarcest Career Pivot and the Timing to Enter
bilibili宇宙Ai测试7/6/2026
Related Claims
VerifiedThe context windows of current mainstream large language models have expanded to 128K or even 200K tokens.81% similarUnverifiedThe context window of modern large models has expanded from the early 4K tokens to 128K or even longer, and the computational complexity of the attention mechanism grows quadratically with context length.80% similar
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