Unverified50% confidenceOpinionTime unknown
The million-token context windows advertised by vendors do not equate to the model still being able to accurately retrieve information at the end of the window.
1
Sources
50%
Confidence
Long-term
Relevance
9/12/2026
First Seen
Sources
Context Degradation Benchmark: The Long-Context Weakness of Leading LLMs
githubkyleaoconnell22
Related Entities
Related Claims
UnverifiedThe context window of coding agents typically contains tens of thousands to hundreds of thousands of tokens of information.76% 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.71% similarUnverifiedTongyi Qianwen 3.6 has an ultra-large context window of 1 million tokens.71% similarUnverified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69% similarUnverified字节跳动的数据中台支撑着抖音、今日头条等产品每日数千亿级别的用户行为数据处理68% similar
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