Unverified50% confidenceFactExact time
Companies such as Anthropic and OpenAI have continuously expanded model context windows, from an initial 4K to the current 200K tokens.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
8/29/2026
First Seen
Valid until: 11/27/2026
Sources
Related Entities
Related Claims
VerifiedThe context window of large language models has expanded from the early 4K tokens to the million-token scale, enabling AI to simultaneously understand the code structure of an entire project.75% similarUnverifiedOpenAI's o3/o4-mini series reasoning models have a context window of 128K–200K tokens.75% similarUnverifiedOpenAI官方表示随着底层容量的增长，Ultra Fast模式的访问权限会逐步扩大62% similarUnverifiedOpenAI charges per thousand tokens, while Zhipu AI measures usage across two dimensions: number of calls and tokens.62% similarUnverifiedAfter OpenAI's Codex was repositioned in 2025, it adopted a model specifically fine-tuned for software engineering tasks under the hood.61% similar
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