Unverified50% confidenceFactExact time
此前 1M 上下文能力仅面向 API 用户开放，现在 GPT 订阅用户也可使用
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
8/24/2026
First Seen
Valid until: 11/22/2026
Sources
Related Entities
Related Claims
UnverifiedThe GPT 5.6 model natively supports a 1 million context window at the API level, but Codex has still not opened the full quota to subscription users.77% similarUnverifiedA prerequisite for using this approach is that the user already has a GPT membership subscription (such as ChatGPT Plus or Pro).74% similarUnverifiedThe API context length that GPT-5.5 is about to open supports up to 1 million tokens.73% similarUnverifiedGPT-5.1 Pro currently has no API access and can only be used through the ChatGPT website.72% similar
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