[KongchangAI]
Unverified50% confidenceFactExact time

GPT 5.6模型在API层面本身支持100万上下文，但Codex仍未向订阅用户开放全量额度

1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/12/2026
First Seen
Valid until: 10/10/2026

Sources

GPT 5.6+Codex深度实测：三档模型与Ultra模式全解析
bilibilioil欧呦7/10/2026

Related Claims

UnverifiedGPT-5.5即将开放的API上下文长度最长支持100万Token81% similarUnverifiedCodex基于GPT 5.5，上下文窗口约40万Token80% similarVerifiedGPT 5.5支持百万Token上下文窗口，可同时处理约50万至70万词的代码或文档79% similar

Cite This Claim

Stable URI
https://kongchang.com/claim/493140
API
curl https://kongchang.com/api/v1/knowledge/claims/493140
MCP
get_claim(id=493140)