[KongchangAI]
Expired50% confidenceFactExact time

In the burning envelope challenge, K2.7-Code took approximately 21 minutes (nearly 9x longer than K2.6) but produced a fully working result with flame layering and three-stage paper charring.

1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen

This claim has expired. It is kept for the record and no longer describes the current state.

Valid until: 9/30/2026(expired)

Sources

Kimi K2.7-Code vs K2.6 Real-World Comparison: Who Wins Across Five Hardcore Challenges?
bilibili寒冰巨魔95276/14/2026

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https://kongchang.com/claim/46163
API
curl https://kongchang.com/api/v1/knowledge/claims/46163
MCP
get_claim(id=46163)