Expired50% confidenceFactTime unknown
Anthropic has been using Claude to help build Claude itself, a practice known in the industry as 'dogfooding'.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Anthropic Source Code Leak: Unreleased Model Codenames and Hidden Features Deep Dive
bilibili量子菠萝_
Related Claims
UnverifiedAnthropic has been using Claude to help build Claude itself.80% similarVerifiedAnthropic is the parent company of Claude.68% similarUnverifiedAnthropic的Claude使用自研分词器66% similarUnverifiedAnthropic has enhanced citation and retrieval capabilities in Claude.63% similarUnverifiedAnthropic's Claude also has a similar trial quota.62% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/60134API
curl https://kongchang.com/api/v1/knowledge/claims/60134MCP
get_claim(id=60134)