[KongchangAI]
Unverified50% confidenceOpinionExact time

Anthropic officially describes Opus 5.5 as the highest-performing model it has tested to date.

1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/22/2026
First Seen
Valid until: 12/21/2026

Sources

Anthropic Releases Claude Opus 5.5: Lower Prices, Record-Breaking Performance

Related Entities

AnthropiccompanyOpus 5.5model

Related Claims

UnverifiedThe user was using the Opus 5 Max model.68% similarUnverifiedGLM4 ranks fifth in the World of AI benchmark tool.65% similar

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https://kongchang.com/claim/941265
API
curl https://kongchang.com/api/v1/knowledge/claims/941265
MCP
get_claim(id=941265)