Expired75% confidenceFactTime unknown
Anthropic currently has three model tiers—Opus, Sonnet, and Haiku—but lacks an ultra-lightweight model comparable to GPT-5 Nano.
1
Sources
75%
Confidence
Medium-term (~90 days)
Relevance
6/1/2026
First Seen
Valid until: 8/30/2026(expired)
Sources
Related Entities
Related Claims
VerifiedIn Anthropic's model naming system, Opus represents the most powerful version, Sonnet is the mid-tier version, and Haiku is the lightweight version.64% similarUnverifiedDomestic AI hardware brand Cloud has launched a wearable NotePin equipped with both GPT-4o and Claude 3.5 Sonnet dual models.63% similarUnverifiedThe domestic large language models integrated by PapersGPT include DeepSeek V4, Kimi 2.5, GLM 5, Qwen 3.5, and SiliconFlow.61% similar
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