Unverified50% confidenceFactExact time
GPT-4o and Claude 3.5 Sonnet are fully closed-source commercial models accessible only through their official APIs.
1
Sources
50%
Confidence
Long-term
Relevance
10/5/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe promotional phrase '满血不降智' implies use of full-version models such as GPT-4o and Claude 3.5 Sonnet, but model routing is controlled by third parties and users have no way to verify this.74% similarUnverifiedOpenAI's GPT series is completely closed-source and is only billed per token through an API, and Anthropic's Claude is the same.74% similar
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