Burkov: Sonnet 5.5 High matches Codex 6.1 Medium, doubts Anthropic's $1T valuation
burkov · x · 2026-11-12
Andriy Burkov (author of The Hundred-Page Machine Learning Book) says he uses Sonnet 5.5 High and Codex 6.1 Medium interchangeably for coding and sees no difference in strength, and doesn't use Opus at all. On that basis he questions why anyone believes Anthropic is worth over $1T and can keep shipping LLMs users will pay top dollar for.
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