Expired60% confidenceFactTime unknown
Claude 4.0 (also known as Claude Sonnet 4) is Anthropic's latest model released in mid-2025, with improvements in code generation, reasoning, and instruction following
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Deep Dive Review of AI Coding Assistants: Copilot at the Bottom — Who's the Real King?
bilibili比特光锥_BightCone
Related Claims
UnverifiedClaude Sonnet 4 is a mid-tier model released by Anthropic in mid-2025, with a score on SWE-bench that significantly leads models of the same tier80% similarVerifiedClaude 3.5 Sonnet is a model released by Anthropic in 2024 that surpassed the contemporaneous GPT-4o on the code generation benchmark HumanEval79% similar
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