Claude Sonnet 4.6
ai model22 mentions· velocity: decliningClaude Sonnet 4.6 is a multimodal large language model developed by Anthropic and released on February 25, 2026. Its documented performance includes an MMLU Pro score of 85.0, an Arena Elo rating of 1470, and a SWE-bench verified score of 79.6, positioning it as a competitive reasoning and coding model. The model was commercially priced at $3 per million input tokens and $15 per million output tokens. Claude Sonnet 4.6 matters in early 2026 as a benchmarked, mid-tier AI model demonstrating specific capabilities in reasoning and coding, providing a verifiable performance and pricing point within the competitive landscape of enterprise-focused language models, directly challenging similar offerings from OpenAI and Google.
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