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Anthropic's Claude Sonnet 5 and Opus 4.8 performance benchmarks revealed

Anthropic's Claude models, Sonnet 5 and Opus 4.8, offer varying levels of effort that impact performance and cost. The effort ladder ranges from low to max, with 'xhigh' being a specific setting between high and max. Benchmarks indicate that Opus 4.8 generally outperforms Sonnet 5 across tasks like agentic coding and computer use, although Sonnet 5 shows strong results on certain benchmarks like SWE-bench Verified. AI

IMPACT Provides comparative performance data for AI models, aiding developers in selecting the appropriate model for specific tasks and effort levels.

RANK_REASON The item details benchmark results for AI models, which falls under research. [lever_c_demoted from research: ic=1 ai=1.0]

Read on r/ClaudeAI →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Anthropic's Claude Sonnet 5 and Opus 4.8 performance benchmarks revealed

COVERAGE [1]

  1. r/ClaudeAI TIER_2 English(EN) · /u/seh0872 ·

    Some (potentially) helpful information on Sonnet v Opus effort levels

    <!-- SC_OFF --><div class="md"><p>For a project I am doing I will build an AI &quot;team&quot;. I gave Claude some information about the kind of work each thread will do, and asked it which model+effort combinations are best. While your project won't mirror mine, this output from…