#ベンチマーク articles

Claude Opus 4.8 とは｜Opus 4.7 比・ベンチマーク・料金

Claude Opus 4.8 は Anthropic が 2026年5月28日にリリースした最新フラッグシップ。Opus 4.7 比でエージェントコーディング・ツールトリガー精度・推論効率の 3 領域を改善し、料金は $5/$25 で据え置き。effort 既定値・Fast mode・1M context も整理。

Claude

OpenAI vs Claude Opus | GPT-5.5 and 4.8 Performance & Pricing Comparison

A comparison of OpenAI GPT-5.5 and Claude Opus 4.8 across pricing, benchmarks, agent capabilities, and context length. Based on official information as of June 2026, this guide covers the latest flagship showdown and how to choose between them by use case.

Claude

Claude 4 Performance Comparison | Opus 4 & Sonnet 4 Benchmarks and Pricing

A detailed comparison of Claude 4's Opus 4 and Sonnet 4 performance and how to choose between them. Covers the close contest on SWE-bench Verified (72.7% vs 72.5%), the 5x pricing difference ($3/$15 vs $15/$75), and selection criteria based on use cases where Opus 4's up to 7-hour continuous operation makes a difference.