#ベンチマーク articles
2 articles
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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.
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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.