{"slug": "anthropic-changed-the-sonnet-5-chart-after-it-made-sonnet-look-bad", "title": "Anthropic Changed the Sonnet 5 Chart After It Made Sonnet Look Bad", "summary": "Anthropic altered the Sonnet 5 cost-performance chart after the initial version showed the model underperforming compared to Opus 4.8. The replacement chart presents a more favorable comparison.", "body_md": "Anthropic re-wrote the Sonnet 5 story post-launch. The first BrowseComp cost-performance chart showed Sonnet 5 lagging Opus 4.8. The replacement chart paints...\nRead More...\n\nSource", "url": "https://wpnews.pro/news/anthropic-changed-the-sonnet-5-chart-after-it-made-sonnet-look-bad", "canonical_source": "https://www.vincentschmalbach.com/anthropic-changed-sonnet-5-chart-after-it-made-sonnet-look-bad/", "published_at": "2026-07-02 10:26:15+00:00", "updated_at": "2026-07-09 08:58:32.603824+00:00", "lang": "en", "topics": ["artificial-intelligence", "ai-products"], "entities": ["Anthropic", "Sonnet 5", "Opus 4.8"], "alternates": {"html": "https://wpnews.pro/news/anthropic-changed-the-sonnet-5-chart-after-it-made-sonnet-look-bad", "markdown": "https://wpnews.pro/news/anthropic-changed-the-sonnet-5-chart-after-it-made-sonnet-look-bad.md", "text": "https://wpnews.pro/news/anthropic-changed-the-sonnet-5-chart-after-it-made-sonnet-look-bad.txt", "jsonld": "https://wpnews.pro/news/anthropic-changed-the-sonnet-5-chart-after-it-made-sonnet-look-bad.jsonld"}}