{"slug": "try-sonnet-5-5-before-opus-same-price-as-sonnet-5-30-faster", "title": "Try Sonnet 5.5 before Opus: same price as Sonnet 5, 30% faster", "summary": "Anthropic released Claude Sonnet 5.5 at unchanged Sonnet 5 prices, running more than 30% faster with fewer tokens per task, and Cursor, Copilot and Devin shipped it the same day. The release makes cheaper coding runs available immediately through those three tools.", "body_md": "Anthropic released Claude Sonnet 5.5 at unchanged Sonnet 5 prices, running more than 30% faster with fewer tokens per task. Cursor, Copilot and Devin shipped it the same day, so cheaper coding runs are available now.\nRead: Anthropic released Claude Sonnet 5.5 at unchanged Sonnet 5 prices, running more than 30% faster with fewer tokens per task. Cursor, Copilot and Devin shipped it the same day, so cheaper coding runs are available now.\nRead: Vals AI ran GPT-6 Astra and Opus 5.5 at every reasoning level on its new MysteryMechanism benchmark and found accuracy gains that cost up to 20x more.\nRead: Cloudflare launched cf, a JSON-first CLI spanning its full API, after agents came to drive 48% of Wrangler usage, and open-sourced Forge, the generator behind it.\nRead: A GitHub Security Lab researcher used packaged taskflows for the open-source Taskflow Agent to audit Android apps, reporting more than 20 vulnerabilities.\nRead: H Company's open Holo4 operates GUIs, code, MCP and APIs through one interface and scores 61.7% on OSWorld 2.0, with full trajectories released.\nRead: Git 2.56 adds git add --resolved, which stages only conflicted paths and refuses files that still contain conflict markers, a safer default for agent merges.\nRead: A production text-to-SQL audit found its GPT-4o-mini judge agreed with human graders at a Cohen's kappa of 0.04, over-flagging 77% of correct results.", "url": "https://wpnews.pro/news/try-sonnet-5-5-before-opus-same-price-as-sonnet-5-30-faster", "canonical_source": "https://www.vibeleaderboard.ai/intel/brief/2026-09-29", "published_at": "2026-09-29 11:21:44+00:00", "updated_at": "2026-09-29 12:20:16.332035+00:00", "lang": "en", "topics": ["large-language-models", "ai-products", "developer-tools", "generative-ai"], "entities": ["Anthropic", "Claude Sonnet 5.5", "Cursor", "GitHub Copilot", "Devin"], "also_reported_by": [], "alternates": {"html": "https://wpnews.pro/news/try-sonnet-5-5-before-opus-same-price-as-sonnet-5-30-faster", "markdown": "https://wpnews.pro/news/try-sonnet-5-5-before-opus-same-price-as-sonnet-5-30-faster.md", "text": "https://wpnews.pro/news/try-sonnet-5-5-before-opus-same-price-as-sonnet-5-30-faster.txt", "jsonld": "https://wpnews.pro/news/try-sonnet-5-5-before-opus-same-price-as-sonnet-5-30-faster.jsonld"}}