Anthropic Launches Claude Sonnet 5, and It's the Most "Agentic" We've Seen
Today, June 30 2026, Anthropic launched Claude Sonnet 5: their most agentic model yet, planning and using tools on its own. At $2/$10 per million tokens, it's a cheap alternative to Opus, GPT-5.5 and…
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Anthropic launches Claude Sonnet 5 with near-Opus performance at lower introductory pricing
Anthropic's Claude Sonnet 5 nears Opus 4.8 on agentic benchmarks and ships with introductory API pricing at $2/$10 per million tokens throug
thenewstack.io·13d agoAnthropic launches Claude Sonnet 5 with enhanced agentic capabilities and Opus-competitive performance
Our most agentic Sonnet yet, with top-tier intelligence for coding and everyday professional work.
Anthropic launches Claude Sonnet 5 with enhanced agentic capabilities and Opus-competitive performance
Our most agentic Sonnet yet, with top-tier intelligence for coding and everyday professional work.

Anthropic's Claude Sonnet 5 Puts Near-Opus Agents in the Cheap Seats
Claude Sonnet 5 is Anthropic's midsize model, released June 30, 2026. It scores 63.2% on SWE-bench Pro — near Opus 4.8's 69.2% — at $2 per m

Claude Sonnet 5 Review
Anthropic's most agentic midsize model — near-Opus 4.8 coding and computer use at $2 per million input tokens (introductory through August 2

Anthropic touts new Claude Sonnet 5 model range, offering performance ‘close to that of Opus 4.8, but at lower prices’ – here’s what users can expect
Claude Sonnet 5 comes with intuitive agentic capabilities, performance boosts, and cost-efficient ‘effort levels’
Claude 4.5 Review: Anthropic's Agentic Generation That Broke 80% on SWE-bench
Claude 4.5 (Sonnet 4.5, Haiku 4.5, Opus 4.5) — released September–November 2025 — is Anthropic's agentic computing generation. Opus 4.5 hit

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