Tag: claude-sonnet
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Claude Sonnet 5.5 Ranks #2 at 56, Behind Only Opus 5.5
Anthropic released Claude Sonnet 5.5 on September 28, 2026, and independent benchmarker Artificial Analysis ranks it second on its Intelligence Index with a score of 56, two points behind Claude Opus 5.5 and ahead of both GPT-6 Astra and Claude Fable 5.1. The mid-tier model keeps Sonnet 5’s price of $2 / $10 per million […]
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Anthropic Launches Claude Sonnet 5, Closing the Gap With Opus
Anthropic released Claude Sonnet 5 on June 30, 2026 — its “most agentic Sonnet model yet,” bringing performance close to the flagship Opus 4.8 while running at a fraction of the cost. The mid-tier model posts large gains over Sonnet 4.6 in coding, reasoning, tool use, and knowledge work, and ships with introductory pricing of […]
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Introducing Claude Sonnet 4.6: Flagship Performance at Mid-Tier Cost
Key points Anthropic released Claude Sonnet 4.6 on February 17, 2026, and says it matches Claude Opus 4.6 on many benchmarks while costing five times less. Sonnet 4.6 has a 1 million token context window in beta, described as the first Sonnet-class model able to process entire codebases, lengthy legal contracts or dozens of research […]
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Introducing Claude Sonnet 4.5
Anthropic recently unveiled Claude Sonnet 4.5, the newest iteration of their frontier AI model—positioning it as their “most aligned frontier model” to date, with major gains in coding, reasoning, math, and safe deployment. (Anthropic) Key points Anthropic unveiled Claude Sonnet 4.5 as the newest iteration of its frontier AI model, with major gains in coding, […]