Anthropic released Claude Sonnet 5 on June 30, 2026 — the first Sonnet pitched as near-Opus performance at Sonnet pricing.
AI News Weekly — 2026-07-01 — Anthropic Puts a Near-Opus Model Behind a Sonnet Price Tag
Anthropic released Claude Sonnet 5 on June 30, 2026 — the first Sonnet pitched as near-Opus performance at Sonnet pricing.