The Claude 5 pricing era
Anthropic has held Opus at US$5/US$25 across five straight releases while moving the fight to cost-per-task. We track each move and price it against the field.
The new Sonnet keeps Sonnet 5's US$2 and US$10 prices. Artificial Analysis found it spent a record number of tokens at its highest setting, so the real cost depends on the effort s...
26 Sep 2026 Anthropic Cut Opus Prices for the First Time, and OpenAI Halved Sol Hours LaterOpus 5.5 lands at US$4 and US$20 per million tokens, a fifth below the model it replaces. GPT-6 Sol arrived that morning at exactly half those rates, which OpenAI calls permanent.
15 Sep 2026 Anthropic Called Its Claude Code Limit Change a 25% Rise. It Was a 17% Cut.A four-month boost to Claude Code's weekly limits ended on 13 September and a permanent rise replaced it. Anthropic's own correction put the reduction first.
14 Aug 2026 The Sonnet 5 Deadline Was Cancelled. We Had It in Our Calculators.Anthropic made Sonnet 5's US$2 / US$10 permanent on 10 August and withdrew the 1 September rise. Our July comparison said otherwise, and so did our price tools until this morning -...
25 Jul 2026 Claude Opus 5 Arrives at Half Fable 5’s Price — We Ran the Numbers on 11 Frontier ModelsAnthropic’s new flagship lands at exactly half Fable 5’s per-token price, unchanged from Opus 4.8. We computed blended costs across 11 frontier models — and found two details the l...