# Claude Opus 4.8 timeline

entity: /record/claude-opus-4-8.md  
id: ent_claude-opus-4-8  


## 2026

- 2026-05-28 | model_release | Claude Opus 4.8 | valid | [clm_8BE1B4110AE7](/claim/clm_8BE1B4110AE7.md)
- 2026-05-28 | predecessor | Opus 4.7 | valid | [clm_E91575B30B2E](/claim/clm_E91575B30B2E.md)
- 2026-05-28 | price | $5 per million input tokens | valid | [clm_CDD220064EB1](/claim/clm_CDD220064EB1.md)

---

AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.