Anthropic launches Opus 4.8 with honesty boost

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- Anthropic released Opus 4.8, the latest version of its Claude model, on May 28, 2026.
- Opus 4.8 is marketed as more likely to flag uncertainties and less likely to make unsupported claims, emphasizing model honesty.
- Opus 4.8 retains the same price as the previous Opus 4.7 version.
- Opus 4.8 introduces a new dynamic workflow tool for improved task orchestration.
- Opus 4.8 delivers coding improvements, reducing unflagged code flaws and outperforming GPT‑5.5 in code generation benchmarks.
- AWS now offers Opus 4.8 as a service, expanding its cloud availability.
Why it matters: Developers gain a more reliable AI assistant that self‑flags uncertainty and reduces coding errors, while enterprises benefit from built‑in honesty that can lower risk of faulty outputs. Anthropic maintains the same price as Opus 4.7, letting existing customers upgrade without extra cost.
