Claude Opus 5 launches (Anthropic’s newest Opus model)
Anthropic’s Claude release notes announce Claude Opus 5, positioned as a thoughtful, proactive model nearing Claude Fable 5 frontier intelligence at half the price.
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The Authority AI Tools editorial team maintains this directory using vendor documentation, dated source checks, product changelogs, and clearly identified hands-on observations where available.
Anthropic’s official Claude release notes say Claude Opus 5 has launched.
What Anthropic says
In the release notes entry dated July 24, 2026, Anthropic describes Claude Opus 5 as:
- A “thoughtful and proactive” model
- A model that “comes close to the frontier intelligence of Claude Fable 5”
- Offered “at half the price”
The release notes also point readers to an Anthropic blog post for more details.
What this means for developers
If you use Claude for coding and agent workflows, a new Opus-tier model typically matters most for:
- Harder reasoning and multi-step planning
- Higher-precision code review and refactoring
- Long-running agent tasks where fewer retries save time
We’ll update this post once the linked Anthropic blog entry provides additional technical details (for example, availability in the Claude app vs API, context window, and pricing tables).
Source
- Claude Help Center — “Release notes” (July 24, 2026 entry): https://support.claude.com/en/articles/12138966-release-notes
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