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AI models

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Selected announcements · sorted by original date

AnthropicModel familyLanguage / Reasoning / Code / Multimodal

Claude Opus

Open timeline
What changedReleased

Claude Opus 4.8

Opus 4.8 updates agentic coding and knowledge work, with effort controls.

  • The API identifier is claude-opus-4-8.

Access at announcement

This is the May release; partner testimonials are not independent reviews.

Full release

Announcements & evaluations

2 sources
Official announcementsOfficial
Introducing Claude Opus 4.8

Anthropic ·

Evidence & scope

Original checked · Oct 5, 2026

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Claude Opus 4.8

Social postsOfficial
Claude Opus 4.8 announcement

Anthropic announces Opus 4.8, describing longer independent work and the same launch price. These are maker claims.

Claude (@claudeai) ·

Evidence & scope

Original checked · Oct 5, 2026

Read original

Claude Opus 4.8

From the same maker

Explore makerProfile checked · Oct 5, 2026

Selected releases, not a complete inventory or a performance ranking. Dates refer to the original announcement; historical access conditions may have changed.