Anthropic
Claude
Anthropic's family of frontier assistants (Opus / Sonnet / Haiku), known for long-context reasoning, coding, and a safety-first posture.
Version timeline as of Jul 22, 2026.
Version timeline
15 versions- claude-fable-5· 1M ctx · cutoff Jan 1, 2026 · Flagship
First publicly available Mythos-class model (above Opus); Mythos 5 weights with safety classifiers active. 1M context, $10/$50, highest benchmarks of any GA model. Refusals return stop_reason refusal; mandatory 30-day retention.
- Claude MythosActiveclaude-mythos-5· 1M ctx · cutoff Jan 1, 2026 · Flagship
source:wikidata https://www.wikidata.org/wiki/Q139890065
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