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Tag: model-release
2 items with this tag.
Jun 09, 2026
Claude Fable 5 and Claude Mythos 5
claude
model-release
mythos
fable-5
mythos-5
safeguards
project-glasswing
frontier-model
pricing
system-card
swe-bench
alignment
model-welfare
cyber
rsp
Jun 09, 2026
Claude Opus 4.8 — Anthropic Release + System Card (May 28, 2026)
opus-4-8
claude
model-release
system-card
anthropic
benchmarks
alignment
safety
agentic
long-context
pricing
mythos-preview