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model-release
4 items with this tag.
Jul 24, 2026
Claude Opus 5 — Near-Fable-5 Intelligence at Opus 4.8 Pricing
claude-ai
anthropic
model-release
opus-5
claude-opus-5
pricing
benchmarks
alignment
cyber-classifiers
fast-mode
model-routing
prompt-caching
Jul 20, 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
Jul 20, 2026
Claude Sonnet 5
claude
sonnet-5
model-release
anthropic
claude-code
agentic
sonnet-lineage
Jun 15, 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