Mythos 2 Max pricing: 4x cost per CVE for 1% more discoveries
illscience · x · 2026-11-10
illscience breaks down the economics of Anthropic's CVE Rediscovery eval: Mythos 2 Max costs roughly 4x more per discovered vulnerability than the xhigh effort level for an incremental 1% discovery rate — yet the buyer is utterly price-inelastic, since that 1% could be worth an entire company. The chart shows the October 2026 run against 1,829 CVEs, where Mythos 5.2 beat Mythos 5.1 and Opus 5.5 at every effort level, reaching 90% found at Max with cost per attempt on a log scale ($0.10–$10).
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