AnthropicClaude Mythos244System Card Anthropic.
Anthropic Anthropic AI_.
,Anthropicclaude opus 4.6 (codex,codexbug,opus),.
AnthropicAgent AnthropicWorkflowAgent .
Anthropic2025 Anthropicagentic RLDeeepseek .
Anthropic 2026300202590anthropic 2026
AnthropicClaude Code "" .
Coding Opus 4.6Opus 4.6Opus 4.5.
50%.
Anthropic 2025 Anthropics Pilot Sabotage Risk Report Claude Opus 4 METR.
