AnthropicClaude Mythos244System Card Anthropic.

Anthropic Anthropic AI_.

,Anthropicclaude opus 4.6 (codex,codexbug,opus),.

Understanding the Context

AnthropicAgent AnthropicWorkflowAgent .

Anthropic2025 Anthropicagentic RLDeeepseek .

Anthropic 2026300202590anthropic 2026

AnthropicClaude Code "" .

Key Insights

Coding Opus 4.6Opus 4.6Opus 4.5.

50%.

Anthropic 2025 Anthropics Pilot Sabotage Risk Report Claude Opus 4 METR.