Place Sonnet 4.6 computer use inside an isolated environment with domain and action allowlists, action-time approval, prompt-injection resistance, and replayable audit.
Separate Anthropic's published Opus 4.6 capabilities from local evidence, then evaluate retrieval, editing, verification, effort, and total task cost.
Evaluate Vibe 2.0 through subagent contracts, clarification, skills, permissions, and repeatable repository tasks instead of counting product features.
Evaluate Gemini 3 Flash Preview with task-specific data, thinking budgets, JSON Schema, observability, and a reversible adapter instead of repeating benchmark claims.
Migrate one Python text path to the Responses API while preserving model, state, error, and evaluation control.