digraph Ensemble {
    graph [
        goal="Get independent opinions from multiple providers, then synthesize",
        model_stylesheet="
            #opus    { model: claude-opus-4-6;      }
            #gemini  { model: gemini-3.1-pro-preview;}
            #codex   { model: gpt-5.3-codex;       }
            #mercury { model: mercury-2;             provider: inception; }
            #synth   { model: claude-opus-4-6;      reasoning_effort: high; }
        "
    ]
    rankdir=LR

    start [shape=Mdiamond, label="Start"]
    exit  [shape=Msquare, label="Exit"]

    fork [label="Fan Out", shape=component, join_policy="wait_all", error_policy="continue"]

    opus    [label="Opus",    prompt="Analyze the goal. Provide your independent assessment, recommendations, and any code or prose needed. Be thorough.", shape=tab]
    gemini  [label="Gemini",  prompt="Analyze the goal. Provide your independent assessment, recommendations, and any code or prose needed. Be thorough.", shape=tab]
    codex   [label="Codex",   prompt="Analyze the goal. Provide your independent assessment, recommendations, and any code or prose needed. Be thorough.", shape=tab]
    mercury [label="Mercury", prompt="Analyze the goal. Provide your independent assessment, recommendations, and any code or prose needed. Be thorough.", shape=tab]

    merge [label="Merge", shape=tripleoctagon]
    synth [label="Synthesize", prompt="You have received independent analyses from four different models (Opus, Gemini, Codex, Mercury). Compare their perspectives: identify consensus, highlight disagreements, and synthesize the strongest ideas into a single coherent recommendation. Note where models agreed and where they diverged.", shape=tab]

    start -> fork
    fork -> opus
    fork -> gemini
    fork -> codex
    fork -> mercury
    opus    -> merge
    gemini  -> merge
    codex   -> merge
    mercury -> merge
    merge -> synth -> exit
}