Lean 4

Lean 4 is a modern functional programming language and interactive theorem prover designed for formal verification and mathematical proof. It enables developers to write provably correct software using dependent type theory, offering robust support for both general-purpose application development and rigorous mathematical reasoning through its extensive Mathlib library.

LLM mention score

Normalized 0–100 · last 8 weeks

DataForSEO API

Get LLM mention data of any company via DataForSEO API

Get access to the structured data on keyword, brand, and website mentions in LLMs, including metrics like AI search volume, impressions, and mentions count.

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How to get LLM mention data →

// Fetch Lean 4 mentions
POST v3/ai_optimization/llm_mentions/search/live
[
    {
        "target": [
            {
                "keyword": "Lean 4",
                "search_scope": ["any"]
            }
        ],
        "platform": "chat_gpt",
        "order_by" : ["ai_search_volume,desc"]
    }
]