Token Calculator

Token Calculator is a free, client-side utility that provides accurate token counting and API cost estimation for major Large Language Models, including GPT-5.5, Claude Opus 4.7, and Gemini 3.1 Pro. It utilizes official BPE tokenizer libraries to ensure precise metrics for inputs, cached inputs, and outputs. The platform helps developers and enterprises optimize prompt engineering strategies by visualizing token usage and comparing real-time pricing across different AI providers.

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.

Get Free API Credits API Documentation

How to get LLM mention data →

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