New web tool lets developers instantly calculate LLM API costs across nearly 4,000 models from multiple providers

Calculator supports ~4,000 models across all major AI providers, enabling cost comparison before deployment

Users input token counts for both input and output to get instant pricing estimates across different models

Tool sources model data from models.dev, ensuring up-to-date pricing information

Built as a quick single-sitting project and launched on Hacker News with a simple web interface at llm-token-cost-calculator.pagey.site