API costs for Claude, ChatGPT, Gemini, and image generation models
AI costs can quickly spiral without careful tracking. Whether you're using Claude, ChatGPT, Gemini, or Grok APIs, understanding your per-token costs, monthly API spend, and model comparison economics is critical for managing AI infrastructure budgets. These calculators help you estimate API costs by model, compare providers, and project monthly spending so you can optimize your AI stack without surprises.
Calculate your Anthropic Claude API costs by model (Haiku, Sonnet, Opus), tokens, and usage volume.
Calculate your OpenAI ChatGPT API costs by model (GPT-4o, GPT-4, GPT-3.5 Turbo), tokens, and usage volume.
Calculate Google Gemini API costs by model tier, tokens, and usage volume for your AI applications.
Calculate xAI Grok API costs based on token usage, model version, and call volume.
Compare costs for AI image generation across DALL-E, Midjourney, and Stable Diffusion models.
Calculate the cost of fine-tuning AI models including training and ongoing inference expenses.
Compare API costs across Claude, GPT, and Gemini models by input/output tokens and daily call volume to find the most cost-effective AI provider.
Calculate your Perplexity API costs for Sonar and Sonar Pro models by tokens and usage volume for search-augmented generation.
Estimate monthly and annual cloud infrastructure costs including compute, storage, data transfer, and managed services.
Calculate GPU cloud compute costs including on-demand vs spot pricing, monthly and annual projections for AI/ML workloads.