AI Cost Calculators: Free AI API, Token & AI Cost Tools
AI Cost Calculators
Estimate AI API, token, GPU, infrastructure, cloud, and media-generation costs before you build, deploy, or scale.
Popular AI Cost Calculators
Start with the tools most useful for common AI cost questions.
AI Token Calculator
Estimate tokens from text and use token volumes to understand AI workload and API costs.
Use calculator →Claude API Cost Calculator
Estimate Claude API spending from model selection, input tokens, output tokens, and caching.
Use calculator →Gemini API Cost Calculator
Estimate Gemini API costs using model selection, token usage, and expected workload volume.
Use calculator →What Are You Calculating?
Choose the type of AI cost you need to estimate.
API & Token Costs
Calculate token usage, API requests, model pricing, LLM costs, context usage, and caching.
Explore API tools →Infrastructure Costs
Estimate GPU, inference, fine-tuning, embeddings, vector databases, hosting, and AI agent costs.
Explore infrastructure tools →AI Media Costs
Estimate image, video, speech, voice, music, and multimodal AI generation costs.
Explore media tools →All AI Cost Calculators
Search the directory or filter calculators by workload.
Showing 25 calculators
Token Calculator
Estimate text tokens and usage for AI workloads.
Use tool →Claude API Cost Calculator
Estimate Claude API costs from model and token usage.
Use tool →Gemini API Cost Calculator
Estimate Gemini API costs from model and usage.
Use tool →ChatGPT API Cost Calculator
Estimate OpenAI API spending for AI workloads.
Use tool →Open Source LLM API Cost Calculator
Compare hosted open-source model API costs.
Use tool →LLM Tokenizer Cost Calculator
Estimate tokenization requirements for LLM workloads.
Use tool →Words to Tokens Calculator
Convert approximate word counts into token quantities.
Use tool →Tokens to Words Calculator
Convert token volumes into estimated word counts.
Use tool →API Request Rate Cost Calculator
Estimate API costs from request volume and usage rates.
Use tool →Multi-Model LLM Comparison Calculator
Compare estimated costs across multiple LLM models.
Use tool →Context Window Cost Calculator
Estimate costs for long-context AI workloads.
Use tool →Prompt Caching ROI Calculator
Estimate potential savings from repeated prompt caching.
Use tool →GPU Compute Calculator
Estimate GPU compute costs for training and inference.
Use tool →Self-Hosted vs API Cost Calculator
Compare self-hosted model costs with API usage.
Use tool →Vector Database Cost Calculator
Estimate storage and infrastructure costs for vector databases.
Use tool →Fine-Tuning Cost Calculator
Estimate compute and training costs for fine-tuning.
Use tool →Cloud Inference Cost Calculator
Estimate cloud infrastructure costs for AI inference.
Use tool →Embedding Cost Calculator
Estimate embedding generation costs for AI and RAG systems.
Use tool →AI Agent Workflow Cost Calculator
Estimate costs across multi-step AI agent workflows.
Use tool →AI Image Generation Cost Calculator
Estimate image generation costs across AI models.
Use tool →AI Video Generation Cost Calculator
Estimate AI video generation and rendering costs.
Use tool →Text-to-Speech Cost Calculator
Estimate voice generation costs from text usage.
Use tool →Speech-to-Text Cost Calculator
Estimate transcription costs from audio duration.
Use tool →AI Music Generation Cost Calculator
Estimate costs for AI-generated music and audio.
Use tool →Multimodal Media Cost Calculator
Estimate costs for image, video, audio, and multimodal inputs.
Use tool →Which AI Cost Calculator Should You Use?
Start with the question you are trying to answer.
| What you want to calculate | Start with |
|---|---|
| Token usage from text | Token Calculator → |
| Claude API spending | Claude API Cost Calculator → |
| OpenAI API spending | ChatGPT API Cost Calculator → |
| Compare LLM model costs | Multi-Model LLM Comparison → |
| GPU compute costs | GPU Compute Calculator → |
| Self-hosting versus API costs | Self-Hosted vs API Calculator → |
| Embedding costs | Embedding Cost Calculator → |
| AI agent workflow costs | AI Agent Workflow Calculator → |
| Image generation costs | AI Image Generation Calculator → |
How AI Cost Calculators Work
Different calculators use different pricing units, but the general process is to define the workload, estimate usage, apply the relevant pricing inputs, and project the result.
Understanding AI Costs
The main variables that can change an AI workload's cost.
Token and API Usage
Many AI APIs charge according to input and output usage. Prompt size, generated output, request volume, model selection, and caching can all affect the final estimate.
Model Selection
Different models can have different pricing structures and capabilities. Estimating workload cost before deployment can help you compare options.
Infrastructure
Self-hosted and cloud AI systems can introduce GPU, compute, storage, networking, and inference expenses in addition to model usage.
RAG and Fine-Tuning
Applications using embeddings, retrieval, vector databases, or fine-tuning may introduce additional processing and infrastructure costs.
Media Generation
Image, video, speech, voice, and music services may use different pricing units such as images, seconds, characters, minutes, or generation credits.
Scale Changes the Equation
A small per-request difference can become significant at high volume. Estimating expected usage helps expose the financial impact before deployment.
AI Cost Calculator FAQ
Common questions about estimating AI API and infrastructure costs.
How do AI cost calculators estimate costs?
Are AI cost calculators free?
What affects AI API costs?
How can I reduce AI API costs?
Are calculator results exact?
Can I compare different AI models?
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