Know your AI API cost before you ship.
TokenMath turns prompts, model rates, and product usage into practical cost projections for OpenAI, Gemini, Anthropic, and the rest of your AI stack.
Estimated monthly cost
$85.44
Example only · 30-day projection · pricing verified 2026-07-31
Research and planning
Move from unit price to a production decision
Explore source-linked pricing, standard workload comparisons, use-case examples, developer snippets, and concise cost definitions.
Pricing guides
Provider snapshots, sources, and verification dates.
ExploreCost comparisons
Model and provider comparisons using one workload.
ExploreUse-case costs
Chatbot, RAG, image, audio, SaaS, and agency examples.
ExploreDeveloper guides
Formulas and practical AI cost planning.
ExploreCode snippets
Copy small API cost and budget helpers.
ExploreCost glossary
Plain-English token and pricing definitions.
ExploreTransparent math
See the rates, token assumptions, and formula behind every estimate.
Versioned pricing
Every result identifies its pricing source and last verified date.
Built for planning
Move from one request to daily, monthly, and yearly projections.
Calculator hub
Plan the full cost of your AI stack
Use calculators for language models, image generation, audio, embeddings, vector storage, fine-tuning ROI, prompt tokens, latency, API budgets, and SaaS unit economics.
Text-to-Token & Cost Estimator
Estimate input tokens and project OpenAI, Gemini, or Claude API spend.
Open calculatorImage Generation Cost Calculator
Compare per-image generation costs by model, size, and quality.
Open calculatorAudio Transcription Estimator
Project transcription spend from audio length and monthly volume.
Open calculatorEmbedding Cost Calculator
Estimate embedding costs from text volume, chunks, and refresh rate.
Open calculatorVector Database Storage Estimator
Estimate vector count, index size, and storage requirements.
Open calculatorDaily API Budget Planner
Turn a fixed monthly AI budget into request and user limits.
Open calculatorModel Pricing Comparison
Compare input, output, cache, and batch rates in one grid.
Open calculatorFine-Tuning ROI Calculator
Compare training investment with request savings, payback time, and projected ROI.
Open calculatorAI Token Visualizer
Inspect approximate token-sized chunks and projected context-window usage.
Open calculatorLLM Latency Estimator
Model time to first token, full response latency, and concurrent capacity.
Open calculatorSaaS Tier vs. API Cost
Compare a fixed SaaS subscription against usage-based API spend.
Open calculator