LLM Cost Calculator & Comparison Tools

Compare LLM Pricing Across Every Major AI Provider

Calculate token costs, estimate monthly API spending, and compare pricing across every major LLM provider — all in one place. LLM Calculators is a free suite of interactive calculators and comparison tools designed for developers, product managers, and business leaders who need clear answers about AI costs before they commit. Compare input and output token pricing, estimate costs for different usage volumes, find the right model for your use case, and visualize context window sizes across the latest models from OpenAI, Anthropic, Google, xAI, Meta, Mistral, DeepSeek, and others. No signup required. No API calls. All calculations run instantly in your browser. Pricing data is sourced directly from official provider pages and updated regularly so you always have the numbers you can trust.

65

Models Tracked

9

Providers

Free AI Pricing Tools

Quick Pricing Snapshot

ModelProviderInput/1MOutput/1M
GPT-5.4OpenAI$2.50$15.00
Claude Opus 4.6Anthropic$5.00$25.00
Gemini 3.1 ProGoogle$2.00$12.00
Grok 4xAI$3.00$15.00
Mistral Large 3Mistral$0.5000$1.50
Nova 2 ProAmazon$1.25$10.00
Command ACohere$2.50$10.00
GPT-5.4 ProOpenAI$30.00$180.00
GPT-5.4 miniOpenAI$0.7500$4.50
Mistral Small 4Mistral$0.1500$0.6000

Why Use LLM Calculators?

AI model pricing is fragmented across dozens of provider pages, with different units, tiers, and discount structures. LLM Calculators brings all of this into one place with interactive tools that give you personalized answers based on your specific usage patterns. Whether you are estimating the cost of a new chatbot, comparing models for a RAG pipeline, or budgeting your AI infrastructure spend for the quarter, these tools give you the numbers you need in seconds.

How Our Data Stays Current

All pricing data on LLM Calculators is sourced directly from official provider pricing pages. We track pricing changes across OpenAI, Anthropic, Google, xAI, DeepSeek, Meta, and Mistral. When a provider updates their pricing or launches a new model, our data is updated to reflect the change. Every page displays a last-updated timestamp so you always know how fresh the data is.

Frequently Asked Questions

How accurate is the pricing data on LLM Calculators?
All pricing is sourced from official provider pricing pages and verified regularly. We display a last-updated date on every page. If you notice outdated pricing, please contact us and we will update it immediately.
Which AI model providers do you cover?
LLM Calculators covers all major LLM API providers: OpenAI (GPT-5.4, GPT-5.2, GPT-4o series), Anthropic (Claude Opus 4.6, Sonnet 4.6, Haiku 4.5), Google (Gemini 3.1 Pro, Gemini 3 Flash, Gemini 2.0 Flash Lite), xAI (Grok 4.1), DeepSeek (R1, V3), and Mistral (Large, Small).
Is LLM Calculators free to use?
Yes, all calculators and comparison tools are completely free with no signup required. All calculations run locally in your browser — we never charge for usage.
How often is the pricing data updated?
We check official provider pricing pages weekly and update our data whenever changes are detected. Major model launches and pricing changes are typically reflected within 24-48 hours.
What is the cheapest LLM API available in 2026?
the cheapest LLM APIs by input token price are Gemini 2.0 Flash Lite at $0.08 per million tokens, GPT-5 nano at $0.05 per million tokens, and Mistral Small at $0.10 per million tokens. The best value depends on your specific use case — use our Model Selector tool to find the right fit.

Pricing data last verified against official provider pages. All calculations run locally in your browser. LLM Calculators is not affiliated with any AI model provider.