# ModelPricing

> Free AI model pricing comparison and full-stack cost calculator. Compare token prices across OpenAI, Anthropic, and other providers. Estimate real production costs including inference, embeddings, search, OCR, human review, and infrastructure.

## Pages

- [AI Cost Calculator](https://modelpricing.io/): Full-stack AI system cost estimator. Input your use case, model, users, and workflow details to get monthly cost estimates with low/expected/high scenarios, cost breakdown by component, and break-even analysis.
- [AI Model Pricing Comparison](https://modelpricing.io/models.html): Side-by-side comparison of input, output, and cached token pricing for all major LLMs including GPT-5.4, GPT-4.1, Claude Opus 4.7, Claude Sonnet 4.6, Claude Haiku 4.5.
- [Methodology](https://modelpricing.io/methodology.html): How pricing data is sourced, normalised, and maintained. Data sources, update cadence, calculator methodology, and limitations.

## Current model pricing (May 2026, USD per 1M tokens)

### OpenAI
- GPT-5.4: $2.50 input / $15.00 output / $1.25 cached
- GPT-5.4 mini: $0.75 input / $4.50 output / $0.375 cached
- GPT-4o mini: $0.15 input / $0.60 output / $0.075 cached
- GPT-4.1: $2.00 input / $8.00 output / $0.50 cached (1M context)
- GPT-4.1 mini: $0.40 input / $1.60 output / $0.10 cached (1M context)

### Anthropic
- Claude Opus 4.7: $5.00 input / $25.00 output / $0.50 cached (1M context)
- Claude Sonnet 4.6: $3.00 input / $15.00 output / $0.30 cached (1M context)
- Claude Haiku 4.5: $1.00 input / $5.00 output / $0.10 cached (200K context)

## About

ModelPricing is an independent tool — not affiliated with OpenAI, Anthropic, or any AI provider. Prices sourced from official provider documentation. Verify at provider pricing pages before committing to a budget.