LLM API Cost Calculator
Estimate what Claude, GPT or Gemini API usage will cost per call, per day and per month.
Note:Model prices refresh daily from the open-source LiteLLM pricing database, and every field stays editable. Caching, batching and long-context tiers can change real costs — check the provider's pricing page before committing to a budget.
What Is the LLM API Cost Calculator?
The LLM API Cost Calculator turns token counts and per-million-token prices into real dollar costs — per call, per 1,000 calls, per day and per month. It ships with editable presets for popular Claude, GPT and Gemini models, so you can update prices as providers change them.
How It Works
Pick a model preset (or enter custom prices), set your average input/output tokens per call and calls per day. Costs update instantly.
When to Use It
Use it to budget an AI feature, compare models for a workload, or sanity-check a surprise API bill.
Frequently Asked Questions
- Are the preset prices current?
- They reflect typical published rates but providers change pricing — the fields are editable, so plug in the latest numbers from the provider's pricing page for exact results.
Last reviewed: 2026-06-27