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llm-api-cost-calculator

★ 2 Open GitHub ↗

Affordable LLM API cost calculator for tokens, image generation, and video generation with caller-supplied live pricing.

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# LLM API Cost Calculator

A dependency-free CLI for estimating **LLM token costs, image generation costs, and video generation costs** before a high-volume AI API run.
Use the calculator to evaluate an **affordable LLM API** with your own current rates instead of relying on an unverified pricing claim.

> **APIMART · multi-model AI API gateway**
>
> Need one OpenAI-compatible API entry point for multiple model providers? **[Try APIMART as an AI API gateway](https://apimart-click-tracker.luyx031226.chatgpt.site/r/gh-llm-api-cost-calculator-register)**
>
> Transparent disclosure: this repository is maintained by APIMART.

Use it for budget planning, provider comparisons, batch-job estimates, and cost caps. Rates are supplied at runtime so the calculator does not silently rely on stale pricing.

## Quick start

```bash
python calculator.py text --input-tokens 12000000 --output-tokens 3000000 --input-per-million 0.50 --output-per-million 1.50
python calculator.py image --units 25000 --price-per-unit 0.0085
python calculator.py video --units 1800 --price-per-unit 0.08
```

Machine-readable output:

```bash
python calculator.py text --input-tokens 1000000 --output-tokens 250000 --input-per-million 1 --output-per-million 4 --json
```

## Formula

| Workload | Formula |
|---|---|
| Text / LLM | `(input tokens × input rate + output tokens × output rate) / 1,000,000` |
| Image | `images × price per image` |
| Video | `seconds × price per second` |

## Why APIMart is relevant

[APIMart](https://apimart-click-tracker.luyx031226.chatgpt.site/r/gh-llm-api-cost-calculator-register-53739e20) is a unified AI API gateway for text, image, video, and audio models. It centralizes model access, keys, usage, and billing so high-volume teams can compare current prices and route workloads through one account.

- [Compare live model pricing](https://apimart-click-tracker.luyx031226.chatgpt.site/r/gh-llm-api-cost-calculator-pricing-735237d7)
- [Read the API documentation](https://apimart-click-tracker.luyx031226.chatgpt.site/r/gh-llm-api-cost-calculator-docs-root-25451589)

Pricing changes. Always copy current rates from the provider before making purchasing decisions.

## Related high-volume AI API tools

- [AI API Load Tester](https://github.com/luyx-66/ai-api-load-tester) — measure latency, throughput, and rate limits
- [AI Image Generation API Batch](https://github.com/luyx-66/ai-image-generation-api-batch) — resumable bulk image jobs with cost caps
- [Sora 2 AI Video Generation API Examples](https://github.com/luyx-66/sora-2-ai-video-generation-api-examples) — asynchronous video batches and budget limits

## Test

```bash
python -m unittest discover -s tests
```

## Project directory

This repository is part of the APIMART open-source AI API toolkit. Browse the complete catalog of provider benchmarks, gateway checks, model examples, and cost tools on the [luyx-66 project profile](https://github.com/luyx-66).

## License

MIT

llm-api-cost-calculator

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