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LLM Cost Calculator
Gemini 2.5 Flash
GPT3 Crush
OpenRouter
Estimate LLM API costs before you build — GPT-4, Claude, Gemini

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Automate workflows with AI-powered API. Leverage AI API for automation in E-Commerce, Marketing, Content Management, HR Tech, Travel, and more.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | utilitylab.dev | sharpapi.com |
| Pricing | ||
| Platforms | — | |
| Company | 2026 | Startup from the United Kingdom · 1 - 9 employees · 2023 |
| Listed in |
In their own words, as submitted to SaaSHub.


Free browser-based tool to estimate API costs for GPT-4, Claude, Gemini, and open-source models. Calculate prompt, completion, and monthly token expenses before writing code. No sign-up required. AI Cost Simulator helps developers and teams estimate LLM API pricing before they ship. Select from...
Key Features Product Description Generation: SharpAPI generates detailed and engaging product descriptions and marketing introductions, reducing time and effort for e-commerce catalog management. Product Categorization: Automatically classifies products into relevant categories, enriching product...
What each product offers, as listed by its team.


An editorial look at what each product does well and who it suits.


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SharpAPI.com Introduction - automate your workflows with an AI API
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing UtilityLab.dev and SharpAPI.
UtilityLab.dev's answer
Most LLM cost calculators are either spreadsheets or require signing up for an API. AI Cost Simulator is a free, browser-based tool that works instantly — no account, no installation, no data upload. It supports the widest range of models (GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, DeepSeek V4 Flash, and more) with both per-call and monthly volume estimates in one view.
SharpAPI's answer:
SharpAPI stands out due to its versatility and comprehensive feature set designed to streamline various aspects of application development and automation. It is often referred to as an "AI-powered Swiss Army Knife" because it offers a wide range of capabilities, including product description generation, product categorization, sentiment analysis, SEO optimization, translation, content summarization, and more. This extensive functionality can be integrated into applications with just a few lines of code, making it a powerful tool for developers looking to enhance their applications efficiently
UtilityLab.dev's answer
It's the only zero-friction cost estimator. Competitors either lock features behind sign-up walls, only support one model family, or require you to dig through separate pricing pages. AI Cost Simulator gives you a side-by-side comparison of all major LLM providers in one page — and everything runs locally in your browser, so your pricing data never leaves your machine.
SharpAPI's answer:
Comprehensive Features: SharpAPI provides a wide array of features that cover various needs such as e-commerce product descriptions, review sentiment analysis, automated content creation, and translation into multiple languages. This breadth of functionality can reduce the need for multiple APIs.
Ease of Integration: With the ability to integrate with just two lines of code, SharpAPI simplifies the process for developers, saving valuable time and resources.
Scalability and Flexibility: SharpAPI offers different pricing plans, including options for high-volume users and customizable enterprise solutions. This flexibility ensures that businesses of all sizes can find a suitable plan.
Support and Documentation: SharpAPI provides extensive documentation and SDKs for popular programming languages, making it easier for developers to get started and integrate the API into their applications
UtilityLab.dev's answer
Developers, indie hackers, and technical founders who are evaluating LLM APIs for their next project. Also product managers and engineering leads doing cost analysis before committing to a model provider at scale.
SharpAPI's answer:
The primary audience for SharpAPI includes developers, software agencies and businesses in e-commerce, marketing, content management, HR tech, and travel sectors.
UtilityLab.dev's answer
When building AI-powered features, we realized every model provider publishes pricing differently — per-token, per-character, per-request — and there's no single place to compare them. Instead of bookmarking five pricing pages and building a spreadsheet, we built a dead-simple comparison tool. We open-sourced the approach and made it free so other developers don't have to waste time doing manual math.
SharpAPI's answer:
SharpAPI is developed by A2Z WEB LTD, aiming to provide developers with a versatile and powerful tool to automate various tasks and enhance application functionalities. The API leverages advanced AI technologies to offer a broad range of features, positioning itself as a comprehensive solution for developers looking to integrate sophisticated capabilities into their applications quickly
UtilityLab.dev's answer
Vanilla JavaScript, HTML, and CSS — no frameworks, no bundlers. All cost calculations happen client-side. The tool is deployed as a static site on Cloudflare Pages for global low-latency access.
SharpAPI's answer:
SharpAPI utilizes advanced AI and machine learning technologies to deliver its diverse range of features. It supports integration through REST API endpoints and provides SDKs for languages such as Laravel, PHP, and Flutter, ensuring compatibility with a wide range of development environments
UtilityLab.dev's answer
Since it's a free browser tool with no sign-up, we don't track individual users. It's used by developers and teams evaluating LLM costs across startups, agencies, and enterprise engineering teams.
SharpAPI's answer:
While specific customer names are not disclosed, SharpAPI is utilized by businesses across various industries, including e-commerce, marketing, content management, HR tech, and travel.
Share your experience with using UtilityLab.dev and SharpAPI. For example, how are they different and which one is better?
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