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

We are excited about solving customer’s complex accounting, distribution, POS, Payroll and mobiles sales application problems.

Which is more popular?
Based on our record, Flex Software seems to be more popular. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | utilitylab.dev | flexsoftware.com.my |
| Pricing | — | |
| Company | 2026 | — |
| 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...
Flex Software is an accounting software company that is developing a software solution for Insurance Agents. Our product is called SAMS (Smart Agent Management System). The software will be cloud based online Customer Relationship Management for Life and General Insurance Agents. The platform...
What each product offers, as listed by its team.


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


No analysis of UtilityLab.dev yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing UtilityLab.dev and Flex Software.
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.
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.
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.
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.
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.
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.
Share your experience with using UtilityLab.dev and Flex Software. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking UtilityLab.dev since Jul 2026.
Flex Software is the Best Accounting Software Companies in Malaysia that provides specialised IT services, for individual companies with specialised Hardware or Software product requirements while making every effort to provide the best... Source: over 3 years ago
Flexsoftware is a comprehensive and reliable accounting software based in Malaysia. It provides a range of features to help businesses track their financials more efficiently. Users benefit from intuitive controls and the ability to... Source: almost 4 years ago
Flex Software is the best online Accounting Software in Malaysia for Small, Mid-size and Large Businesses at Best Prices. It is easy and user-friendly accounting software to manage your business. Customers have different needs and Flex... Source: almost 4 years ago
When comparing UtilityLab.dev and Flex Software, you can also consider the following products.


Buy bitcoin and crypto instantly! Gemini is a simple and secure* platform to build your crypto portfolio.
Compare Gemini.com to UtilityLab.dev or Flex Software:

Free AI token counter and cost calculators: tokens and API cost for GPT, Claude and Gemini, subscription vs API, coding agents. Private, no sign-up.
Compare Tokensave.app to UtilityLab.dev or Flex Software:

Estimate and compare AI API costs across GPT, Claude, Gemini, DeepSeek, and Mistral models instantly.
Compare LLM Cost Calculator to UtilityLab.dev or Flex Software:

Fast, Efficient AI with Controllable Reasoning
Compare Gemini 2.5 Flash to UtilityLab.dev or Flex Software:

Curated list of OpenAI's GPT3 demos
Compare GPT3 Crush to UtilityLab.dev or Flex Software: