# Brilliant vs ModelFusion

Brilliant records 2,426,610 monthly visits with -11.9% month-over-month growth and Freemium pricing. ModelFusion records 119 monthly visits with -88.2% growth and Freemium pricing.

| Metric | [Brilliant](https://openaitools.app/tool/brilliant) | [ModelFusion](https://openaitools.app/tool/modelfusion) |
| :--- | :--- | :--- |
| Website URL | https://brilliant.org | https://modelfusion.io |
| Categories | AI Course, AI Tutorial, AI For Data Analytics | AI Models, Large Language Models (LLMs), AI Chatbot, AI Image Generator |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 2,426,610 | 119 |
| MoM Growth Rate | -11.9% | -88.2% |
| Primary Market | United States | Global |
| Direct Visits | 1,204,931 | 51 |
| Review Score | 4.6 | 4.2 |
| Saved Count | 0 | 1 |
| Supported Platforms | Website | Website |

## Brilliant

Brilliant takes a different approach to learning: rather than watching long videos or reading dense textbooks, you build understanding by solving interactive problems. Lessons break big ideas down into small visual steps, so concepts in algebra, calculus, statistics, logic and Python become intuitive. The platform is designed for self-paced learners from roughly middle-school level up to college and beyond, and it adds a new AI tutor called Koji who asks guiding questions and sketches on screen to help you find answers yourself.

Beyond pure math, Brilliant covers computer science fundamentals, programming, data analysis and how modern AI actually works, including neural networks, tokenization and model reasoning. Each track uses mastery assessments that adapt to your level, revisiting weak spots and serving targeted practice so progress is measurable rather than vague. Real-world examples, such as image filters or password security, connect abstract ideas to everyday technology.

The platform is also used by schools and families. It is accredited by ACS WASC, certified under the kidSAFE/COPPA program, and offers classroom and teacher programs so educators can assign adaptive lessons and homework. For individual learners, the app is available on web and mobile, with progress syncing across devices.

**Pricing & Plans:** Brilliant uses a freemium model: a limited free experience is available, while a Premium subscription unlocks the full course library and unlimited practice. Annual plans are the cheapest per month, and there are separate school/classroom plans.

- **Interactive problem-based lessons:** Learn math, science, CS and AI through short, visual exercises that build intuition step by step rather than passive video watching.
- **Koji AI tutor:** A visual, interactive tutor that works on a shared canvas, asks guiding questions and gives hints without simply revealing the answer.
- **Adaptive mastery assessments:** Quizzes and reviews adapt to your level, tracking what you have mastered and resurfacing topics that still need work.
- **Coding and CS foundations:** Write and run real code to learn programming logic, algorithms, data structures and debugging skills relevant to the AI era.
- **Courses for schools and families:** Accredited classroom programs let teachers assign adaptive lessons, with kidSAFE/COPPA-certified privacy protections.

**Strengths:** Hands-on, visual format makes abstract concepts easier to grasp; Access to the Koji AI tutor that guides rather than gives away answers; Accredited and kidSAFE/COPPA certified, suitable for schools and families; Works across web and mobile with syncing progress

**Limitations:** Full course library requires a paid Premium subscription; Not a replacement for formal instruction or credentials; Some advanced or niche topics are not covered deeply

[Profile (Markdown)](https://openaitools.app/tool/brilliant.md)

## ModelFusion

ModelFusion is a toolkit aimed at people who work with many large language models at once and want to make better cost and capability decisions. Its core is a set of free, browser-based utilities: an LLM cost calculator that estimates API spend across providers, a prompt tokenizer for counting tokens and trimming prompt length, a model selector quiz, a benchmark comparator using metrics like MMLU and HumanEval, a local LLM runner guide for Ollama and LM Studio, an open-source model directory and a glossary of AI terms.

Beyond the calculators, ModelFusion also markets a product layer: MultiChat for comparing responses from multiple models side by side, document projects for chatting with uploaded PDFs and Word files, a unified API that presents one interface across providers, and usage analytics for tracking cost and performance. The site positions these as suitable for research, business, development and education audiences.

Much of the toolkit is completely free and needs no registration, with the latest model pricing and benchmark data refreshed regularly. Because the underlying costs it reports come from third-party providers, users should still confirm current rates with OpenAI, Anthropic, Google or whichever vendor they rely on, as provider pricing changes often.

**Pricing & Plans:** ModelFusion's calculators, prompt library and comparison tools are advertised as 100% free with no registration required. The platform also lists paid tiers (a Free Trial and Paid options) for its API and enterprise-style usage, so teams needing the unified API or dedicated support should check current plans on the site.

- **LLM cost calculator:** Estimate API costs for GPT-4, Claude, Gemini and 25+ models and compare pricing across providers before you spend.
- **Prompt library and tokenizer:** Access a large library of ready-made prompts and count tokens for any model to reduce cost and improve efficiency.
- **Model selector and benchmark comparator:** Find the best model for a use case and compare MMLU, HumanEval and other performance metrics interactively.
- **MultiChat and document projects:** Chat with several AI models at once for side-by-side comparison, and upload PDFs or Word files to query them with AI.
- **Unified API and observability:** Use a single consistent interface across providers, with analytics for tracking usage, cost and performance.

**Strengths:** Large collection of genuinely free utilities with no sign-up needed.; Useful for comparing pricing and benchmarks across many models in one place.; Covers practical extras like token counting and local model setup guides.; Includes a MultiChat view for comparing model answers directly.

**Limitations:** Some tools are informational and model data can lag behind very fast-moving provider updates.; Cost figures are estimates based on third-party pricing and should be verified with each provider.

[Profile (Markdown)](https://openaitools.app/tool/modelfusion.md)

## Frequently Asked Questions

### How do Brilliant and ModelFusion compare in monthly traffic?

Brilliant has 2,426,610 monthly visits, while ModelFusion has 119. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

Brilliant has a month-over-month growth rate of -11.9%; ModelFusion has -88.2%.

### How does pricing compare?

Brilliant: Freemium. Brilliant uses a freemium model: a limited free experience is available, while a Premium subscription unlocks the full course library and unlimited practice. Annual plans are the cheapest per month, and there are separate school/classroom plans. ModelFusion: Freemium. ModelFusion's calculators, prompt library and comparison tools are advertised as 100% free with no registration required. The platform also lists paid tiers (a Free Trial and Paid options) for its API and enterprise-style usage, so teams needing the unified API or dedicated support should check current plans on the site.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [Code Arena](https://openaitools.app/tool/code-arena) | 35,827,928 | +19.4% | Free | Battle-test AI coding models side by side | [.md](https://openaitools.app/tool/code-arena.md) |
| 2 | [Coddy](https://openaitools.app/tool/coddy-tech) | 7,478,457 | +17.8% | Freemium | Focuses specifically on interactive programming and coding lessons, whereas Brilliant covers broad STEM and math concepts. | [.md](https://openaitools.app/tool/coddy-tech.md) |
| 3 | [Astra AI](https://openaitools.app/tool/astra-ai) | 7,356,157 | +40.3% | Freemium, Paid | Your personal AI tutor for every subject, from notes to exam day. | [.md](https://openaitools.app/tool/astra-ai.md) |
| 4 | [DataCamp](https://openaitools.app/tool/datacamp-com) | 6,237,230 | -0.4% | Freemium | Provides deep interactive training for data science and programming, but omits foundational math and general science topics. | [.md](https://openaitools.app/tool/datacamp-com.md) |
| 5 | [Up Learn](https://openaitools.app/tool/uplearn-co-uk) | 1,346,342 | +49.9% | Free Trial, Paid | AI-powered A Level and GCSE courses with a top-grades-or-refund guarantee | [.md](https://openaitools.app/tool/uplearn-co-uk.md) |
| 6 | [LabEx.io](https://openaitools.app/tool/labex-io) | 1,127,110 | -9.3% | Freemium | Learn Linux, DevOps, and cybersecurity by doing — inside real online labs. | [.md](https://openaitools.app/tool/labex-io.md) |
| 7 | [Gauth](https://openaitools.app/tool/gauth) | 619,147 | +180.7% | Free Trial | Excels at step-by-step homework solving and AI tutoring, but provides less structured visual concept-building courses. | [.md](https://openaitools.app/tool/gauth.md) |
| 8 | [Smartick](https://openaitools.app/tool/smartick-es) | 361,154 | -9.1% | Free Trial, Paid | Provides adaptive daily math and logic practice for children, but has less emphasis on advanced visual science lessons. | [.md](https://openaitools.app/tool/smartick-es.md) |
| 9 | [Surge AI](https://openaitools.app/tool/surgehq-ai) | 245,142 | +6.6% | Contact for Pricing | Expert human data and evaluation for training frontier AI | [.md](https://openaitools.app/tool/surgehq-ai.md) |
| 10 | [Models.dev](https://openaitools.app/tool/models-dev) | 200,451 | -3.9% | Free | Open-source database of AI models, prices and capabilities | [.md](https://openaitools.app/tool/models-dev.md) |

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Source: https://openaitools.app/compare/brilliant-vs-modelfusion

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