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Why Sero gives you more than ChatGPT
05 minutes
Core & Studio

Why we built Sero (formerly Brainvine)
In early 2022, we discovered the power of so-called LLMs. Even before ChatGPT existed, we were building our first tools for internal use at our digital agency Yellowgrape. Soon we saw that from an assistant/user distribution, the system could also function well as a chatbot. Around the same time, ChatGPT was released. Convenient, but often also underwhelming and even frustrating. Not that it is a bad tool - quite the opposite. But for professional use, we continuously see that companies and entrepreneurs encounter limitations that impede productivity.
Even now, in 2025, this is still the reality. ChatGPT has nearly a billion users. Every euro cent they save is not only a nice bonus but essential to becoming economically viable. The consequence: Still daily usage limitations that disrupt your workflow and often not the best answer you could have received.
At Sero, we decided long ago to do this completely differently.
The ChatGPT Plus reality: good foundation, annoying limitations
Let’s be honest about what ChatGPT Plus can and cannot do:
What it does have:
Native image generation (good, but with limits)
Search functionalities
Access to GPT-5 (but you never know which submodel you get)
Advanced text generation, but not without a prompt
Super accessible for everyone
Where it falls short for professionals:
Usage limits: Just when you are being productive, you hit your daily limit
Limited token window: Complex documents or long conversations are "forgotten" by the system, even with the Plus model.
Only OpenAI models: You are stuck with what OpenAI offers
Everything manual: Every action requires a new prompt
Limited automation: Repetitive tasks have to be done manually over and over again or driven with their limited agent.
No specialized tools: Basic text generation, but no specific writing and SEO tools, workflow builders, or bulk functionalities
For €23 per month, you get a chatbot that regularly frustrates you with limitations.
Our solution: Sero Core - Create (Unlimited)
We built Sero Core Create as a marketing powerhouse, without sacrificing usability. Not as a competitor to ChatGPT, but as the professional AI workplace we wanted to use ourselves.
1. Unlimited everything - productivity without interruptions
No usage limits: Generate dozens of images, perform extensive analyses, chat as much as you want. We believe creativity and productivity should not be restricted by daily limits.
All premium AI models: Why be stuck with only OpenAI? We offer access to GPT-5, Claude 4.0, Gemini 2.5 Pro, Grok 4, and more. Choose the best model for each specific task and even switch during a conversation.
Extensive context: Process complete documents and have long conversations without our system "forgetting" what you are working on. Where ChatGPT Plus stops at 32,000 tokens in terms of context window, ours sometimes goes towards a million (depending on the model).
2. Workflow Builder: real automation
A trend in the AI landscape is, of course, that you can set up automatic workflows with systems like N8n. We also have an answer to this: Our user-friendly Workflow Builder that you can use without technical knowledge to automate many tasks.
Automatic content pipelines: From research to outline to complete blog, including SEO optimization and direct publication. All without manual prompts.
Multi-agent collaboration: Our Agents work together. One conducts market research, another writes content, yet another optimizes for SEO. All coordinated, all automatic.
Transparent execution: You can see exactly what each agent is doing and can always fine-tune the process. You are at the helm.
3. Professional writing and analysis tools
We have built tools that ChatGPT simply doesn't have:
SEO-optimized content: Automatic keyword research, optimization, and performance tracking.
Tone-of-voice training: Train your Wolleys on your corporate style for consistent communication.
Bulk content generation: Thousands of product texts, blog posts, or social media posts in one run.
In-depth analysis: From competitor research to sentiment analysis, everything integrated.
4. Sero Core Feeds: enterprise-level automation
For webshops and large companies, we have built something that ChatGPT cannot match:
Upload your product feed and we automatically generate:
Unique product titles for millions of products
SEO-optimized descriptions at scale
Professional product images
Features and specifications
Companies like Traveldeal increased their conversion by 20% with our personalization at scale.
5. Wolleys: specialization over generalism
ChatGPT is one generalist model. Our Wolleys are specialized assistants that you can train for specific tasks, business knowledge, and communication styles. They work together and become increasingly better in their specialization.
Fair comparison: feature by feature
Feature | ChatGPT Plus | Sero Core Create Unlimited |
|---|---|---|
Price per month | €23 | €49,99 |
Usage limits | ❌ Daily limits | ✅ Unlimited |
AI models | Only OpenAI | ✅ All premium models |
Token window | Limited | ✅ Extensive |
Generate images | ✅ With limits | ✅ Unlimited |
Edit images | Basic | ✅ Advanced |
Workflow automation | ❌ | ✅ |
Multi-agent collaboration | ❌ | ✅ |
Advanced writing tools | ❌ | ✅ |
SEO optimization | ❌ | ✅ |
Bulk content generation | ❌ | ✅ |
Product feeds processing | ❌ | ✅ |
External integrations | Limited | ✅ Thousands via MCP |
Dutch support | ❌ | ✅ 24/7 |
Workflow Builder | ❌ | ✅ |
Custom AI assistants | Basic GPT's | ✅ Specialized Wolleys |
Automatic workflows | ❌ Everything manual | ✅ |
Value for money: the math
ChatGPT Plus: €23/month for a chatbot with daily limitations.
Sero Core Create Unlimited: €49.99/month for:
All ChatGPT Plus functionalities, but unlimited
Access to all premium AI models
Workflow automation that saves hours of work
Professional writing and analysis tools
Professional (product) image tools
Audio tools
Multi-agent collaboration
Dutch support
€16 extra for exponentially more value and productivity. In fact, if you had to purchase all the tools separately that you find within Sero, you would be spending hundreds of euros per month.
Dutch quality you can rely on
As a Dutch company, we offer:
Support in your own language, 24/7
GDPR compliance without hassle
Understanding of the Dutch market
No translation errors or cultural misunderstandings
We are based in Amsterdam, founded in 2023, and already trusted by over 20,000 professionals with a 4.7/5 Google rating.
Try the difference for 7 days for free
We are so confident in our value proposition that we give you 7 days of free access to everything. No credit card required, no hidden costs. Experience the difference between a limited chatbot and a complete AI workspace for yourself.
Why wait?
ChatGPT Plus was a good introduction to AI. But for professionals who truly want to be productive without limitations, we have built a better solution.
Stop accepting daily limits. Stop manual prompts for every action. Stop missing deadlines because your AI tool says you have used enough.
Sero Core Create Unlimited: €49.99/month
All premium AI models
Unlimited use of all features
Workflow automation
24/7 Dutch support
Advanced professional tools
Try for free for 7 days
We built Sero because we believed that professionals deserved more than usage limits and manual workflows. Thousands of users agree with us.
The question is not whether Sero is better than ChatGPT Plus. The question is how much productivity you are still willing to miss.
In a maximum of three quarters of an hour, you will get a complete picture: from platforms, integrations, and pricing to onboarding and ROI. All questions will receive a clear answer.
Get in-depth answers to all your questions
See concrete examples and live demos of the tools
Discover case studies from your sector
