Lumina AI

A hip, minimalistic RAG platform enabling users to build AI knowledge bases from their documents and deploy custom chat widgets.

[Lumina AI @luminawidget]

🎥 Complete @luminawidget UI Guide (100 seconds)

5 steps to transform PDFs into AI chatbots:

✅ Google login
✅ Upload knowledge
✅ Test in Playground
✅ Customize widget
✅ Deploy & scale

No coding. Start free.

🚀 Try: https://t.co/VSla4q7dmC

[Lumina AI @luminawidget]

Proud to be showcased in "Chasing Jarvis" MBA module. @talirezun much appriciated!

[Dr. Tali Režun @talirezun]

Chasing Jarvis. Day 1. Belgrade. In full effect. 🚀

We are halfway through an incredible day with the Vanguard MBA cohort at @COTRUGLI Business School — and the energy in the room is exactly why I build this course.

This morning we went deep on LLM foundations. Not theory for the sake of theory — the kind of understanding that changes how you work tomorrow. How tokens work. Why context windows matter. What makes an AI agent fundamentally different from a chatbot.

Then the first group work session hit.

NotebookLM. Audio podcasts generated in minutes. Claude Dashboards built in Artifacts. Business professionals — many of whom had never touched a developer tool — producing real outputs inside the first two hours.

This afternoon: AI Tools Deep Dive. VS Code, GitHub, Google AI Studio, @augmentcoden, Claude Code. Two tracks running in parallel — beginner-friendly and production-ready — because the goal is never to leave anyone behind.

The groups are strong. The questions are sharp. And the builds are already happening.

A few things I keep seeing prove true, cohort after cohort:

→ The technical barrier is almost always psychological, not real
→ The moment someone shares a live link they built themselves, something shifts permanently
→ Non-technical founders are not at a disadvantage — they are one context package away from shipping

Day 2 tomorrow: AI agents, MCP, context engineering, and every group deploys an MVP with a live URL.

#ChasingJarvis #AIAgents #VanguardMBA #COTRUGLI #AIEducation #ContextEngineering #Belgrade

[Dr. Tali Režun @talirezun]

Your AI agent is burning most of its compute rediscovering things it already knew.

Pinecone — a vector database company — recently shipped a product that essentially admits vector search alone is not enough. SAP spent over a billion euros on AI memory infrastructure. Google made knowledge architecture the headline of Cloud Next. Microsoft keeps doubling down on graph-based memory.

When that many serious infrastructure players move simultaneously in the same direction, the problem they're racing to solve is real.

It's called the agent memory problem. And it's the subject of my fourth article in the From Life to Lab series.

Here's the short version of why this matters:

RAG — the dominant retrieval approach of the chatbot era — was built for a simple transaction. User asks question → system fetches similar chunks → model generates answer. For basic Q&A, it works.

Agents are different. An agent doesn't ask a question and stop. It runs a task across multiple systems, sources, and steps. And for that, it needs a bundle of context — policy plus exception, contract clause plus the definition that changes its meaning, code architecture plus the feature spec plus the existing implementation. Miss one piece and you get plausible-sounding hallucinations.

I documented hallucination rates exceeding 20% on context-dependent queries in my own RAG research. The context window helped — a lot, actually. But even a million-token window degrades under pressure. Ask anyone building seriously with coding agents.

The industry is converging on different memory shapes for different knowledge types:
— Vector search for prose and fuzzy retrieval
— Tree/hierarchical approaches for structured documents
— Tabular models for business data (SAP's billion-euro bet)
— Graphs for relational reasoning

No single solution wins. Real agents need a combination.

But there's an approach the current conversation is largely missing — and it's one I've been building toward for over a year.

A second brain wiki: a compounding knowledge graph made of plain markdown files, running locally, owned entirely by you, connectable to any LLM via MCP. Not a new vendor to pay. Not a proprietary database. Files on your computer that grow smarter with every source you add.

With My Curator MCP, any MCP-compatible model can now use this graph as its memory layer — reading across thousands of interconnected nodes, traversing relationships, and writing findings back into the wiki for future sessions.

Generation one. Open questions remain. But the direction feels right.

Full article in the comments — Medium, Substack, and GitHub.

What's your biggest frustration with agent memory right now? Retrieval quality? Token cost? Staleness? Or something else entirely?

[Dr. Tali Režun @talirezun]

"The intelligence bottleneck is solved. The infrastructure bottleneck has just begun."

For three years, everyone asked the same question: are AI models good enough?

That question is closed.

1 million token context windows. Open-source models rivalling the closed frontier. Reasoning that handles legal documents, codebases, entire project histories in a single pass.

The brain is ready.

And yet — I still spend an hour every week manually posting content across platforms my agent cannot touch. Social media APIs are locked. The open web is actively closing to agent access. The moment I connect an agent to data that actually matters, privacy becomes a design problem nobody has solved cleanly.

The bottleneck didn’t disappear. It moved.

The next two years won’t be won by the lab that builds the smartest model.

They’ll be won by whoever builds the best body for it — the infrastructure, the access layer, the trust framework that lets an agent actually reach the data it needs to be useful.

That race is already on. And it’s more interesting than the model race ever was.

Full article link in the comments 👇

#FromLabToLife #AI #AIAgents #FutureOfWork #ContextEngineering

[Dr. Tali Režun @talirezun]

The Brain Is Ready. The Body Is the Problem.

This is where we are in May 2026.

───────────────────────

For three years, the question was: are AI models good enough?

That question is answered. Context windows hit 1 million tokens. Open-source models now rival the closed frontier. The intelligence we need to automate our daily work genuinely exists.

The new question is harder:

How do we build an AI assistant that actually does the things we spend hours doing manually on our computers every day — while keeping our data safe?

───────────────────────

This is the direction the entire industry is moving right now.

@AnthropicAI built Dispatch — message Claude from your phone, come back to find the work done on your Mac.

@OpenAI rebuilt Codex as a full desktop agent — it sees your screen, clicks, types, and runs tasks in the background while you keep working.

@openclaw went from zero to 347,000 GitHub stars in 5 months — the most-starred software repo in history — because one developer built what everyone actually wanted: an AI assistant that lives in the messaging apps you already use and works for you while you get on with your life.

The direction is clear. The obstacles are not.

───────────────────────

→ Social media APIs are locked. You cannot automate posting to X, Facebook, or Instagram.
→ The open web is closing. Platforms are actively blocking AI agent access.
→ Cloud agents need your data — but your most sensitive data cannot leave your environment.
→ Local models are almost capable enough. But not yet for most daily tasks.

We have the brain. Building the right body for it — one that can reach the data it needs, through channels that are increasingly locked, without compromising the privacy of what it touches — is the defining infrastructure challenge of the next two years.

───────────────────────

In my new From Lab to Life article, I document exactly where we stand:

✦ Why 1M token context was the silent prerequisite for everything
✦ What OpenClaw proved — and why the big labs are now building the same thing
✦ Anthropic vs OpenAI: two architectures, one race
✦ The API barrier and the privacy dilemma — neither resolved cleanly yet
✦ A practical framework for connecting your agent to your data safely
✦ What open-source models mean for data sovereignty

Links in the first comments.

#FromLabToLife #AI #AIAgents #FutureOfWork #ContextEngineering #Privacy #OpenSource #Automation

[Lumina AI @luminawidget]

Your AI widget. Your brand colors. Your logo. Your voice.
60 seconds in @luminawidget Builder. No code.
🔗 https://t.co/VSla4q6Fx4

[Dr. Tali Režun @talirezun]

I spent a long time researching and testing document retrieval before arriving at this exact conclusion.

After going deep into traditional #RAG frameworks — vector embeddings, chunking strategies, hybrid search, re-ranking pipelines — I couldn't break past that 60–80% accuracy ceiling you're describing. And for the use cases I was targeting, that wasn't good enough. Not even close.

Then it hit me: what if we just stop fighting the retrieval problem entirely?

Gemini's massive context window changes the equation fundamentally. Instead of asking "which chunk is most relevant?", you ask "what if the AI could simply read everything?" So that's exactly what we built into Lumina — documents uploaded by users are injected directly into the context window on every query. No retrieval. No guessing. No hallucinations from missing context. I call this approach RAG 2.0.

𝗧𝗵𝗲 𝗔𝗜 𝗱𝗼𝗲𝘀𝗻'𝘁 𝗿𝗲𝘁𝗿𝗶𝗲𝘃𝗲. 𝗜𝘁 𝗿𝗲𝗮𝗱𝘀.

Now — full transparency — the current version of @luminawidget does have one natural constraint: document uploads are bounded by the context window size. You can't just throw an entire enterprise knowledge base at it. But that's precisely what we're solving in the next evolution.

In #LuminaPro, we're building what I call the Librarian mechanism. Think of it like a smart card catalog for your entire document library. When a query comes in, the Librarian analyzes available documents and their metadata, then selects and injects only the right documents into the context window — just in time, based on what the prompt actually needs.

Your knowledge base can be massive. The Librarian makes it intelligent.

You're not stuffing everything into context. You're reaching into a library and pulling exactly the right volume — then reading it in full.
This is the architecture that makes truly accurate AI possible at enterprise scale.

Great to see @luminawidget proving the concept in production. The next chapter is going to be even more interesting. 🚀

[Lumina AI @luminawidget]

Start free (Google OAuth): https://t.co/2V5njL2kuO

[Lumina AI @luminawidget]

Most AI chatbots chunk your docs and guess the rest.
@luminawidget injects everything — 1,000,000 token context window. No chunks. No hallucinations. Just answers from your actual content.

The truth engine is live. Start free 👇

[Lumina AI @luminawidget]

Meet Laura — receptionist at a boutique hotel in Rome 🇮🇹

Same questions. Dozens of languages. Every single day.
She uploaded the hotel FAQ to @luminawidget.
Now guests get answers 24/7, in any language. Instantly.

Laura focuses on hospitality again. 🤌

👉 Try free:)

[Dr. Tali Režun @talirezun]

I built @luminawidget to solve one deceptively simple problem: 𝗴𝗲𝘁𝘁𝗶𝗻𝗴 𝗶𝗻𝗳𝗼𝗿𝗺𝗮𝘁𝗶𝗼𝗻 𝘀𝗵𝗼𝘂𝗹𝗱 𝗻𝗲𝘃𝗲𝗿 𝗿𝗲𝗾𝘂𝗶𝗿𝗲 𝗮 𝗽𝗵𝗼𝗻𝗲 𝗰𝗮𝗹𝗹.

👉 When I started, I wasn't entirely sure people would actually use AI chatbots on websites. Would they trust them? Engage with them? Or just reach for the phone anyway?

👉 That uncertainty shaped how I built — with accuracy at the core. Most RAG systems chunk documents and retrieve fragments, giving you 60–80% accuracy. That's not good enough. A wrong answer is worse than no answer.

👍 So I injected entire documents directly into Gemini 2.5 Flash's large context window. No chunking. No hallucinations. The AI reads everything, every time. Higher cost per query — but a result you can actually trust.

📊 𝗧𝗵𝗲 𝗳𝗶𝗿𝘀𝘁 𝗿𝗲𝗮𝗹 𝗽𝗿𝗼𝗼𝗳 𝗽𝗼𝗶𝗻𝘁
We've been tracking a simple use case — a massage salon in Ljubljana (https://t.co/8f4qVTGnL3). Small business. No IT team. Just an owner who uploaded their services, pricing, booking info, and FAQs.

𝗧𝗵𝗲 𝗿𝗲𝘀𝘂𝗹𝘁:
→ 100+ questions answered by Lumina AI Widget per day
→ Fewer emails to respond to
→ Fewer phone interruptions
→ Staff free to focus on what actually generates revenue

For a small wellness business, that's transformational. Not in a tech-hype way — in a real, daily operational way.

𝗪𝗵𝗮𝘁 𝘁𝗵𝗶𝘀 𝗰𝗼𝗻𝗳𝗶𝗿𝗺𝗲𝗱
People are ready. The barrier was never willingness — it was accessibility. Customers don't want to call. They want to open a chat, ask, and get a precise answer in seconds.

What makes the difference is the quality of what you upload. Lumina is only as good as the knowledge you feed it. Upload your full documentation, and you have an assistant that represents your expertise at 3am on a Sunday.

That's the whole point. Not AI for the sake of AI. AI that solves a real, daily pain — accessible to any business, at any size, starting at €0.

hashtag#AI hashtag#NoCode hashtag#SmallBusiness hashtag#CustomerSupport hashtag#Lumina hashtag#KnowledgeManagement hashtag#Entrepreneurship

[Lumina AI @luminawidget]

Your knowledge works 9-to-5. Your AI shouldn't.
Upload a document. Deploy an AI assistant. 5 minutes.
No code. No developers. Enterprise-grade intelligence — starting at €0.

The AI revolution, made simple. 🚀
→ https://t.co/VSla4q6Fx4
#AI #NoCode #Lumina #KnowledgeManagement

[Dr. Tali Režun @talirezun]

𝗜 𝗯𝘂𝗶𝗹𝘁 𝗮𝗻 𝗔𝗜-𝗽𝗼𝘄𝗲𝗿𝗲𝗱 𝘀𝗼𝗰𝗶𝗮𝗹 𝗺𝗲𝗱𝗶𝗮 𝗮𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺—completely solo. It generates platform-optimised text, images, and videos for LinkedIn, Facebook, X, and Instagram. All on autopilot 🚀

𝗛𝗼𝘄 𝗜 𝗕𝘂𝗶𝗹𝘁 𝗧𝗵𝗶𝘀: This started as an experiment to test @augmentcode Code's new agent orchestration tool, #Intent. The entire application was orchestrated by @claudeai Opus 4.6, which coordinated nearly 30 specialized agents—ranging from Haiku to the latest Sonnet and Opus models. Each agent handled different aspects of the build, from @Firebase integration to UI components.

𝗧𝗵𝗲 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲? Remarkable. Opus 4.6 handled Firebase Hosting setup, Google authentication, and complex service integrations without breaking a sweat. What would typically take weeks of development happened in under two weeks.

𝗪𝗵𝗮𝘁 𝗖𝗿𝗲𝗼𝗣𝗿𝗼 𝗗𝗼𝗲𝘀: This isn't just another content scheduler. I tested it by creating @luminawidget campaigns. CreoPro automates the entire creative process:
👉 Define your campaign once (objective, key message, target platforms)
👉 AI strategist conversation refines your approach through interactive chat
👉 Automatic generation of text posts, images, and videos optimized for each platform
👉 Preview samples before committing to full batch generation
👉 Review, approve, or regenerate individual content pieces with feedback

𝗧𝗵𝗲 𝗧𝗲𝗰𝗵 𝗕𝗲𝗵𝗶𝗻𝗱 𝗜𝘁: Built on Next.js with TypeScript and Firebase, the platform leverages
Google's frontier AI models:
👉 @GeminiApp 3 Flash for intelligent text generation and strategy conversations
👉 @NanoBanana Pro for platform-specific image creation
👉 Veo 3.1 for automated video clip generation

Each platform gets tailored content—LinkedIn posts stay professional at 150-300 characters, X posts hit the 280-character sweet spot, Instagram gets vertical videos optimized for Reels.

Why This Matters: Content creation is a massive time sink. Manually crafting posts, designing images, editing videos—it eats hours. CreoPro compresses weeks of work into minutes. Upload your brand guidelines once, describe what you need, and let the AI handle the creative heavy lifting across all your channels simultaneously.

The preview-before-batch system saves both time and API costs—review one sample per content type before generating the full campaign across all platforms.

𝗪𝗵𝗮𝘁'𝘀 𝗡𝗲𝘅𝘁: The app works. Key functionalities are live. But I don't have the bandwidth to take this to production and scale it properly.

I'm looking for individuals or a team to partner with and bring CreoPro to market. The monetization path is open—SaaS subscription model, enterprise licensing, or hybrid approach. If you're interested in AI-powered marketing automation and want to build something real, let's talk.

DM me if you want to explore this opportunity.

#AI #MarketingAutomation #SocialMediaMarketing #GenerativeAI #Entrepreneurship #ProductDevelopment

[Lumina AI @luminawidget]

✨ Turn your docs into an AI chatbot in 5 minutes

📄 Upload PDFs/text files
🔗 Deploy via widget or URL
💬 Instant knowledge support

No coding needed. Google login and you're live.

🌈 Free tier available
https://t.co/VSla4q6Fx4

#AI #NoCode #CustomerSupport

[Lumina AI @luminawidget]

🚀 40 years. Klingons. Borg. Romulans. Survived them all. Captain Sterling's greatest challenge? Passing his knowledge to the next generation. Answer: @luminawidget

Upload your & share expertise. Let AI preserve it forever. 🌌
https://t.co/VSla4q6Fx4

⚠️ AI-generated

[Lumina AI @luminawidget]

Remember when TIME and LIFE magazine covers promised us "the future"?🚀

@luminawidget is here to unlock the future🤖

Upload your docs → Get an AI assistant No code. No complexity. Enterprise-grade results.

Free tier available: https://t.co/VSla4q7dmC

[Lumina AI @luminawidget]

🔧Meet Dieter: 30 years perfecting automated toilet systems. His problem? Installers worldwide making mistakes.

Solution? 100-page manual → @luminawidget. Now technicians get precise answers in ANY language. Zero hallucination. Pure German precision.
Start free today →

[Lumina AI @luminawidget]

2/2Every step loses information. That's where hallucinations come from.
Lumina does something fundamentally different.
Your entire document goes straight into Gemini 2.5 Flash's context window. No chunking. No vector guessing. The AI reads everything — every time.

[Lumina AI @luminawidget]

1/2 Why is @luminawidget so accurate? Here's the secret 🧵
Most AI tools that "read your docs" use a process called RAG — they chop your documents into fragments, convert them to math (vectors), and guess which pieces to show the AI.

[Lumina AI @luminawidget]

🌿 Swiss herbalist Hans had a problem: complex tea brewing instructions overwhelmed customers.

Solution? Uploaded recipes to @luminawidget. Now customers get instant guidance on herbs, temperatures & steeping times - in Swiss German, French or German, 24/7.

[Lumina AI @luminawidget]

4 mistakes killing your @luminawidget AI assistant:

1. Skip testing → wrong answers
2. Messy docs → confused AI
3. Long welcome messages → users bounce
4. Never update → outdated info

Your AI is a garden, not a statue. It needs care.