Lumina

What it does

Experiment marketing at scale with your target audience. Test your ideas, content, and messages on AI-simulated audiences before launching.

AI personas that behave like your real audience — reacting, engaging, and deciding in real time. Access high-value audiences. Understand decision-makers. Discover critical insights. Companies launch campaigns without knowing how real people will react — and only learn the truth after the money is already spent. Replace weeks of recruitment and fieldwork with instant responses. Run thousands of interviews before your competitor sends one survey. Every persona is demographically and psychographically calibrated, creating responses as nuanced and diverse as real humans. Go beyond surface-level answers. Our personas reason, reflect, and respond with the depth of genuine human cognition.…from getlumina.in

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  Market Test2023 · conjointly.com · ▲177

  Validate human and AI-generated creative assets in 2 hours

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  Marketing Campaign Simulator2023 · protoolio.com · ▲88

  Evaluate the impact your campaigns will have on your SaaS

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  200 ChatGPT 4.0 prompts for Marketing2023 · felixdigistash.gumroad.com · ▲94

  Let AI work for you and become the best in marketing

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  Probe2025 · probe-six.vercel.app · ▲10

  Simulate customer interviews

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  creative.consumr.ai2025 · creative.consumr.ai · ▲33

  Creatives Reviewed by 3+ Million Real Buyers—in Minutes

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  SimlateMay 2026 · simlate.world · ▲3

  Ideate & predict audience reaction before you launch content

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  Spira Maxima▲578

  Video model that turns script into viral social media videos

  AI · 19d ago · spira.ai

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  Rill Browser▲540

  The browser where Claude Code and Codex work beside you

  AI · 19d ago · rill.love

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  Germany's new sovereign AI model Kolibri▲424

  Kolibri is Aleph Alpha

  AI · 21d ago · tej.as

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  Giving Opus 5.5 a simulated paint canvas▲392

  Paintings by AI models: programs run through a simulation of oil paint.

  AI · 22d ago · stillwet.art

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  Beam.win▲379

  Run AI agents on one Mac and use its windows on another

  AI · 5d ago · beam.win

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  FastRouter.ai▲364

  Route requests to the right LLM for cost, latency & quality

  AI · 23d ago · fastrouter.ai

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  Brila▲1,364

  One-page websites from real Google Maps reviews

  AI · Apr 2026 · brila.ai

• AG
  A game where you build a GPU▲964

  Thought the resources for GPU arch were lacking, so here we are

  Life & fun · Apr 2026 · jaso1024.com

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  I built a tiny LLM to demystify how language models work▲915

  Built a ~9M param LLM from scratch to understand how they actually work. Vanilla transformer, 60K synthetic conversations, ~130 lines of PyTorch. Trains in 5 min on a free Colab T4. The fish thinks the meaning of life is food. Fork it and swap the personality for your own character.

  AI · Apr 2026 · github.com

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  Fathom 3.0▲800

  AI meeting notes: now bot-free, in ChatGPT & Claude + more

  AI · Apr 2026 · fathom.ai

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  Brutalist Concrete Laptop Stand (2024)▲786

  I made a laptop stand out of solid concrete, in the style of brutalist architecture, with themes of urbex and urban decay

  Life & fun · Apr 2026 · sam-burns.com

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  I built a frontpage for personal blogs▲783

  With social media and now AI, its important to keep the indie web alive. There are many people who write frequently. Blogosphere tries to highlight them by fetching the recent posts from personal blogs across many categories. There are two versions: Minimal (HN-inspired, fast, static): https://text.blogosphere.app/ Non-minimal: https://blogosphere.app/ If you don't find your blog (or your favorite ones), please add them. I will review and approve it.

  AI · Apr 2026 · text.blogosphere.app