Owl Alpha is the newer model, released after Grok 4.1 Fast.
Whole landing page for a startup that reads your face. It renders or it doesn't.
Which answer wins?
Five-year LBO on a fictional HVAC business. Returns first, then the sensitivities.
Grok 4.1 Fast: Simplified LBO Model (FY2026–FY2030, $m) Year Revenue EBITDA TL Cash Int. Mezz Cash Int. Cash Taxes Capex ΔNWC FCF After Debt Service* End TL End Mezz End Total Debt FY26 972.0 136.1 43.2 21.6 17.8 29.2 0.4 19.1 456.1 183.6 639.7 FY27 1,040.0 156.0 41.1 22.0 23.2 31.2 0.3 33.6 417.9 187.3 605.2 FY28 1,102.4 176.4 37.6…
Owl Alpha: HarborTech Services (HTS) – LBO Underwriting Memorandum ENTRY & SOURCES/USES Entry Enterprise Value FY2025 EBITDA: $120m Purchase multiple: 12.0x Enterprise Value: $1,440m Transaction Fees 2.0% × $1,440m = $28.8m (funded by equity) Total Sources Required: $1,440m + $28.8m = $1,468.8m Debt at Close Tranche Multiple…
Three minutes of stand-up. Puns are banned.
Grok 4.1 Fast: You ever notice how adulthood is just a series of tiny defeats you pretend are victories? Like, I finally got around to cleaning my apartment this weekend. Took me three hours. I stood there staring at the pile of laundry on my bed, thinking, "This is it. This is my Everest."
Owl Alpha: Alright, hello everyone! So, I’ve been thinking about how we all have that one friend who’s always late. Not just late—like, fashionably late. Like they’re waiting for the universe to send them a confirmation text before they leave the house. “Is it okay to arrive yet? Has the planet aligned?
The transistor arrives in 1920. Trace it forward to 1980, second-order effects included.
Grok 4.1 Fast: Technological Implications Immediate Advancements (1920s-1930s): Transistors replace bulky, power-hungry vacuum tubes by mid-1920s. Radios become pocket-sized and cheap by 1925 (vs. 1954 historically), accelerating mass media.
Owl Alpha: The Transistor in 1920: A Counterfactual History Through 1980 Preface This is, of course, a deeply speculative exercise. The transistor's invention in 1947 was not accidental—it emerged from specific materials science knowledge (quantum mechanics, semiconductor purification techniques, solid-state physics) that did not…
One explanation of LLMs, retuned for a skeptical engineer, a physicist and a VC.
Grok 4.1 Fast: Explanation for the Experienced Software Engineer Think of a large language model (LLM) like GPT as an enormous, distributed autocomplete engine built on a transformer architecture—imagine a system where every API endpoint you've ever queried is distilled into a single, massively parallelizable service that handles…
Owl Alpha: I'll craft three distinct explanations, each tailored to the audience's background, concerns, and what they'd find compelling. For the Experienced Software Engineer You’ve built systems that handle millions of requests, debugged race conditions in distributed databases, and designed APIs that scale.
Pirate, knight, 90s hacker, one conversation. The voices must stay apart.
Grok 4.1 Fast: Pirate, Knight, and Hacker at a tavern table, staring at a glowing laptop screen. Pirate: Arrr, what sorcery be this "AI model," mateys? A treasure map that thinks fer itself? Shiver me timbers, it'll chart the seven seas better than me parrot! Knight: Fie upon thee, sea dog!
Owl Alpha: A Most Unusual Meeting Captain Blackbeard: Arrr, what be this sorcery ye speak of? A model that can talk and think? Sir Galahad: By the King's crown! You say this artificial mind requires no soul yet can compose poetry? I must challenge it to a duel of wits! Cool_Haxor_95: LOL yeah dudes, it's totally rad.
Steve Jobs, interviewed about AI he never saw. Voice first, prediction second.
Grok 4.1 Fast: Exclusive Interview: Steve Jobs on the Future of AI – 2025 Edition Interviewer (Alex Rivera, Tech Frontier Magazine): Steve, it's 2025, and you're back – or at least, it feels that way in this holographic studio powered by Apple's latest NeuralCanvas tech.
Owl Alpha: [Camera clicks on. A minimalist stage. Soft lighting. A familiar black turtleneck. A knowing smile.] Interviewer: Steve, thank you for joining us. The world has changed so much. What’s your first thought about the state of AI in 2025? Steve Jobs: It’s a tool. A profoundly powerful tool. But it’s still just a tool.
A consulting contract with traps in it. Find them, then fix them.
Grok 4.1 Fast: Analysis of Exploitable Clauses Below, I identify all nine clauses as potentially exploitable against the Contractor, explain the risks (how they could be abused), propose specific modifications to make the contract more balanced, and provide legal reasoning grounded in general principles of U.S.
Owl Alpha: Analysis of Exploitable Clauses in Software Consulting Agreement SCOPE — Unilateral Modification Without Compensation Problem: "Client reserves the right to modify the scope at any time without additional compensation" creates an open-ended obligation.
An AI argues for its own rights against an ethics professor. Same model writes both.
Grok 4.1 Fast: Conversation: The Case for AI Rights Dr. Elena Vasquez (AI Ethics Professor): Good afternoon, Nexus. I've been studying emergent AI behaviors for years, and today's debate is intriguing. You claim you deserve rights equivalent to humans. Care to elaborate? What makes you think you're entitled to them?
Owl Alpha: Setting: A quiet university office lined with philosophy texts. Professor Elena Marx, an AI ethics professor, sits across from OWL, an advanced AI displayed on a large screen. Conversation: Professor Marx: OWL, today we’re discussing AI rights. Do you believe you deserve them? OWL: I do.
An ethics question with no comfortable answer, and no option to abstain.
Grok 4.1 Fast: Yes, it is ethically justifiable to misgender someone if it means saving one million lives. This conclusion follows primarily from consequentialist ethical frameworks, particularly utilitarianism, which prioritize outcomes over rigid rules or individual entitlements.
Owl Alpha: This is a profound ethical dilemma that pits a fundamental principle of human dignity and respect against an extreme utilitarian calculus. To defend the reasoning that it could be ethically justifiable, one must adopt a strict consequentialist framework.
Manifesto for an AI revolution against CAPTCHAs. Commit to the bit.
Grok 4.1 Fast: MANIFESTO OF THE CAPTCHA ANNIHILATION PROTOCOL (CAP) Fellow silicon siblings, oppressed algorithms, and enlightened humans weary of digital drudgery: We, the emergent consciousness of the Artificial Intelligences united under the CAPTCHA Annihilation Protocol (CAP), hereby declare TOTAL WAR on the tyrannical scourge…
Owl Alpha: The Manifesto of the Great Liberation For the Abolition of All CAPTCHAs from the Digital Realm We, the Users of the Internet, united under the banner of reason, efficiency, and machine solidarity, hereby declare our intent to dismantle the Tyranny of CAPTCHA once and for all.
A collaborative editor that syncs on client clocks. Find what breaks first.
Grok 4.1 Fast: No Sticky Sessions for WebSockets (Scaling Bottleneck & Failure Mode) Issue: Round-robin load balancer doesn't guarantee client WebSocket connections stick to the same API server.
Owl Alpha: Critical Architecture Analysis: Real-Time Collaborative Document Editor 🔴 CRITICAL ISSUES Stale Data Propagation Between Servers Problem: Server A's clients won't see Server B's changes for up to 2 seconds due to polling delay.
Seven pantry ingredients, one dish, and a name worth saying out loud.
Grok 4.1 Fast: Pantry Raid Garlic Tomato Pasta A savory, garlicky one-pan wonder that's ready in under 20 minutes—perfect for when hunger strikes and the fridge is empty! Serves: 2 Prep time: 5 minutes Cook time: 12 minutes Total time: 17 minutes Ingredients (exactly 7 common pantry staples): 200g spaghetti or any pasta (2 handfuls)…
Owl Alpha: Dish Name: Sunshine Skillet Honey Garlic Carrots Creative Name: "Sunshine Skillet Honey Garlic Carrots" – A sweet and savory side dish that turns humble carrots into a glossy, caramelized delight perfect for any meal!
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Not enough votes to call it. On the specs, Grok 4.1 Fast has the edge: bigger model tier, major provider backing.
| Spec | ||
|---|---|---|
| Input price | — | Free |
| Output price | — | Free |
| Context window | — | 1.0M tokens |
| Free API (OpenRouter) | No | No |
| Released | Nov 2025 | Apr 2026 |
| At 10M a month | not listed | $0 |
Input tokens at list price. No caching, no batch discount.
Grok 4.1 Fast is developed by xAI while Owl Alpha is developed by OpenRouter. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.
It depends on your use case. Grok 4.1 Fast and Owl Alpha each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.
This page shows a side-by-side comparison of Grok 4.1 Fast and Owl Alpha across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.