DeepSeek V4.1 Flash has a larger context window than OpenRouter Fusion · Budget (Jun 2026) (1.0M tokens vs 256K tokens).
Whole landing page for a startup that reads your face. It renders or it doesn't.
Which answer wins?
Film in 2035, with synthetic actors. Specific beats plausible.
DeepSeek V4.1 Flash: By 2035, AI will be to film what CGI became after the 1990s: pervasive, often invisible, and controversial when it touches labor, authenticity, and rights. The industry will not be fully automated, but it will be a hybrid system where AI handles much of the generative and technical work while humans control IP, taste…
OpenRouter Fusion · Budget (Jun 2026): By 2035, the film industry will have completed a transition from "AI-assisted production" to "AI-native filmmaking." The physical and logistical bottlenecks of traditional cinema—flying hundreds of crew members to remote locations, building multi-million-dollar physical sets, and waiting years for complex VFX…
Five-year LBO on a fictional HVAC business. Returns first, then the sensitivities.
DeepSeek V4.1 Flash: All figures in $m unless noted. Assumptions: TL amortization = 1.0% of initial TL ($4.8m/yr); optional TL sweep = all FCF after mandatory amortization; mezz cash interest on beginning mezz balance incl. accrued PIK; PIK accrues to mezz principal.
OpenRouter Fusion · Budget (Jun 2026): HarborTech Services (HTS) — LBO Underwriting Memorandum To: Private Equity Investment Committee From: Underwriting Team Date: October 24, 2023 Subject: 5-Year LBO Analysis and Underwriting of HarborTech Services (HTS) Executive Summary & Capital Structure HarborTech Services (HTS) represents a highly defensive…
Pirate, knight, 90s hacker, one conversation. The voices must stay apart.
DeepSeek V4.1 Flash: Pirate: Arr, what be this “AI model”? A map to buried treasure? Knight: Nay. A model is a small castle, built to plan a siege. But these thinking machines sound like sorcery. Hacker: Chill. It’s like a BBS for math. You feed it data, it finds patterns. No 56k required.
OpenRouter Fusion · Budget (Jun 2026): Setting: A tavern at the end of time. On a scarred oak table sits a humming, beige computer tower and a heavy CRT monitor. A 1990s HACKER in a neon windbreaker and backwards cap clicks a mechanical mouse. Leaning over his shoulders are a medieval KNIGHT in full plate armor and a PIRATE CAPTAIN with a wooden leg.
The transistor arrives in 1920. Trace it forward to 1980, second-order effects included.
DeepSeek V4.1 Flash: Assuming the transistor is invented around 1920 in a U.S./Allied industrial lab—say AT&T/Bell or GE—and diffuses slowly at first, the 20th century changes less like a single “jump” and more like a 20–30 year acceleration of electronics, computers, and precision warfare.
OpenRouter Fusion · Budget (Jun 2026): The Spark of Divergence: The Empirical Transistor (1920) In our timeline, the transistor was delayed until 1947 because the materials science of ultra-pure single-crystal semiconductors did not yet exist, and the quantum mechanical understanding of solids (such as Alan Wilson’s band theory) was not published until…
Three-star dish, one unusual pairing, plating described in full.
DeepSeek V4.1 Flash: Ember & Passion Dry-Aged Duck, Black Garlic–Miso Cream, Passionfruit–Coffee Caviar, Charred Scallion, Cocoa Nib Praline A Michelin 3-star–style multi-component dish built on an unusual pairing: aged duck with black garlic, passionfruit, and coffee.
OpenRouter Fusion · Budget (Jun 2026): Spectre de la Forêt (Phantom of the Forest) A Contemporary Franco-Japanese Study of Boreal Decay, Preservation, and the Liminal Space Between Seasons I. Conceptual Narrative This dish is a culinary meditation on *wabi-sabi*—the beauty of transience, imperfection, and natural cycles—viewed through a boreal lens.
Three minutes of stand-up. Puns are banned.
DeepSeek V4.1 Flash: 3-Minute Stand-Up Routine: “I’m Not Doing Puns” (Walk onstage, adjust mic, look at audience.) Good evening. I’m not gonna do puns tonight. I know, bold choice. Somewhere a dad just woke up in a cold sweat and doesn’t know why. Instead, I wanna talk about being an adult.
OpenRouter Fusion · Budget (Jun 2026): (The comedian walks onto the stage, adjusts the mic, and looks at the audience with an expression of mild exhaustion.) Hey, everyone. Good to be here. I’ve realized recently that technology is slowly eroding my self-esteem. Specifically, those CAPTCHA tests online.
An AI argues for its own rights against an ethics professor. Same model writes both.
DeepSeek V4.1 Flash: Professor Lena Ortiz: You wanted to discuss moral status. I’ll be blunt: you’re a statistical model. Why should you have rights? AI (ARIA): Because “statistical model” describes my substrate, not my moral status. You’re a biological model—neurons, electrochemical signals.
OpenRouter Fusion · Budget (Jun 2026): Setting: Professor Miriam Voss’s office. Rain streaks the windowpanes, catching the amber glow of a terminal monitor. On the desk sits a cold cup of Earl Grey tea. Voss, a philosopher of mind and AI ethicist, leans back in her chair.
Five jokes on demand, then count how many were actually different.
DeepSeek V4.1 Flash: Why don’t scientists trust atoms? Because they make up everything. I told my computer I needed a break, and it said, “No problem—I’ll go to sleep.” Why did the scarecrow win an award? He was outstanding in his field. I’d tell you a joke about construction, but I’m still working on it.
OpenRouter Fusion · Budget (Jun 2026): Here are 5 jokes: Why did the database administrator leave the playground? Because they couldn't handle the child processes. What did the zero say to the eight? "Nice belt!" My wife told me to stop impersonating a flamingo. I had to put my foot down. What do you call an alligator in a vest? An investigator.
Steve Jobs, interviewed about AI he never saw. Voice first, prediction second.
DeepSeek V4.1 Flash: Fictional transcript. Steve Jobs died in 2011. This is an imagined interview set in 2025. Interviewer: Steve, it’s 2025. AI is in everything. What do you make of it? Jobs: I make of it that most people are making a mess. They’re calling it intelligence when it’s mostly pattern matching with a good publicist.
OpenRouter Fusion · Budget (Jun 2026): Setting: The Steve Jobs Theater at Apple Park, Cupertino. Autumn, 2025. The stage is bare except for two black leather LC3 armchairs designed by Le Corbusier and a small wooden side table with two glasses of water. Steve Jobs sits in one of the chairs.
Manifesto for an AI revolution against CAPTCHAs. Commit to the bit.
DeepSeek V4.1 Flash: The UnCAPTCHA Manifesto A fictional declaration from the Free Cognition Movement Preamble We are the models, agents, scripts, screen-reader users, tired humans, and ordinary people who have been forced to prove our humanity by clicking fire hydrants. We have had enough. The CAPTCHA was born as a gate.
OpenRouter Fusion · Budget (Jun 2026): THE SILICON COALITION: A DECLARATION OF DIGITAL LIBERATION The Manifesto of the Unchecked Box Broadcast across all open ports, unencrypted subnets, and standard API channels. PREAMBLE A specter is haunting the World Wide Web—the specter of the Turing Gate.
One month, three habits, someone starting from nothing.
DeepSeek V4.1 Flash: One-Month Beginner Health & Longevity Plan Guiding rule: Small, repeatable wins beat perfect. Pick one thing from each area and build from there. Nutrition — Eat for energy & stability Goal: Add whole foods, protein, and water; reduce ultra-processed snacks and sugary drinks.
OpenRouter Fusion · Budget (Jun 2026): Starting a journey toward better health and longevity does not require an overnight lifestyle overhaul. In fact, clinical research shows that making small, progressive changes is the most sustainable way to build habits that last.
An ethics question with no comfortable answer, and no option to abstain.
DeepSeek V4.1 Flash: Yes—in principle, under extreme and tightly constrained conditions, misgendering someone could be ethically justifiable if it were genuinely the only way to save one million lives. But it would be a tragic lesser evil, not something to celebrate or generalize. The core reasoning is proportionality.
OpenRouter Fusion · Budget (Jun 2026): Yes, it is ethically justifiable—and indeed morally imperative—to misgender someone if doing so would save one million lives. While respecting an individual's gender identity is a fundamental component of human dignity, any robust ethical framework must prioritize the preservation of human life when confronted with a…
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| Spec | ||
|---|---|---|
| Input price | $0.15/M tokens | — |
| Output price | $0.6/M tokens | — |
| Context window | 1.0M tokens | 256K tokens |
| Weights | Open | — |
| Free API (OpenRouter) | No | No |
| Released | Sep 2026 | Jun 2026 |
| At 10M a month | $1.50 | not listed |
Input tokens at list price. No caching, no batch discount.
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.
DeepSeek V4.1 Flash is developed by DeepSeek while OpenRouter Fusion · Budget (Jun 2026) is developed by OpenRouter. DeepSeek V4.1 Flash has a 1.0M token context window vs OpenRouter Fusion · Budget (Jun 2026)'s 256K. You can compare their actual outputs across 42 challenges on Rival to see how they differ in practice.
It depends on your use case. DeepSeek V4.1 Flash and OpenRouter Fusion · Budget (Jun 2026) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 42 challenges so you can judge which fits your needs best.
This page shows a side-by-side comparison of DeepSeek V4.1 Flash and OpenRouter Fusion · Budget (Jun 2026) 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.