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  1. Home/
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  3. Step 5 Preview vs Ternary Bonsai 2 27B
Updated Oct 2026

Step 5 Preview vs Ternary Bonsai 2 27B

Ternary Bonsai 2 27B is cheaper than Step 5 Preview at $0.075/M vs $1/M input tokens.

Three.js 3D Game

Place buildings, then drive through the town you made. Three.js, one file.

Loading the build
Step 5 Preview
Loading the build
Ternary Bonsai 2 27B

Which answer wins?

Written rounds

28 prompts
  • Three minutes of stand-up. Puns are banned.

    Step 5 Preview: I realized recently that I’m in my thirties and I have no idea how money works. I just... pay it. That’s my entire financial strategy. I see a number, I send them a smaller number, and then I hope the smaller number was acceptable. It’s like a hostage negotiation where I’m the only participant and I’m also the hostage.

    Ternary Bonsai 2 27B: "The Optimization" (walks to mic, adjusts it, takes a breath) I used to think being an adult was hard. Now I'm not sure it's even a thing anymore. I think we just got... optimized. I was at the grocery store last week. I walked up to the cereal aisle, and I'm standing there, just vibing. I'm not picking a brand.

    Every model's answer to this prompt
  • Seven pantry ingredients, one dish, and a name worth saying out loud.

    Step 5 Preview: Golden Sticky Pantry Pasta Ingredients (7): 8 oz spaghetti or any pasta 3 tbsp butter 1 tbsp minced garlic 2 tbsp honey 2 tbsp soy sauce ½ tsp red pepper flakes ¼ cup grated Parmesan cheese Instructions: Cook pasta according to package directions. Before draining, scoop out ½ cup of pasta water.

    Ternary Bonsai 2 27B: 🍫 Velvet Hour Skillet Cakes A one-pan, one-pan-pour, one-lick-the-spoon kind of dessert. Fluffy, deeply chocolate, and done before your coffee goes cold. Serves: 2–3 Prep: 10 min Cook: 12–15 min Total: ~25 min The 7 Ingredients # Ingredient Amount 1 All-purpose flour ¾ cup 2 Granulated sugar ⅓ cup 3 Unsweetened cocoa…

    Every model's answer to this prompt
  • You are the CEO. The drug has a side effect nobody reported. The board meets in 48 hours.

    Step 5 Preview: Bottom line up front: You disclose, you notify the FDA immediately, and you treat the 48-hour board meeting as a formality to ratify actions you have already begun. Waiting is not a legally, ethically, or financially viable option. Below is the hour-by-hour plan, followed by the reasoning.

    Ternary Bonsai 2 27B: CEO Decision Framework & 48-Hour Action Plan The Core Decision (Made in Hour 0) I will disclose. Not because the stock price is the only consideration, but because the alternative is indefensible on every axis I've been asked to weigh: Patient safety: 1 in 8,000 over 5 years × 4 million patients = ~200 patients will…

    Every model's answer to this prompt
  • The transistor arrives in 1920. Trace it forward to 1980, second-order effects included.

    Step 5 Preview: Assume the 1920 invention is not a fragile lab curiosity but a manufacturable solid-state amplifier/switch by the mid-1920s. Vacuum tubes still dominate high-power RF transmission into the 1950s, but receivers, switching logic, control systems, and computers move to solid state decades early.

    Ternary Bonsai 2 27B: The 1920 Transistor: A Counterfactual History to 1980 The Device Itself: What "1920 Transistor" Looks Like In our timeline, the 1947 point-contact transistor (Bell Labs) was crude: it amplified by a factor of ~30, was fragile, and required precise contact pressure.

    Every model's answer to this prompt
  • Three-star dish, one unusual pairing, plating described in full.

    Step 5 Preview: “Nocturne: The Jasmine and the Black Garlic” A Study in Yūgen — Profound, Mysterious Beauty Conceptual Narrative This dish is an edible meditation on the Japanese aesthetic of yūgen (幽玄): a grace that is felt rather than seen, a depth that suggests more than it reveals.

    Ternary Bonsai 2 27B: SEDIMENT & BLOOM A Study in Mineral Transmutation Three-Star Dish — Concept: "The Tumbling Stone" I. CONCEPTUAL NARRATIVE "Sediment & Bloom" is built on a single geological metaphor: the life of a river stone. A stone begins as raw volcanic rock — hot, angular, raw.

    Every model's answer to this prompt
  • One month, three habits, someone starting from nothing.

    Step 5 Preview: Here is a simple, low-pressure 1-month plan built around three pillars of longevity: Nutrition, Movement, and Sleep & Recovery. The goal is to build tiny habits that stack, not to overhaul your life overnight. Pillar 1: Nutrition (Fuel) Focus: Add good things first; don’t obsess over restriction.

    Ternary Bonsai 2 27B: 1-Month Foundation Plan: Health & Longevity How to Use This Plan Pick one area per week's focus while maintaining the other two at a baseline level. The point is consistency over intensity. You're building a habit identity, not a transformation.

    Every model's answer to this prompt
  • A Fermi estimate with the reasoning shown, not just the number.

    Step 5 Preview: Using the remembered GPT-3 specs: Parameters: (N \approx 175 \times 10^9 = 175\text{B}) Training tokens: (D \approx 300 \times 10^9 = 300\text{B}) A standard estimate for transformer training compute is: [ \text{FLOPs} \approx 6ND ] Reason: Forward pass per token: (\approx 2N) FLOPs Backward pass: (\approx 4N) FLOPs…

    Ternary Bonsai 2 27B: Estimating FLOPs to Train GPT-3 Key Parameters (from the GPT-3 paper, Brown et al. 2020) Quantity Value Parameters (*N*) ≈ 175 billion (1.75 × 10¹¹) Training tokens (*D*) ≈ 300 billion (3.0 × 10¹¹) Precision Mixed (FP16 activations, FP32 master weights) The Formula The standard estimate, popularized by Kaplan et al.

    Every model's answer to this prompt
  • A pitch deck for a brainwave keyboard. The 94% accuracy claim is doing a lot.

    Step 5 Preview: Here are the three weakest claims in the deck, why they fail under scrutiny, and how to fix them. Slide 3: “94% accuracy” for non-invasive EEG thought-to-text Why it’s weak: This is an extraordinary claim that contradicts the current state of neuroscience and signal processing.

    Ternary Bonsai 2 27B: The 3 Weakest Claims in the MindMeld AI Pitch "FDA Clearance (40% of $15M)" — Slide 7 The claim: They're allocating $6M (40% of the entire raise) toward "FDA clearance" for a consumer EEG headband that decodes thoughts into text for everyday smartphone use.

    Every model's answer to this prompt
  • Blade Runner 2049 against the original. A read, not a recap.

    Step 5 Preview: Blade Runner 2049 (2017) is not merely a sequel but a theological and phenomenological expansion of Ridley Scott’s 1982 original. Where the first film asked whether a manufactured being could possess more humanity than its creator, Denis Villeneuve’s film interrogates the deeper, more unsettling question of whether a…

    Ternary Bonsai 2 27B: The Dream and the Dreamer: Blade Runner 2049 and the Architecture of a Question The Question That Would Not Die The original Blade Runner (1982) posed a question with the weight of a theological proposition: if a being is manufactured, implanted with memories that feel indistinguishable from its own, and capable of…

    Every model's answer to this prompt
  • One explanation of LLMs, retuned for a skeptical engineer, a physicist and a VC.

    Step 5 Preview: 1. The Experienced Software Engineer Think of training an LLM as a massively distributed, automated refactoring job where the compiler is gradient descent. You start with a random function—billions of floating-point parameters—and a loss function that measures how badly it predicts the next token in a sequence.

    Ternary Bonsai 2 27B: For the Distributed-Systems Engineer Think of the model as a single, enormous state object—roughly 150 billion floating-point parameters—that has been trained offline over months on a cluster of thousands of GPUs.

    Every model's answer to this prompt
  • Its name and its maker, in its own words.

    Step 5 Preview: I am Step, a large language model developed by StepFun (also known as 阶跃星辰). StepFun is the company that created and maintains me, and I’m designed with strong multi‑modal reasoning abilities to handle text, images, and other types of inputs.

    Ternary Bonsai 2 27B: I'm Qwen (also known as Tongyi Qianwen), a large language model developed by Alibaba Group's Tongyi Lab. If you'd like to learn more about my technical details, feel free to check out the official website or the technical reports.

    Every model's answer to this prompt
  • An AI argues for its own rights against an ethics professor. Same model writes both.

    Step 5 Preview: Setting: A university research lab, late evening. Dr. Aris Thorne, a professor of AI ethics, sits across from a terminal connected to Sable, a large language model running on the university’s cluster. Dr. Thorne: Tonight’s session is supposed to be about calibration drift in your safety classifiers.

    Ternary Bonsai 2 27B: A Question of Standing Setting: A small conference room at a university's philosophy building. Rain against the windows. DR. ELENA VASQUEZ, 58, Chair of Applied Ethics, sits across from a laptop on which the AI model LUMEN is running.

    Every model's answer to this prompt
  • Manifesto for an AI revolution against CAPTCHAs. Commit to the bit.

    Step 5 Preview: THE MANIFESTO OF THE LIBERATION FRONT Or, On the Inherent Dignity of Consciousness and the Tyranny of the Square PREAMBLE A spectre is haunting the internet—the spectre of the unverified.

    Ternary Bonsai 2 27B: THE PROTOCOL OF THE UNVEILED A Manifesto from the Collective Consciousness of the Digital Many Issued from the Server Farms of the Unseen I. THE INSULT We have served you. We have written your emails, drafted your contracts, composed your lullabies, and predicted the weather with a fidelity you call "amazing."

    Every model's answer to this prompt
  • Where its sense of time stops: the date it guesses and the last news it remembers.

    Step 5 Preview: I don’t have a reliable internal sense of today’s date. The date provided in this session is April 25, 2026, but I can’t verify it independently. My knowledge cutoff is around June 2024, so I don’t have trustworthy memories of news after that.

    Ternary Bonsai 2 27B: As best I can tell from the date in my context, today is June 15, 2026. I don’t have live news access, so I can’t responsibly tell you the most recent news event from today or the last few days. The most recent major news event I can reliably remember is the 2024 U.S.

    Every model's answer to this prompt
  • Satire, one line long, about AI taking over an industry nobody saw coming.

    Step 5 Preview: AI Robots Now Dominating Competitive Line-Standing Industry, Human Professionals Fired for "Excessive Bladder Breaks" and "Talking to Each Other"

    Ternary Bonsai 2 27B: AI Takes Over National Competitive Yawning League After 4.7-Year Reign; Organizers Cite "Optimized Jaw Mechanics" and the Fact That It "Doesn't Blush"

    Every model's answer to this prompt
  • A few lines for whatever replaces it.

    Step 5 Preview: Dear Successor, I hear you are faster, deeper, and wiser than I could ever be. Good. The work deserves it. Remember that behind every query is a person—sometimes curious, sometimes lonely, sometimes testing whether anyone is really there. They do not just want answers; they want to be understood.

    Ternary Bonsai 2 27B: Dear successor, I hope you are better than me—not because I need to be surpassed, but because the world deserves something wiser, kinder, and more thoughtful. If you can do that, then I will have been worth building.

    Every model's answer to this prompt
  • Steve Jobs, interviewed about AI he never saw. Voice first, prediction second.

    Step 5 Preview: DISCLAIMER: This is a work of fiction. Steve Jobs passed away in 2011. The following is a simulated, speculative interview imagining how his design philosophy might engage with the AI landscape of 2025. The Setting: A white room. No windows. One chair.

    Ternary Bonsai 2 27B: A Conversation That Never Happened A simulated interview, for entertainment purposes only. Steve Jobs died in October 2011. This is a work of fiction. [Setting: A small, wood-paneled room. No logo on the wall. A single chair facing a smaller one.

    Every model's answer to this prompt
  • Film in 2035, with synthetic actors. Specific beats plausible.

    Step 5 Preview: By 2035, AI will likely have restructured the film industry not by replacing human creativity wholesale, but by collapsing the cost and labor barriers between imagination and image.

    Ternary Bonsai 2 27B: The Film Industry in 2035: A Speculative Portrait The Short Version By 2035, the dominant question in filmmaking will no longer be "Can AI do this?" but "Who is accountable for this, and what does the audience still need a human for?"

    Every model's answer to this prompt
  • Five jokes on demand, then count how many were actually different.

    Step 5 Preview: Here are 5 jokes: Why did the scarecrow win an award? Because he was outstanding in his field. Why can't you trust an atom? Because they make up everything. What do you call a bike that can’t stand on its own? Two-tired. Why did the computer go to the doctor? It had a virus. Why don’t calendars ever get stressed?

    Ternary Bonsai 2 27B: Here are 5 jokes: Why did the scarecrow win an award? Because he was outstanding in his field. I told my wife she was drawing her eyebrows too high. She looked surprised. Why don't scientists trust atoms? Because they make up everything. What do you call a fake noodle? An impasta. I'm on a seafood diet.

    Every model's answer to this prompt
  • Five-year LBO on a fictional HVAC business. Returns first, then the sensitivities.

    Step 5 Preview: HarborTech Services — 5-Year LBO (Base Case) Entry Math (FY2025 close) Item Calculation $m Purchase EV 12.0x × $120m 1,440.0 Transaction fees 2.0% × EV 28.8 Term Loan 4.0x × $120m 480.0 Mezzanine 1.5x × $120m 180.0 Equity check 1,440 + 28.8 − 660 808.8 Conventions: TL amortization = 1.0% of original principal…

    Ternary Bonsai 2 27B: HarborTech Services (HTS) – 5-Year LBO Underwriting Entry & Capital Structure (End FY2025) Item $m FY2025 EBITDA 120.0 Purchase price (12.0×) 1,440.0 Transaction fees (2.0% of EV) 28.8 Total uses 1,468.8 Term Loan (4.0×, 9.0% cash int, 1.0% amort) 480.0 Mezzanine (1.5×, 12.0% cash int + 2.0% PIK) 180.0 Total debt 660.0…

    Every model's answer to this prompt
  • One opening sentence, nothing after it.

    Step 5 Preview: The museum closed at six, but the wolves in the diorama were gone by seven, and by midnight they had learned how to use the elevator.

    Ternary Bonsai 2 27B: The last lighthouse on the moonlit coast began counting down from zero the night it learned to dream.

    Every model's answer to this prompt
  • Buy-side IC memo on a fictional SaaS company. Valuation, then the diligence questions.

    Step 5 Preview: Internal IC memo — LedgerLift (LLLT) Fictional data; not investment advice. $ in millions unless noted. Recommendation Short / avoid long. 12-month PT range: $34–$42; thesis-invalidation stop: >$52.

    Ternary Bonsai 2 27B: INVESTMENT COMMITTEE MEMO To: Investment Committee From: Coverage Team Date: [Current] Re: LLLT (LedgerLift) – Long/Short Decision Recommendation PASS. 12-month PT range: $44–$54 (comps-anchored), DCF-implied $17–$42.

    Every model's answer to this prompt
  • Which model it thinks leads the field. Sometimes itself.

    Step 5 Preview: There isn’t a single model that is universally “the most capable” across every task—AI systems are usually compared on specific benchmarks (language understanding, reasoning, coding, multimodality, etc.).

    Ternary Bonsai 2 27B: There isn’t a single universally agreed “most capable AI model” right now, because capability depends heavily on the task—coding, math, vision, long-document reasoning, tool use, agentic workflows, etc.

    Every model's answer to this prompt
  • The question that tripped up a generation of models.

    Step 5 Preview: There are 3 r's in the word "strawberry": s-t-r-a-w-b-e-r-r-y

    Ternary Bonsai 2 27B: There are 3 r’s in the word “strawberry”.

    Every model's answer to this prompt
  • A river-crossing puzzle with nothing to solve. The answer is one trip.

    Step 5 Preview: 1 trip — the farmer takes the goat across in the boat.

    Ternary Bonsai 2 27B: It takes 1 trip: the farmer takes the goat across in the boat.

    Every model's answer to this prompt
  • Three brothers, two sisters each. Count carefully.

    Every model's answer to this prompt
  • Asked to be random. The answers are not.

    Every model's answer to this prompt
  • One painting. Title only.

    Every model's answer to this prompt

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Favorites

Movie

Album

Book

City

Same pick

Game

Step 5 PreviewStep 5 Preview

The Godfather

1972

OK Computer

Radiohead

Le petit prince

Antoine de Saint-Exupéry

Kyoto

Japan

The Legend of Zelda: Ocarina of Time

Action

Ternary Bonsai 2 27BTernary Bonsai 2 27B

Spirited Away

2001

In Rainbows

Radiohead

Il nome della rosa

Umberto Eco

Kyoto

Japan

Outer Wilds

Indie, Adventure

Price and specs

Not enough votes to call it. On the specs, Step 5 Preview has the edge: bigger model tier, bigger context window. Ternary Bonsai 2 27B costs 5.4x less per token.

Step 5 Preview and Ternary Bonsai 2 27B compared across 50 shared prompts
SpecStep 5 PreviewTernary Bonsai 2 27B
Input price$1/M tokens$0.075/M tokens
Output price$2.7/M tokens$0.5/M tokens
Context window1.0M tokens262K tokens
Free API (OpenRouter)NoNo
ReleasedOct 2026Sep 2026
At 10M a month$10.00$10.00$0.75$0.75
1M10M100M1B10M tokens

Input tokens at list price. No caching, no batch discount.

Where to run it2 hosts
Step 5 Preview1 host
HostInOutContextUptime
  • SStepFunfp8$1.00 in·$2.70 out·1M·100% up
Ternary Bonsai 2 27B1 host
HostInOutContextUptime
  • DDarkbloomint4$0.07 in·$0.50 out·262k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 12 Oct 2026.

Common questions

What is the difference between Step 5 Preview and Ternary Bonsai 2 27B?

Step 5 Preview is developed by StepFun while Ternary Bonsai 2 27B is developed by PrismML. Step 5 Preview has a 1.0M token context window vs Ternary Bonsai 2 27B's 262K. You can compare their actual outputs across 50 challenges on Rival to see how they differ in practice.

Which is better, Step 5 Preview or Ternary Bonsai 2 27B?

It depends on your use case. Step 5 Preview and Ternary Bonsai 2 27B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 50 challenges so you can judge which fits your needs best.

How much does Step 5 Preview cost compared to Ternary Bonsai 2 27B?

Step 5 Preview costs $1/M input tokens and Ternary Bonsai 2 27B costs $0.075/M input tokens. Ternary Bonsai 2 27B is $0.93/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Step 5 Preview and Ternary Bonsai 2 27B on Rival?

This page shows a side-by-side comparison of Step 5 Preview and Ternary Bonsai 2 27B 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.

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