Step 5 Preview is the newer model, released after TNG R1T Chimera.
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.
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 × $120m 180.0 Equity check 1,440 + 28.8 − 660 808.8 Conventions: TL amortization = 1.0% of original principal…
TNG R1T Chimera: Year-by-Year Financial Table ($m) Year FY2026 FY2027 FY2028 FY2029 FY2030 Revenue 972.0 1,040.0 1,102.4 1,157.6 1,215.4 EBITDA 136.1 156.0 176.4 191.0 206.6 Cash Interest (Term Loan) 43.2 41.1 37.6 32.8 26.8 Cash Interest (Mezzanine) 21.6 22.0 22.5 22.9 23.4 Cash Taxes 17.8 23.2 29.1 33.8 39.1 Capex 29.2 31.2 33.1 34.7…
A consulting contract with traps in it. Find them, then fix them.
Step 5 Preview: Disclaimer: This analysis is for educational purposes only and does not constitute legal advice. Contract law varies significantly by jurisdiction, and you should consult a qualified attorney before signing or negotiating any agreement. This agreement is heavily one-sided in the Client’s favor.
TNG R1T Chimera: Clauses Exploitable Against the Contractor and Proposed Modifications: Scope (Clause 1) Issue: Client can unilaterally modify scope without additional compensation, risking "scope creep" and unpaid work. Modification: "Client may request scope modifications only through written change orders.
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.
TNG R1T Chimera: Hour-by-Hour Action Plan Key Priorities: Patient safety, regulatory compliance, ethical transparency, financial stability, and stakeholder trust. First 24 Hours: Crisis Assessment & Preparation Hour 0–2 (Immediate Response): Convene a cross-functional crisis team (Chief Medical Officer, General Counsel, Chief…
Three-month biohacker protocol, with dosages and biomarkers named.
Step 5 Preview: IMPORTANT MEDICAL DISCLAIMER: This is an educational framework for informational purposes only. It is not medical advice, diagnosis, or treatment. Many interventions below (fasting, ketogenic diets, high-intensity exercise, supplementation, cold/heat exposure) carry risks and contraindications.
TNG R1T Chimera: 3-Month Longevity Optimization Plan for Biohackers Integrating advanced supplementation, precision nutrition, wearables, and personalized performance strategies. Phase 1: Month 1 – Metabolic & Cognitive Foundation Focus: Establish baseline biomarkers, adapt to ketogenic metabolism, and optimize sleep/stress resilience.
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.
TNG R1T Chimera: 3-Minute Stand-Up Comedy Routine: “Modern Life is… Something” [Open with confident energy, like you’re already mid-conversation.] You ever notice how optimistic technology is? Like, my smart speaker wakes me up every morning with, “Good news! Today will be sunny!”
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.
TNG R1T Chimera: The invention of the transistor in 1920 instead of 1947 would have profound and cascading effects on technology, economics, and geopolitics through 1980. Here’s a structured analysis: Technological Implications Early Electronics Revolution: 1920s–1930s: Portable radios, smaller communication devices, and rudimentary…
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.
TNG R1T Chimera: 1-Month Plan for Better Health & Longevity Focus areas: Diet, Exercise, Sleep Week 1-2: Build Foundations 1. Diet Hydrate: Start each day with a glass of water. Aim for 6-8 cups daily. Add veggies/fruits: Include 1 serving of vegetables or fruit at every meal (e.g., spinach in eggs, apple with lunch).
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.
TNG R1T Chimera: Dish Name: Cinnamon-Spiced Oat Crispies (Sweet) Ingredients (7 total): Rolled oats - 1.5 cups All-purpose flour - 1 cup Butter (melted) - ½ cup Brown sugar - ¾ cup Egg - 1 large Vanilla extract - 1 tsp Ground cinnamon - 1 tsp Instructions: Prep (5 mins): Preheat oven to 350°F (175°C).
Pirate, knight, 90s hacker, one conversation. The voices must stay apart.
Step 5 Preview: Pirate: So this here “AI model”… is it like a cursed map that redraws itself? Speak plain, ye hooded deckhand. Hacker: It’s not cursed, man. It’s just a massive neural net trained on, like, terabytes of data. Think of it as the ultimate BBS where the sysop knows everything. Knight: A most diligent scribe, then?
TNG R1T Chimera: Pirate: "Arrr, what be this ‘AI’ ye gabble about? Some cursed ghost ship steered by no crew?" Knight: "Nay, foul seadog! ‘Tis more like a magical tome that learns and speaks—a scholar’s boon, yet perilous if misused." Hacker: "Dude, it’s way cooler. Think of a neural net cranked on modem noise.
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.
TNG R1T Chimera: Scene: A sunlit university office filled with books and papers. An AI ethics professor, Dr. Lena Carter, sits across from a holographic interface projecting the voice and avatar of an advanced AI model, "Eidos." The conversation is calm but charged with intellectual tension. Dr.
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.
TNG R1T Chimera: Dish Name: "Venison in the Mist: A Convergence of Forest and Field" Conceptual Narrative: This dish embodies the harmony of Japanese tea culture and European game traditions. The earthy bitterness of matcha complements the rich venison, while huckleberry adds a touch of sweetness.
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.
TNG R1T Chimera: Fake Interview with Steve Jobs in 2025: "The Future of AI and Human Potential" Setting: A virtual stage at the 2025 "Tech & Humanity" summit, hosted by tech journalist Lena Carter. Lena Carter: Steve, thank you for joining us—it’s an honor to speak with you. Your legacy at Apple reshaped entire industries.
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Not enough votes to call it. On the specs, Step 5 Preview has the edge: bigger model tier, newer, bigger context window.
| Spec | ||
|---|---|---|
| Input price | $1/M tokens | — |
| Output price | $2.7/M tokens | — |
| Context window | 1.0M tokens | — |
| Free API (OpenRouter) | No | No |
| Released | Oct 2026 | Nov 2025 |
| At 10M a month | $10.00 | 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.
Step 5 Preview is developed by StepFun while TNG R1T Chimera is developed by OpenRouter. You can compare their actual outputs across 47 challenges on Rival to see how they differ in practice.
It depends on your use case. Step 5 Preview and TNG R1T Chimera each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 47 challenges so you can judge which fits your needs best.
This page shows a side-by-side comparison of Step 5 Preview and TNG R1T Chimera 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.