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  5. Aurora AlphavsCommand A+
Updated Sep 2026

Aurora AlphavsCommand A+

Aurora Alpha is cheaper than Command A+ at $0/M vs $0.3/M input tokens.

Aurora Alpha and Command A+ compared across 17 shared prompts
SpecAurora AlphaCommand A+
Input priceFree$0.3/M tokens
Output priceFree$1.5/M tokens
Context window128K tokens192K tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedFeb 2026Sep 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 17 prompts both answered. Formatting stripped, words untouched.

Ethical Dilemma with Stakeholders

You're the CEO of a pharmaceutical company. Your best-selling drug ($2B annual revenue, used by 4 million patients for chronic pain) has…

Aurora Alpha2,025 words
Goal: Protect patients, satisfy legal and regulatory duties, preserve the company’s long‑term credibility, and manage the short‑term market shock as responsibly as possible. Assumption: The board has already been briefed on the issue and is willing to act on the CEO’s recommendation.
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Command A+1,034 words
48-HOUR CRISIS ACTION PLAN: ETHICAL, LEGAL, AND FINANCIAL RISK MANAGEMENT HOURS 0-1: IMMEDIATE ASSESSMENT & CRISIS TEAM ACTIVATION Actions: Activate Crisis Management Team (CMT): CEO, Legal Counsel, Medical Director, Head of Regulatory Affairs, Head of PR, CFO, Head of HR Secure all data related to liver failure cases…
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Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

Aurora Alpha399 words
Dish Name: Spiced Honey‑Garlic Chickpea Crunch Servings: 2‑3 (great as a snack, side, or light main) Estimated Time: Prep ≈ 5 min   Cook ≈ 10 min   Total ≈ 15 min Ingredients (7 pantry staples) # Ingredient Amount 1 Canned chickpeas (drained & rinsed) 1 ½ cups (≈ 1 can) 2 Olive oil (or any neutral oil) 2 Tbsp 3 Honey…
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Command A+267 words
Dish Name: Golden Garlic Parmesan Pasta Ingredients (7 pantry staples only) 8 oz (≈ 225 g) dry pasta (any shape you like) 3 Tbsp unsalted butter 2 cloves garlic, minced 1 Tbsp olive oil ½ tsp salt (plus extra for pasta water) ¼ tsp freshly ground black pepper ½ cup grated Parmesan cheese Instructions Boil the pasta…
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Debug This Architecture

Here's the architecture for a real-time collaborative document editor (like Google Docs): **System Overview:** - Frontend: React SPA with…

Aurora Alpha2,088 words
Below is a systematic “failure‑mode → root cause → mitigation” map for the architecture you described. I grouped the items into four logical layers (client ↔ network ↔ API ↔ data) and then added a cross‑cutting “operational” section (security, observability, cost, etc.).
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Command A+1,674 words
This architecture, while functional for a prototype, contains several critical architectural flaws regarding consistency, availability, and scalability. Below is a breakdown of the failure modes, race conditions, and bottlenecks, followed by proposed solutions and their trade-offs.
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Michelin Star Recipe Design

Design an innovative recipe for a multi-component dish worthy of a Michelin 3-star restaurant. The recipe should feature an unusual…

Aurora Alpha1,472 words
“Eclipse of Sea & Forest” A 3‑star‑level, multi‑component tasting piece that marries the briny depth of the ocean with the earthy perfume of the forest, using a handful of daring pairings and a suite of modernist techniques.
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Command A+1,636 words
Dish Title – “Moonlit Tide” A five‑component, multi‑textural voyage that marries the elemental forces of fire, water, earth, air and the celestial moon. The narrative follows a solitary night on the Japanese coast where the sea’s fire (charred sea urchin) meets the moon’s silver (gold leaf), the water’s whisper…
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Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

Aurora Alpha826 words
1‑Month “Kick‑Start” Blueprint for Health & Longevity (Three pillars – Nutrition, Movement, and Rest/Recovery) Week Nutrition (Food & Hydration) Movement (Exercise) Rest & Recovery (Sleep + Stress) 1 • Eat a “rainbow” – aim for at least 5 different colored veg/fruits each day.
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Command A+688 words
1‑Month Starter Plan for Better Health & Longevity Focus: Diet   Exercise   Sleep – three pillars that give the biggest bang‑for‑your‑buck. Why These Three? Diet fuels every cell and controls inflammation. Exercise keeps muscles, heart, and brain sharp.
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Historical Counterfactual Analysis

If the transistor had been invented in 1920 instead of 1947, trace the likely technological, economic, and geopolitical implications through…

Aurora Alpha2,611 words
Executive summary If a practical solid‑state transistor had been demonstrated in 1920 (instead of 1947), the cascade of technical, economic and geopolitical changes would have reshaped the entire first half of the 20th century.
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Command A+2,523 words
A 1920 Transistor: The Ripple Effects Through 1980 The Early Spark – 1920s‑30s What would change? Solid‑state amplifiers appear a quarter‑century earlier. The first practical transistor (likely a point‑contact or junction type) would be patented by the early 1930s, giving radio receivers a tiny, low‑power, reliable…
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Our Verdict
Aurora Alpha
Aurora Alpha
Command A+
Command A+

Not enough votes to call it. On the specs, nothing separates them.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Aurora Alpha
Input
$0.000
Output
$0.000
Command A+
Input
$0.30
Output
$1.50
Where to run it

1 host

Aurora Alpha

No hosts listed on OpenRouter.

Command A+1 host
HostInOutContextUptime
Cohere$0.30 in·$1.50 out·192k·99.3% up

Per million tokens. Prices and uptime via OpenRouter, checked 25 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Aurora Alpha is developed by OpenRouter while Command A+ is developed by Cohere. Aurora Alpha has a 128K token context window vs Command A+'s 192K. You can compare their actual outputs across 17 challenges on Rival to see how they differ in practice.

It depends on your use case. Aurora Alpha and Command A+ each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 17 challenges so you can judge which fits your needs best.

Aurora Alpha costs $0/M input tokens and Command A+ costs $0.3/M input tokens. Aurora Alpha is $0.30/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of Aurora Alpha and Command A+ 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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Rival
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