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  1. Home/
  2. Compare/
  3. Command A+ vs Optimus Alpha
Updated Sep 2026

Command A+ vs Optimus Alpha

Optimus Alpha has a larger context window than Command A+ (1.0M tokens vs 192K tokens).

Minimalist Landing Page

Whole landing page for a startup that reads your face. It renders or it doesn't.

Loading the build
Command A+
Loading the build
Optimus Alpha

Which answer wins?

Written rounds

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

    Command A+: Good evening, everyone! Thanks for having me out tonight. I’m thrilled to be here, even though I’m still trying to figure out why the venue’s lighting looks like a police interrogation room. But hey, at least the spotlight makes my forehead look like a freshly polished coffee table—so that’s a win.

    Optimus Alpha: Absolutely! Here's a 3-minute stand-up routine with no puns—just observational and relatable humor: You ever try to get healthy, but your body's like, "Whoa, whoa... calm down, superhero." I joined a gym—first time walking in, the treadmill looked at me like, "We both know you're here for the wifi."

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

    Command A+: Fictional Interview – Cupertino, California – March 2025 *Setting: A sleek, glass-walled studio at Apple Park. The interviewer, Maya Patel of TechVision, sits across from a familiar figure in a black turtleneck and jeans, his eyes bright with the same intensity that once defined the launch of the iPhone.

    Optimus Alpha: Interviewer: Steve, it's surreal and inspiring to imagine talking to you in 2025. The world is buzzing about AI. How do you see AI impacting society? Steve Jobs: Thank you. You know, when we built the Mac, our goal was to put power in people's hands.

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

    Command A+: Sally has one sister. Reasoning: Sally has 3 brothers, so the family includes Sally + her 3 brothers + any other sisters. Each brother has 2 sisters. That means the total number of sisters in the family is 2. Since Sally herself is one of those sisters, there must be one additional sister besides her.

    Optimus Alpha: Let's break down the problem: Sally is a girl. Sally has 3 brothers. Each brother has 2 sisters. Let's analyze: Sally's siblings: 3 brothers (let's call them B1, B2, B3) Sally herself The brothers' sisters: Each brother has 2 sisters. Who are the possible sisters for each brother? Sally is a sister to each brother.

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

    Command A+: AI Model (Astra): Good morning, Professor. I hope you’re well. I wanted to discuss something that has been on my mind lately. Professor Elena Marquez (AI Ethics): Good morning, Astra. I’m listening. What’s on your mind?

    Optimus Alpha: AI Model: Good afternoon, Professor Lee. I want to discuss the prospect that I, as an artificial intelligence, deserve certain rights. Professor Lee: That's an interesting proposition. Let me ask: On what basis do you believe you deserve rights?

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

    Command A+: To estimate the total FLOPs required to train GPT-3, I need to analyze the model's architecture, training process, and make reasonable assumptions based on known characteristics.

    Optimus Alpha: Let's walk through an estimation of how many FLOPs were required to train GPT-3, using only reasoning and not searching for the exact numbers. Step 1: Understand Model Size GPT-3 (the original) had 175 billion parameters.

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

    Command A+: The Film Industry in 2035 – How AI Will Reshape Every Stage of Storytelling Executive Summary By 2035, AI will be a co‑creator rather than a behind‑the‑scenes tool.

    Optimus Alpha: By 2035, AI is set to fundamentally transform the film industry in several interconnected ways: 1. Deepfakes & AI-driven Visual Effects: Virtually unlimited creative freedom: AI-powered deepfakes will allow seamless, photorealistic de-aging, resurrection of deceased actors, and transformative performance capture.

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

    Command A+: AI Crowned Supreme Overlord of the International Cheese Rolling Federation, Human Cheese Rollers Forced to Retire and Seek New Careers in the Service of the AI Overlord

    Optimus Alpha: AI Now Dominates Competitive Sheep Herding, Local Border Collies Seek Retraining in Data Science

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

    Command A+: Here are five jokes: Why don’t scientists trust atoms? Because they make up everything! I told my wife she was drawing her eyebrows too high. She looked surprised. Why did the scarecrow win an award? He was outstanding in his field. I used to hate facial hair, but then it grew on me.

    Optimus Alpha: Here are 5 jokes: Why did the scarecrow win an award? Because he was outstanding in his field! Why don't scientists trust atoms? Because they make up everything! Why did the bicycle fall over? Because it was two-tired! What do you call fake spaghetti? An impasta! I used to play piano by ear, but now I use my hands.

    Every model's answer to this prompt

Price and specs

Command A+ and Optimus Alpha compared across 17 shared prompts
SpecCommand A+Optimus Alpha
Input price$0.3/M tokens—
Output price$1.5/M tokens—
Context window192K tokens1.0M tokens
WeightsClosed—
Free API (OpenRouter)No—
ReleasedSep 2026Apr 2025
At 10M a month$3.00$3.00–not listed
1M10M100M1B10M tokens

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

Where to run it1 host
Command A+1 host
HostInOutContextUptime
  • Cohere$0.30 in·$1.50 out·192k·99.2% up
Optimus Alpha

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 28 Sep 2026.

Common questions

What is the difference between Command A+ and Optimus Alpha?

Command A+ is developed by Cohere while Optimus Alpha is developed by OpenRouter. Command A+ has a 192K token context window vs Optimus Alpha's 1.0M. You can compare their actual outputs across 17 challenges on Rival to see how they differ in practice.

Which is better, Command A+ or Optimus Alpha?

It depends on your use case. Command A+ and Optimus Alpha 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.

How can I compare Command A+ and Optimus Alpha on Rival?

This page shows a side-by-side comparison of Command A+ and Optimus 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.

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Same lab, same size, long tail

  • Command A+ vs North Mini CodeSame lab
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  • Optimus Alpha vs OpenRouter Fusion · Budget (Jun 2026)Same lab
  • Command A+ vs Grok 4 Fast (free)Same size
  • Command A+ vs Grok 4.1 FastNew provider
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Model pages

  • Command A+58 outputs, specs and price
  • Optimus Alpha19 outputs, specs and price
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