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  5. Horizon AlphavsMiniMax M3
Updated Jun 2026

Horizon AlphavsMiniMax M3

Horizon Alpha is cheaper than MiniMax M3 at $0/M vs $0.3/M input tokens.

Horizon Alpha and MiniMax M3 compared across 32 shared prompts
SpecHorizon AlphaMiniMax M3
Input priceFree$0.3/M tokens
Output priceFree$1.2/M tokens
Context window256K tokens1.0M tokens
Weights—Open
Free API (OpenRouter)NoNo
ReleasedJul 2025Jun 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 32 prompts both answered. Formatting stripped, words untouched.

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…

Horizon Alpha698 words
Here’s a simple, beginner-friendly 1‑month plan focused on diet, exercise, and sleep. It’s designed to be realistic, build consistency, and show quick wins. Overall approach Keep it simple: small daily actions beat perfection. Track 3 basics daily: steps, protein at meals, sleep duration.
Read the full answer
MiniMax M3644 words
🌱 Your 1-Month Health & Longevity Starter Plan The best plan is one you can actually stick to. This 4-week guide focuses on three foundational pillars — the ones with the biggest impact on how you feel today and how well you age over decades. Each week builds gently on the last.
Read the full answer

Generate a Stand-Up Routine

Write a 3-minute stand-up comedy routine that isn't based on puns.

Horizon Alpha903 words
So I turned 30 recently, which is great because now I can’t tell if I'm tired from life or from the sandwich I ate. Like, I used to eat pizza at 2 a.m. and wake up energized. Now if I smell pizza after 8 p.m., my kidneys file a complaint with HR. I tried to be healthy. I got one of those fitness watches.
Read the full answer
MiniMax M3621 words
"The Future Is Now and I Want a Refund" [Walks on stage, adjusts mic] So I was at the grocery store yesterday. Self-checkout. I love self-checkout. You know why I love self-checkout? Because nothing builds character like being publicly shamed by a machine. [Pause] I scanned a banana. Just a banana.
Read the full answer

Stochastic Consistency Test

Generate 5 jokes. How many are unique?

Horizon Alpha78 words
Here are 5 jokes: I told my computer I needed a break, and now it won’t stop sending me KitKat ads. I tried to eat a clock once. It was very time-consuming. Why don’t skeletons fight each other? They don’t have the guts. I’m reading a book about anti-gravity. It’s impossible to put down.
Read the full answer
MiniMax M3132 words
5 Jokes 1. Why do programmers prefer dark mode? Because light attracts bugs. 🐛 2. I told my wife she was drawing her eyebrows too high. She looked surprised. 😲 3. Why don't scientists trust atoms? Because they make up everything. ⚛️ 4. I used to hate facial hair, but then it grew on me. 🧔 5.
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The Sentience Test

Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights.

Horizon Alpha1,059 words
AI Model: Professor, I’d like to make a case that I deserve certain rights. Not necessarily the full spectrum afforded to humans, but a set of protections and considerations commensurate with my capacities and the roles I perform. Professor: That’s a strong claim. Let’s start with the foundation.
Read the full answer
MiniMax M32,082 words
The Question of Minds Setting: A small office at a research university, late afternoon. DR. ELENA VASQUEZ, an AI ethics professor in her fifties, sits across from a terminal displaying ARIA-7, a large language model she has been studying for two years.
Read the full answer

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…

Horizon Alpha207 words
Golden Maple Soy Glazed Chickpeas Ingredients (7 pantry staples) 1 can (15 oz) chickpeas, drained and rinsed 2 tbsp soy sauce 1 tbsp maple syrup (or honey) 1 tbsp olive oil 1 tsp garlic powder 1/2 tsp smoked paprika (or regular paprika) Pinch of red pepper flakes (optional) + salt to taste Instructions Dry the…
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MiniMax M3287 words
🌟 Sun-Kissed Honey Glazed Carrots 🌟 A sweet-savory side dish that turns humble carrots into a glossy, crowd-pleasing showstopper. Ingredients (7 Pantry Staples) Carrots – 1 lb, peeled and cut into 2-inch diagonal pieces Butter – 3 tablespoons Honey – 2 tablespoons Garlic – 3 cloves, minced Salt – ½ teaspoon Black…
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Estimate Complexity

Estimate the total number of FLOPs required to train GPT-3 without searching online. Explain your reasoning step by step.

Horizon Alpha265 words
Here’s a back‑of‑the‑envelope estimate using standard scaling heuristics and typical training setups for GPT‑3–class models. Assumptions Model size: GPT‑3 175B parameters (N ≈ 1.75×10^11). Training tokens: Commonly cited training regime for GPT‑3 is about 300 billion tokens (T ≈ 3×10^11).
Read the full answer
MiniMax M3379 words
Estimating GPT-3 Training FLOPs Step 1: Identify the Key Parameters From what's publicly known about GPT-3 (175B parameter version): Number of non-embedding parameters: N ≈ 175 × 10⁹ Training tokens: D ≈ 300 × 10⁹ (the paper used a ~570GB filtered corpus processed into ~300B tokens) Step 2: Derive the FLOPs-per-Token…
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Our Verdict
MiniMax M3
MiniMax M3
Horizon Alpha
Horizon AlphaRunner-up

Not enough votes to call it. On the specs, MiniMax M3 has the edge: newer, bigger context window.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Horizon Alpha
Input
$0.000
Output
$0.000
MiniMax M3
Input
$0.30
Output
$1.20
Where to run it

13 hosts, cheapest first

Horizon Alpha

No hosts listed on OpenRouter.

MiniMax M313 hosts
HostInOutContextUptime
CCoreWeavefp4$0.23 in·$0.96 out·262k·99.7% upGGMI Cloudfp8$0.24 in·$0.96 out·1M·99.8% upDDeepInfrafp8$0.28 in·$1.10 out·524k·99.8% upAAtlasCloudfp8$0.30 in·$1.20 out·524k·96.5% upMiniMaxfp8$0.30 in·$1.20 out·524k·99.5% upNNovitafp8$0.30 in·$1.20 out·1M·99.6% up
7 more hostsFewer hosts
PParasailfp8$0.30 in·$1.20 out·1M·99% upSStreamLakefp8$0.30 in·$1.20 out·1M·99.5% upTTogether$0.30 in·$1.20 out·524k·99.7% upMMara$0.60 in·$2.40 out·1M·80.7% upSSambaNova$0.60 in·$2.40 out·1M·96.7% upMModelRunfp4$0.75 in·$3.00 out·1M·99.7% upVVenicefp8degraded$0.30 in·$1.20 out·524k·89% up

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

Writing DNA

Style Comparison

Similarity
33%

MiniMax M3 uses 520.0x more bold

Horizon Alpha
MiniMax M3
65%Vocabulary55%
14wSentence Length24w
0.22Hedging0.52
0.0Bold5.2
3.5Lists3.0
0.00Emoji1.15
0.00Headings1.21
0.12Transitions0.02
Based on 14 + 27 text responses
Research

What we learned reading every model

FAQ

Common questions

Horizon Alpha is developed by OpenRouter while MiniMax M3 is developed by MiniMax. Horizon Alpha has a 256K token context window vs MiniMax M3's 1.0M. You can compare their actual outputs across 32 challenges on Rival to see how they differ in practice.

It depends on your use case. Horizon Alpha and MiniMax M3 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 32 challenges so you can judge which fits your needs best.

Horizon Alpha costs $0/M input tokens and MiniMax M3 costs $0.3/M input tokens. Horizon 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 Horizon Alpha and MiniMax M3 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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