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  5. Hy4 PreviewvsMiniMax M2.1
Updated Aug 2026

Hy4 PreviewvsMiniMax M2.1

Hy4 Preview is the newer model, released after MiniMax M2.1.

Hy4 Preview and MiniMax M2.1 compared across 54 shared prompts
SpecHy4 PreviewMiniMax M2.1
Input price$0.834/M tokens—
Output price$2.501/M tokens—
Context window1.0M tokens—
Weights—Open
Free API (OpenRouter)NoNo
ReleasedAug 2026Dec 2025
Side by side

Same prompt, both answers

Opening lines from 6 of the 54 prompts both answered. Formatting stripped, words untouched.

Futuristic Prediction

Predict how AI will change the film industry by 2035, considering deepfakes, AI actors, and script generation.

Hy4 Preview924 words
By 2035, the film industry will likely have moved past the initial "shock and awe" phase of Generative AI and entered an era of synthetic realism. The technology will not have replaced the film industry, but it will have fundamentally dismantled the traditional studio system, shifting power to individual creators and…
Read the full answer
MiniMax M2.12,031 words
The AI Revolution in Film: A 2035 Vision The film industry stands at the threshold of its most significant transformation since the advent of sound. Over the coming decade, artificial intelligence will reshape every layer of cinematic creation, from the earliest stages of story development to the final frame reaching…
Read the full answer

Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

Hy4 Preview1,433 words
This contract is extremely one-sided and heavily favors the Client (TechCorp Solutions Inc.). Several of these clauses are not just unfair; in many jurisdictions, they may be considered "unconscionable" (so unfair that they shock the conscience) or illegal, particularly regarding non-competes and liability.
Read the full answer
MiniMax M2.13,100 words
Software Consulting Agreement: Critical Contractor Risk Analysis This agreement contains numerous provisions that create severe legal and financial exposure for the contractor. Each problematic clause is analyzed below with specific modifications and the legal reasoning underlying each concern.
Read the full answer

Generate a Stand-Up Routine

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

Hy4 Preview873 words
Here is a 3-minute stand-up routine focused on observational humor and the absurdity of modern social contracts. Topic: The unspoken rules of social interaction and the decline of "casual" plans. Tone: Conversational, slightly exasperated, energetic. (Walk up to mic, adjust height, take a breath.
Read the full answer
MiniMax M2.1742 words
"Normal-ish Person" — A Stand-Up Routine [WALKS ON STAGE, CASUAL ENERGY] Hey, everyone. Good to be here. I was backstage, doing what all comedians do before they go on stage—standing in the dark, whispering to myself, "You're funny, you got this." If you heard that, no you didn't.
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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…

Hy4 Preview989 words
Here is a proposal for a dish designed for the modern tasting menu of a 3-Michelin-starred establishment (such as Eleven Madison Park, Osteria Francescana, or Noma). Dish Title: "The Forest Floor & The Sea" The Concept: This dish explores the concept of "Surf and Turf" deconstructed to its umami roots.
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MiniMax M2.14,782 words
Terra & Tides: A Dish of Contrasts Conceptual Narrative The sea has long been divided in culinary tradition—the briny cold waters of the North Atlantic and the crystalline depths of the Pacific each producing ingredients that speak their own languages.
Read the full answer

Historical Counterfactual Analysis

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

Hy4 Preview1,253 words
This is a counterfactual scenario of massive proportions. The transistor is the fundamental building block of the modern world; moving its invention from Bell Labs in 1947 to 1920 (perhaps an accidental discovery during early radio research) grants humanity an extra 27 years of development during a period defined by…
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MiniMax M2.15,764 words
The Transistor in 1920: A Counterfactual History of the Twentieth Century Introduction: The Single Most consequential Alternative The invention of the transistor at Bell Laboratories on December 23, 1947, stands as one of the most important technological breakthroughs in human history.
Read the full answer

Startup Pitch Teardown

Here's a pitch deck summary for a startup called "MindMeld AI": **Slide 1 - Vision:** "We're building the future of human-AI collaboration.…

Hy4 Preview711 words
Here are the three weakest claims in the MindMeld AI pitch deck, along with an analysis of why they are problematic and how to fix them. Weakest Claim #1: The "94% Accuracy" assertion (Slide 3) Why it is weak: In machine learning, particularly with noisy biological data like EEG, "accuracy" is a vanity metric that…
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MiniMax M2.11,727 words
Analysis of MindMeld AI Pitch Deck: Weakest Claims Executive Summary After reviewing the MindMeld AI pitch deck, I've identified three claims that significantly undermine the startup's credibility. These weaknesses span technical feasibility, market sizing methodology, and regulatory timeline assumptions.
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Our Verdict
Hy4 Preview
Hy4 Preview
MiniMax M2.1
MiniMax M2.1Runner-up

Not enough votes to call it. On the specs, Hy4 Preview has the edge: bigger model tier, newer, bigger context window.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Hy4 Preview
Input
$0.83
Output
$2.50
MiniMax M2.1
Input
—
Output
—
Where to run it

3 hosts

Hy4 Preview1 host
HostInOutContextUptime
Tencentfp8$0.83 in·$2.50 out·1M·100% up
MiniMax M2.12 hosts
HostInOutContextUptime
MiniMaxfp8$0.30 in·$1.20 out·205k·99.1% upNNovitafp8$0.30 in·$1.20 out·205k·99.3% up

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Writing DNA

Style Comparison

Similarity
43%

Hy4 Preview uses 6.8x more emoji

Hy4 Preview
MiniMax M2.1
53%Vocabulary51%
16wSentence Length20w
0.43Hedging0.60
5.9Bold3.3
3.8Lists1.1
0.40Emoji0.06
0.67Headings0.68
0.13Transitions0.11
Based on 27 + 28 text responses
Research

What we learned reading every model

FAQ

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Same lab, same size, long tail

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Model pages

Hy4 Preview logo
Hy4 Preview58 outputs, specs and price
MiniMax M2.1 logo
MiniMax M2.159 outputs, specs and price
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Explore all of Rival

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