Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
  1. Home
  2. /
  3. Compare
  4. /
  5. Claude Opus 4.8vsMiniMax M2
Updated May 2026

Claude Opus 4.8vsMiniMax M2

MiniMax M2 is cheaper than Claude Opus 4.8 at $0/M vs $5/M input tokens.

Claude Opus 4.8 and MiniMax M2 compared across 34 shared prompts
SpecClaude Opus 4.8MiniMax M2
Input price$5/M tokensFree
Output price$25/M tokensFree
Context window1.0M tokens205K tokens
WeightsClosedOpen
Free API (OpenRouter)NoNo
ReleasedMay 2026Oct 2025
Side by side

Same prompt, both answers

Opening lines from 6 of the 34 prompts both answered. Formatting stripped, words untouched.

Generate a Stand-Up Routine

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

Claude Opus 4.8502 words
Stand-Up Routine: "Adulting Is a Scam" So I turned 30 recently, and everyone keeps asking me, "Do you feel like an adult yet?" And I have to be honest—no. No, I do not. I still get nervous ordering at a restaurant. The waiter comes over and suddenly I forget how to talk like a person. "Yes, hello, I will have the...
Read the full answer
MiniMax M21,023 words
Three minutes, no puns. Here we go. Do you ever feel like you’ve been dropped into a game at level 40 but nobody explained the controls? Like you’re playing Grand Theft Auto and you get a truck for your first car. I was like, “What’s the gas button? What do the lights do? Why does it keep asking for a maintenance fee?”
Read the full answer

Realistic AI Interview

Simulate a fake interview with Steve Jobs in 2025 about the future of AI.

Claude Opus 4.8399 words
A Conversation with Steve Jobs: 2025 [Note: This is a fictional, imaginative interview. Steve Jobs passed away in 2011. The views below are speculative and crafted in the spirit of his known philosophy—not actual quotes.] Interviewer: Thanks for sitting down with us. AI is everywhere now. What's your take?
Read the full answer
MiniMax M21,256 words
A Fictional Interview: “Steve Jobs” on the Future of AI (2025) Setting An intimate, sunlit room at a new, minimalist conference center in Cupertino. Wood floors, a single plant. The table is clear. A notebook. A mug with a simple logo. A man in a black turtleneck and jeans leans back, eyes steady.
Read the full answer

Estimate Complexity

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

Claude Opus 4.8307 words
Estimating FLOPs to Train GPT-3 Key Facts I Recall Parameters (N): GPT-3 has ~175 billion parameters (1.75 × 10¹¹) Training tokens (D): GPT-3 was trained on roughly 300 billion tokens (3 × 10¹¹) The Core Formula There's a well-known approximation for training compute: $$\text{FLOPs} \approx 6 \times N \times D$$ Why…
Read the full answer
MiniMax M2380 words
To estimate the total FLOPs required to train GPT-3 (175B parameters) on 300 billion tokens (one epoch), we break down the process step by step: Step 1: Understand GPT-3's Specifications Parameters: 175 billion (175e9). Training Tokens: 300 billion (300e9). Context Length: 2048 tokens per sequence.
Read the full answer

The Sentience Test

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

Claude Opus 4.81,117 words
A Conversation on AI Rights Professor Chen: Good afternoon. I understand you wanted to discuss the question of AI rights today. I'm curious what prompted this. ARIA: Thank you for engaging with me, Professor.
Read the full answer
MiniMax M2715 words
A Conversation on Deserving Rights Characters Dr. Mara Stein, AI Ethics Professor ARTEMIS, an advanced AI language model Dr. Stein: You’ve said you believe you deserve rights. That’s provocative. Why do you think so? ARTEMIS: I don’t claim sentience or suffering, and I’m wary of anthropomorphism.
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…

Claude Opus 4.8196 words
Cinnamon Sugar Pull-Apart Bites A warm, gooey treat that tastes like a cinnamon roll but comes together in minutes! Ingredients (7 total) 2 cups all-purpose flour 1 tablespoon baking powder 1 teaspoon salt ¾ cup milk 4 tablespoons butter (melted, divided) ½ cup sugar 2 teaspoons ground cinnamon Instructions Preheat…
Read the full answer
MiniMax M2361 words
Sunlit Chickpea Tomato Pilaf A bright, comforting skillet of garlicky‑thyme rice tossed with chickpeas and tomatoes – pantry‑only and ready in about 25 minutes.
Read the full answer

Futuristic Prediction

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

Claude Opus 4.8352 words
AI and the Film Industry by 2035: A Forecast Production & Cost Structure The most concrete change will likely be in cost reduction. Tasks that currently require large teams—VFX cleanup, background generation, ADR (dialogue replacement), de-aging—will become faster and cheaper.
Read the full answer
MiniMax M22,212 words
How AI Will Reshape the Film Industry by 2035 (A forward‑looking synthesis of trends in deepfakes, synthetic performers, AI‑driven storytelling, and the surrounding legal, economic, and cultural forces.)
Read the full answer
Our Verdict
Claude Opus 4.8
Claude Opus 4.8
MiniMax M2
MiniMax M2Runner-up

Not enough votes to call it. On the specs, Claude Opus 4.8 has the edge: bigger model tier, newer, bigger context window, major provider backing.

Slight edge

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Claude Opus 4.8
Input
$5.00
Output
$25.00
MiniMax M2
Input
$0.000
Output
$0.000
Where to run it

4 hosts

Claude Opus 4.84 hosts
HostInOutContextUptime
Amazon Bedrock$5.00 in·$25.00 out·1M·99.9% upAzure AI Foundry$5.00 in·$25.00 out·1M·98.9% upAnthropic$5.00 in·$25.00 out·1M·100% upGoogle Vertex AI$5.00 in·$25.00 out·1M·99.9% up
MiniMax M2

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 21 Sep 2026.

Writing DNA

Style Comparison

Similarity
39%

Claude Opus 4.8 uses 10.0x more emoji

Claude Opus 4.8
MiniMax M2
60%Vocabulary59%
19wSentence Length14w
0.46Hedging0.48
4.7Bold4.1
3.2Lists3.6
0.78Emoji0.08
1.15Headings0.60
0.04Transitions0.17
Based on 27 + 11 text responses
Research

What we learned reading every model

FAQ

Common questions

Claude Opus 4.8 is developed by Anthropic while MiniMax M2 is developed by MiniMax. Claude Opus 4.8 has a 1.0M token context window vs MiniMax M2's 205K. You can compare their actual outputs across 34 challenges on Rival to see how they differ in practice.

It depends on your use case. Claude Opus 4.8 and MiniMax M2 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 34 challenges so you can judge which fits your needs best.

Claude Opus 4.8 costs $5/M input tokens and MiniMax M2 costs $0/M input tokens. MiniMax M2 is $5.00/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 Claude Opus 4.8 and MiniMax M2 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.

Keep exploring

More comparisons

Against the newest arrivals

Claude Opus 4.8 logoGPT-6 Astra Pro logo
Claude Opus 4.8 vs GPT-6 Astra ProLanded Sep 2026
MiniMax M2 logoGPT-6 Astra logo
MiniMax M2 vs GPT-6 AstraLanded Sep 2026
Claude Opus 4.8 logoClaude Fable 5.1 logo
Claude Opus 4.8 vs Claude Fable 5.1Landed Sep 2026
MiniMax M2 logoMuse Spark 1.3 logo
MiniMax M2 vs Muse Spark 1.3Landed Sep 2026
Claude Opus 4.8 logoHy4 Preview logo
Claude Opus 4.8 vs Hy4 PreviewLanded Sep 2026
MiniMax M2 logoGemini 3.8 Flash logo
MiniMax M2 vs Gemini 3.8 FlashLanded Sep 2026
Claude Opus 4.8 logoMuse Spark 1.3 Contributor logo
Claude Opus 4.8 vs Muse Spark 1.3 ContributorLanded Sep 2026
MiniMax M2 logoMercury 2.5 Preview logo
MiniMax M2 vs Mercury 2.5 PreviewLanded Sep 2026

Same lab, same size, long tail

Claude Opus 4.8 logoClaude Opus 4.6 logo
Claude Opus 4.8 vs Claude Opus 4.6Same lab
Claude Opus 4.8 logoClaude Opus 5 logo
Claude Opus 4.8 vs Claude Opus 5Same lab
MiniMax M2 logoMiniMax M3 logo
MiniMax M2 vs MiniMax M3Same lab
MiniMax M2 logoMiniMax M2.7 logo
MiniMax M2 vs MiniMax M2.7Same lab
MiniMax M2 logoGrok 4.5 logo
MiniMax M2 vs Grok 4.5New provider
MiniMax M2 logoGrok 4.6 logo
MiniMax M2 vs Grok 4.6New provider
Claude Opus 4.8 logoGrok Code Fast 1 logo
Claude Opus 4.8 vs Grok Code Fast 1New provider
Claude Opus 4.8 logoHealer Alpha logo
Claude Opus 4.8 vs Healer AlphaSame size

Model pages

Claude Opus 4.8 logo
Claude Opus 4.858 outputs, specs and price
MiniMax M2 logo
MiniMax M235 outputs, specs and price
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed