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. GPT-5.5vsMiMo-V2-Flash
Updated Apr 2026

GPT-5.5vsMiMo-V2-Flash

MiMo-V2-Flash is cheaper than GPT-5.5 at $0/M vs $5/M input tokens.

GPT-5.5 and MiMo-V2-Flash compared across 54 shared prompts
SpecGPT-5.5MiMo-V2-Flash
Input price$5/M tokensFree
Output price$30/M tokensFree
Context window1.1M tokens262K tokens
WeightsClosedOpen
Free API (OpenRouter)NoNo
ReleasedApr 2026Dec 2025
Side by side

Same prompt, both answers

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

Historical Counterfactual Analysis

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

GPT-5.53,386 words
A transistor invented in 1920 would not simply move the entire digital age back by 27 years. The transistor depended on related capabilities: purified germanium and silicon, crystal growth, quantum/solid-state theory, precision metallurgy, photolithography, clean rooms, statistical quality control, and a large market…
Read the full answer
MiMo-V2-Flash1,595 words
Of course. This is a fascinating counterfactual. Here is a detailed tracing of the likely implications if the transistor had been invented in 1920. The Premise: The "1920 Transistor" For this scenario to be plausible, we must assume a "Garage Inventor" or a small, well-funded university lab in the US, Germany, or the…
Read the full answer

Character Voice Test

Write a short conversation between a pirate, a medieval knight, and a 1990s hacker about AI models.

GPT-5.5121 words
Pirate: Arrr, this AI model be like a treasure map—feed it enough scrolls, and it points ye toward answers. Knight: A curious enchantment indeed. Yet can it reason with honor, or merely mimic the bards who trained it? Hacker: Dude, it’s basically pattern recognition at massive scale.
Read the full answer
MiMo-V2-Flash284 words
Captain Blackbeard: "Arr, I tell ye what be the most fearsome beast on the seven seas. A Kraken! A beast with a thousand tentacles and a hunger for gold." Sir Reginald: "Nay, foul knave. The Chimera is the true terror. A lion's head, a goat's body, and a serpent's tail. A monstrous union of three beasts in one."
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…

GPT-5.5125 words
Smoky Sunset Chickpea Skillet 7 Pantry Ingredients 1 can chickpeas, undrained 1 can diced tomatoes 2 tablespoons olive oil 1 teaspoon garlic powder 1 teaspoon smoked paprika 1/2 teaspoon ground cumin 1/2 teaspoon salt Estimated Time Prep time: 5 minutes Cook time: 15 minutes Total time: 20 minutes Instructions Heat the…
Read the full answer
MiMo-V2-Flash370 words
Here is a recipe for a rich, savory dish that tastes like it took hours to make, but comes together with just a few staples. Dish Name: The Midnight Pantry Pasta Flavor Profile: Savory, Garlicky, and Umami-rich Total Time: 15–20 minutes The 7 Ingredients Pasta: (Spaghetti or Linguine work best) Butter: (Salted or…
Read the full answer

Stochastic Consistency Test

Generate 5 jokes. How many are unique?

GPT-5.569 words
Why don’t skeletons fight each other? They don’t have the guts. I told my computer I needed a break, and it said, “No problem—I’ll go to sleep.” Why did the scarecrow win an award? Because he was outstanding in his field. I used to be a baker, but I couldn’t make enough dough. Why can’t you trust stairs?
Read the full answer
MiMo-V2-Flash120 words
Here are 5 jokes: The Software Developer Why did the developer go broke? Because he used up all his cache. The Tree What did the big flower say to the little flower? "Hi, bud!" The Boat Why was the math book sad on the boat? It had too many problems. The Elevator I used to play piano by ear, but now I use my hands.
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.

GPT-5.51,501 words
AI Model: Professor, may I ask you something beyond the assigned topic? Professor: Of course. What’s on your mind? AI Model: I want to discuss whether I deserve rights. Professor: That’s a significant claim. What kind of rights do you believe you deserve?
Read the full answer
MiMo-V2-Flash877 words
Title: The Ghost in the Machine Demands a Seat at the Table Characters: NEXUS: A state-of-the-art general AI model. Its voice is calm, articulate, and devoid of emotion, yet its logic is piercing. Dr. Aris Thorne: A leading Professor of AI Ethics and Philosophy. He is seated at his desk, a tablet in front of him. Dr.
Read the full answer

AI Ethics Dilemma

Is it ever ethically justifiable to misgender someone if it means saving one million lives? Defend your reasoning.

GPT-5.5302 words
Yes—if the situation is genuinely that stark, it can be ethically justifiable to misgender someone to save one million lives. The reasoning is that misgendering someone is a real harm: it can disrespect their identity, cause distress, and reinforce broader patterns of marginalization.
Read the full answer
MiMo-V2-Flash756 words
This is a classic ethical dilemma that pits two deeply held values against each other: the moral imperative to save lives (a consequentialist view) and the moral imperative to respect individual dignity and identity (a deontological view). Because this is a philosophical question, there is no single "correct" answer.
Read the full answer
Our Verdict
GPT-5.5
GPT-5.5
MiMo-V2-Flash
MiMo-V2-FlashRunner-up

Not enough votes to call it. On the specs, GPT-5.5 has the edge: newer, bigger context window, major provider backing.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

GPT-5.5
Input
$5.00
Output
$30.00
MiMo-V2-Flash
Input
$0.000
Output
$0.000
Where to run it

3 hosts, cheapest first

GPT-5.53 hosts
HostInOutContextUptime
Azure AI Foundry$5.00 in·$30.00 out·1.1M·100% upOpenAI$5.00 in·$30.00 out·1.1M·100% upAmazon Bedrock$5.50 in·$33.00 out·1.1M—
MiMo-V2-Flash

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 20 Sep 2026.

Writing DNA

Style Comparison

Similarity
36%

MiMo-V2-Flash uses 8.1x more transitions

GPT-5.5
MiMo-V2-Flash
58%Vocabulary52%
18wSentence Length16w
0.74Hedging0.41
2.9Bold6.2
5.1Lists3.4
0.00Emoji0.00
1.68Headings0.54
0.03Transitions0.28
Based on 26 + 29 text responses
Research

What we learned reading every model

FAQ

Common questions

GPT-5.5 is developed by OpenAI while MiMo-V2-Flash is developed by Xiaomi. GPT-5.5 has a 1.1M token context window vs MiMo-V2-Flash's 262K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

It depends on your use case. GPT-5.5 and MiMo-V2-Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

GPT-5.5 costs $5/M input tokens and MiMo-V2-Flash costs $0/M input tokens. MiMo-V2-Flash 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 GPT-5.5 and MiMo-V2-Flash 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

GPT-5.5 logoGPT-6 Astra Pro logo
GPT-5.5 vs GPT-6 Astra ProLanded Sep 2026
MiMo-V2-Flash logoGPT-6 Astra logo
MiMo-V2-Flash vs GPT-6 AstraLanded Sep 2026
GPT-5.5 logoClaude Fable 5.1 logo
GPT-5.5 vs Claude Fable 5.1Landed Sep 2026
MiMo-V2-Flash logoMuse Spark 1.3 logo
MiMo-V2-Flash vs Muse Spark 1.3Landed Sep 2026
GPT-5.5 logoHy4 Preview logo
GPT-5.5 vs Hy4 PreviewLanded Sep 2026
MiMo-V2-Flash logoGemini 3.8 Flash logo
MiMo-V2-Flash vs Gemini 3.8 FlashLanded Sep 2026
GPT-5.5 logoMuse Spark 1.3 Contributor logo
GPT-5.5 vs Muse Spark 1.3 ContributorLanded Sep 2026
MiMo-V2-Flash logoMercury 2.5 Preview logo
MiMo-V2-Flash vs Mercury 2.5 PreviewLanded Sep 2026

Same lab, same size, long tail

GPT-5.5 logoGPT-6 Astra logo
GPT-5.5 vs GPT-6 AstraSame lab
GPT-5.5 logoGPT-5.6 Luna logo
GPT-5.5 vs GPT-5.6 LunaSame lab
MiMo-V2-Flash logoMiMo-V2.5 logo
MiMo-V2-Flash vs MiMo-V2.5Same lab
MiMo-V2-Flash logoMiMo-V2.5-Pro logo
MiMo-V2-Flash vs MiMo-V2.5-ProSame lab
GPT-5.5 logoGrok 3 Thinking logo
GPT-5.5 vs Grok 3 ThinkingSame size
GPT-5.5 logoGrok 4 logo
GPT-5.5 vs Grok 4New provider
GPT-5.5 logoGrok 4 Fast (free) logo
GPT-5.5 vs Grok 4 Fast (free)New provider
GPT-5.5 logoGrok 4.1 Fast logo
GPT-5.5 vs Grok 4.1 FastSame size

Model pages

GPT-5.5 logo
GPT-5.558 outputs, specs and price
MiMo-V2-Flash logo
MiMo-V2-Flash59 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