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  5. GPT-5.1 ChatvsMiMo-V2.6-Flash
Updated Sep 2026

GPT-5.1 ChatvsMiMo-V2.6-Flash

MiMo-V2.6-Flash is cheaper than GPT-5.1 Chat at $0.14/M vs $1.25/M input tokens.

GPT-5.1 Chat and MiMo-V2.6-Flash compared across 10 shared prompts
SpecGPT-5.1 ChatMiMo-V2.6-Flash
Input price$1.25/M tokens$0.14/M tokens
Output price$10/M tokens$0.28/M tokens
Context window128K tokens1.0M tokens
Free API (OpenRouter)NoNo
ReleasedNov 2025Sep 2026
Side by side

Same prompt, both answers

Opening lines from 2 of the 10 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…

GPT-5.1 Chat191 words
Here’s a simple, beginner‑friendly 1‑month plan focused on diet, exercise, and sleep. Diet • Week 1: Add one serving of vegetables to one meal each day. • Week 2: Swap one processed snack (chips, cookies) for fruit, nuts, or yogurt. • Week 3: Aim for one balanced plate per day (protein, vegetables, healthy carbs).
Read the full answer
MiMo-V2.6-Flash939 words
🌱 Your 1-Month Health & Longevity Starter Plan Philosophy: Don't overhaul everything at once. Build one small habit per week, and let them stack. 📌 The 3 Pillars Nourish — Dietary changes Move — Physical activity Restore — Sleep & stress management Week 1: Foundation (Focus: Awareness) 🥗 Nourish Audit your plate…
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-5.1 Chat111 words
Sweet Citrus Cloud Squares Ingredients (7 total) 1 cup all-purpose flour 1 cup sugar 1 cup plain yogurt 2 eggs 1 teaspoon baking powder Zest of 1 lemon 2 tablespoons melted butter Instructions Preheat oven to 350°F (175°C). Lightly grease an 8x8 baking dish.
Read the full answer
MiMo-V2.6-Flash199 words
🍯 Golden Honey-Pepper Skillet Pasta A warm, savory-sweet pasta that tastes like comfort in a bowl. 7 Pantry Ingredients: Pasta (spaghetti or penne) Olive oil (or butter) Garlic Honey Soy sauce Red pepper flakes Salt & pepper (counted as one pantry staple) ⏱️ Times Prep Time 5 minutes Cook Time 12 minutes Total ~17…
Read the full answer
Our Verdict
GPT-5.1 Chat
GPT-5.1 Chat
MiMo-V2.6-Flash
MiMo-V2.6-Flash

Not enough votes to call it. On the specs, nothing separates them.

MiMo-V2.6-Flash costs 36x less per token.

Too close to call
API pricing

Cost per 1M tokens

GPT-5.1 Chat
Input
$1.25
Output
$10.00
MiMo-V2.6-Flash
Input
$0.14
8.9× cheaper
Output
$0.28
36× cheaper

MiMo-V2.6-Flash is cheaper on both: 8.9× input, 36× output.

Where to run it

2 hosts

GPT-5.1 Chat

No hosts listed on OpenRouter.

MiMo-V2.6-Flash2 hosts
HostInOutContextUptime
Xiaomifp8$0.14 in·$0.28 out·1M·100% upDDeepInfrafp8degraded$0.14 in·$0.28 out·1M·95.3% up

Per million tokens. Prices and uptime via OpenRouter, checked 23 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

GPT-5.1 Chat is developed by OpenAI while MiMo-V2.6-Flash is developed by Xiaomi. GPT-5.1 Chat has a 128K token context window vs MiMo-V2.6-Flash's 1.0M. You can compare their actual outputs across 10 challenges on Rival to see how they differ in practice.

It depends on your use case. GPT-5.1 Chat and MiMo-V2.6-Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 10 challenges so you can judge which fits your needs best.

GPT-5.1 Chat costs $1.25/M input tokens and MiMo-V2.6-Flash costs $0.14/M input tokens. MiMo-V2.6-Flash is $1.11/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-5.1 Chat and MiMo-V2.6-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-5.1 Chat logoDeepSeek V4 Flash Vision Exp logo
GPT-5.1 Chat vs DeepSeek V4 Flash Vision ExpLanded Sep 2026
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MiMo-V2.6-Flash vs Solar Pro 4Landed Sep 2026
GPT-5.1 Chat logoHy3 logo
GPT-5.1 Chat vs Hy3Landed Sep 2026
MiMo-V2.6-Flash logoQwen3.7 Flash logo
MiMo-V2.6-Flash vs Qwen3.7 FlashLanded Sep 2026
GPT-5.1 Chat logoLing 3.0 Flash logo
GPT-5.1 Chat vs Ling 3.0 FlashLanded Sep 2026
MiMo-V2.6-Flash logoMuse Glimmer 30B logo
MiMo-V2.6-Flash vs Muse Glimmer 30BLanded Sep 2026
GPT-5.1 Chat logoGLM 5.3 logo
GPT-5.1 Chat vs GLM 5.3Landed Sep 2026
MiMo-V2.6-Flash logoTernary Bonsai 2 27B logo
MiMo-V2.6-Flash vs Ternary Bonsai 2 27BLanded Sep 2026

Same lab, same size, long tail

GPT-5.1 Chat logoGPT-6 Astra Pro logo
GPT-5.1 Chat vs GPT-6 Astra ProSame lab
GPT-5.1 Chat logoGPT-6 Astra logo
GPT-5.1 Chat vs GPT-6 AstraSame lab
MiMo-V2.6-Flash logoMiMo-V2.6-Pro logo
MiMo-V2.6-Flash vs MiMo-V2.6-ProSame lab
MiMo-V2.6-Flash logoMiMo-V2.5 logo
MiMo-V2.6-Flash vs MiMo-V2.5Same lab
MiMo-V2.6-Flash logoElephant Alpha logo
MiMo-V2.6-Flash vs Elephant AlphaSame size
MiMo-V2.6-Flash logoERNIE 4.5 300B A47B logo
MiMo-V2.6-Flash vs ERNIE 4.5 300B A47BNew provider
MiMo-V2.6-Flash logoOpenRouter Fusion · Budget (Jun 2026) logo
MiMo-V2.6-Flash vs OpenRouter Fusion · Budget (Jun 2026)New provider
MiMo-V2.6-Flash logoOpenRouter Fusion · Quality (Jun 2026) logo
MiMo-V2.6-Flash vs OpenRouter Fusion · Quality (Jun 2026)New provider

Model pages

GPT-5.1 Chat logo
GPT-5.1 Chat53 outputs, specs and price
MiMo-V2.6-Flash logo
MiMo-V2.6-Flash10 outputs, specs and price
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