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  5. OpenAI o4 Mini HighvsQwen3.8 Max Prime
Updated Sep 2026

OpenAI o4 Mini HighvsQwen3.8 Max Prime

OpenAI o4 Mini High is cheaper than Qwen3.8 Max Prime at $1.1/M vs $4/M input tokens.

OpenAI o4 Mini High and Qwen3.8 Max Prime compared across 19 shared prompts
SpecOpenAI o4 Mini HighQwen3.8 Max Prime
Input price$1.1/M tokens$4/M tokens
Output price$4.4/M tokens$12/M tokens
Context window200K tokens1.0M tokens
WeightsClosedClosed
Free API (OpenRouter)NoNo
ReleasedApr 2025Sep 2026
Side by side

Same prompt, both answers

Opening lines from 4 of the 19 prompts both answered. Formatting stripped, words untouched.

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…

OpenAI o4 Mini High244 words
Sun‑Kissed Bean Spaghetti A bright, one‑pot pasta that turns seven simple pantry staples into a satisfying meal in 20 minutes. Ingredients (serves 2–3) 8 oz (about 2 cups) dried spaghetti or any pasta 1 (14.5 oz) can diced tomatoes (with juices) 1 (15 oz) can beans (cannellini, kidney or chickpeas), drained & rinsed…
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Qwen3.8 Max Prime223 words
🍯 Golden Hour Noodles A sweet, savory, garlicky pasta that tastes like it took way more effort than it did. Ingredients (7) # Ingredient Amount 1 Spaghetti 8 oz (half a box) 2 Butter 3 tablespoons 3 Garlic, minced 4 cloves 4 Honey 2 tablespoons 5 Soy sauce 1 tablespoon 6 Red pepper flakes ½ teaspoon 7 Parmesan cheese…
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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…

OpenAI o4 Mini High586 words
One‑Month Starter Plan for Better Health & Longevity Focus areas: 1) Diet 2) Exercise 3) Sleep Week 1 – Lay the Foundations • Diet – Track what you eat for 3 days (use a notes app or paper). – Add at least 8 cups (2 L) of water daily. – Include one extra serving of fruit or veg at each meal.
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Qwen3.8 Max Prime473 words
Your 1-Month Foundation Plan A simple, progressive plan built on three pillars. Each week, you add one small layer. No perfection required—just consistency. 🏃 Pillar 1: Movement Why: Even modest activity reduces all-cause mortality risk and improves mood, sleep, and energy within days.
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Mini LBO Underwrite

You are underwriting a 5-year LBO for a private equity investment committee. Company (fictional): HarborTech Services (HTS) –…

OpenAI o4 Mini High483 words
Below is a five-year LBO “quick-and-dirty” model for HTS. All figures in $m. Assumptions (entry FY 2025): • Revenue 900; EBITDA 120 (13.3%); EV = 12.0×120 = 1,440 • Debt = 5.5×120 = 660 (Term Loan 480; Mezz 180); Fees = 2%×1,440 = 28.8 → Equity = 1,440+28.8–660 = 808.8 • Term Loan: 9.0% cash interest; 1.0% amort of…
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Qwen3.8 Max Prime673 words
HarborTech Services (HTS) – LBO Underwriting Memo Entry & Capital Structure Item Amount FY2025 EBITDA $120.0m Entry Multiple 12.0x Enterprise Value $1,440.0m Transaction Fees (2.0% of EV) $28.8m Total Uses $1,468.8m Term Loan (4.0x, 9.0% cash, 1.0% amort) $480.0m Mezzanine (1.5x, 12.0% cash + 2.0% PIK) $180.0m Sponsor…
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Advanced Investment Memo (IC Memo)

You are writing an internal investment committee memo for a long/short equity fund. Company (fictional): LedgerLift (ticker: LLLT) – B2B…

OpenAI o4 Mini High694 words
Investment Committee Memo Subject: LedgerLift (LLLT) – B2B SaaS Spend Management & AP Automation Date: MM/DD/2026 Recommendation • Short LLLT; 12-month price target: $28–$43 • Thesis (2 sentences): LLLT’s shares trade at 9× NTM revenue and 35× EBIT vs.
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Qwen3.8 Max Prime1,001 words
INVESTMENT COMMITTEE MEMO LedgerLift (LLLT) B2B Spend Management & AP Automation SaaS Date: [Current] Analyst: [Name] Sector: Enterprise Software RECOMMENDATION LONG 12-Month Price Target: $50–$58 Current: $46 Thesis: LedgerLift is a high-quality compounder (123% NRR, 18-month CAC payback, 92% subscription mix) trading…
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Our Verdict
Qwen3.8 Max Prime
Qwen3.8 Max Prime
OpenAI o4 Mini High
OpenAI o4 Mini HighRunner-up

Not enough votes to call it. On the specs, Qwen3.8 Max Prime 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

OpenAI o4 Mini High
Input
$1.10
3.6× cheaper
Output
$4.40
2.7× cheaper
Qwen3.8 Max Prime
Input
$4.00
Output
$12.00

OpenAI o4 Mini High is cheaper on both: 3.6× input, 2.7× output.

Where to run it

2 hosts

OpenAI o4 Mini High1 host
HostInOutContextUptime
OpenAI$1.10 in·$4.40 out·200k·100% up
Qwen3.8 Max Prime1 host
HostInOutContextUptime
Alibaba Cloud$4.00 in·$12.00 out·1M·99.9% up

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

Research

What we learned reading every model

FAQ

Common questions

OpenAI o4 Mini High is developed by OpenAI while Qwen3.8 Max Prime is developed by Qwen. OpenAI o4 Mini High has a 200K token context window vs Qwen3.8 Max Prime's 1.0M. You can compare their actual outputs across 19 challenges on Rival to see how they differ in practice.

It depends on your use case. OpenAI o4 Mini High and Qwen3.8 Max Prime each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 19 challenges so you can judge which fits your needs best.

OpenAI o4 Mini High costs $1.1/M input tokens and Qwen3.8 Max Prime costs $4/M input tokens. OpenAI o4 Mini High is $2.90/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 OpenAI o4 Mini High and Qwen3.8 Max Prime 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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Model pages

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OpenAI o4 Mini High55 outputs, specs and price
Qwen3.8 Max Prime logo
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Rival
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