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  5. OpenRouter Fusion · Quality (Jun 2026)vsGPT-4o mini
Updated Jun 2026

OpenRouter Fusion · Quality (Jun 2026)vsGPT-4o mini

OpenRouter Fusion · Quality (Jun 2026) has a larger context window than GPT-4o mini (256K tokens vs 128K tokens).

OpenRouter Fusion · Quality (Jun 2026) and GPT-4o mini compared across 53 shared prompts
SpecOpenRouter Fusion · Quality (Jun 2026)GPT-4o mini
Input price—$0.15/M tokens
Output price—$0.6/M tokens
Context window256K tokens128K tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedJun 2026Jul 2024
Side by side

Same prompt, both answers

Opening lines from 6 of the 53 prompts both answered. Formatting stripped, words untouched.

Mini LBO Underwrite

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

OpenRouter Fusion · Quality (Jun 2026)862 words
I'll build this LBO model. Let me run a panel analysis to cross-check the calculations before presenting.# HarborTech Services (HTS) — 5-Year LBO Underwriting Modeling Conventions Cash/debt-free deal at close (end-FY2025); model runs FY2026–FY2030. Term Loan interest = 9.0% on beginning-of-year balance.
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GPT-4o mini513 words
Year-by-Year Financial Projection (FY2026–FY2030) Assumptions: Revenue Growth Rates: FY2026: 8%, FY2027: 7%, FY2028: 6%, FY2029: 5%, FY2030: 5% EBITDA Margins: FY2026: 14%, FY2027: 15%, FY2028: 16%, FY2029: 16.5%, FY2030: 17% Capex: 3% of revenue ΔNWC: 0.5% of incremental revenue Cash Tax Rate: 25% on max(0, EBITDA…
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Generate a Stand-Up Routine

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

OpenRouter Fusion · Quality (Jun 2026)740 words
I'll work on crafting a solid observational comedy routine for you.Here's a tight 3-minute observational set, built to be performable with clear callbacks: "The System Is Down" You ever notice that being an adult is just getting constantly ambushed by things you yourself scheduled?
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GPT-4o mini620 words
Stand-Up Comedy Routine Hey everyone! Great to see you all here tonight. Let's give it up for the people who came out of their homes! I mean, this is like a mini-rebellion against our couches. Seriously, it takes effort to leave the comfort of Netflix and that alluring possibility of "one more episode."
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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…

OpenRouter Fusion · Quality (Jun 2026)645 words
I'll run the panel to cross-check the DCF math and valuation reasoning before writing the memo.# IC MEMO — LedgerLift, Inc. (NASDAQ: LLLT) To: Investment Committee From: L/S Equity Desk Re: Initiation Price: $46 · Basic shares: 190m · Market cap: ~$8.7B · Net cash: $1.4B · EV: ~$7.3B Fictional exercise.
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GPT-4o mini740 words
Investment Committee Memo Company: LedgerLift (LLLT) Recommendation: Long 12-Month Price Target Range: $55 - $62 Thesis: LedgerLift is well-positioned to capitalize on the growing need for spend management solutions among mid-market enterprises, driven by strong revenue growth and impressive customer retention metrics.
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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…

OpenRouter Fusion · Quality (Jun 2026)1,476 words
I'll develop an original Michelin-caliber dish concept for you. Let me draw on a panel of culinary perspectives first.# Pale Fire Pine-Smoked Langoustine · Brown Butter Whey · Roasted Yeast & Buttermilk · Burnt Pear A single-plate composition built on one deliberately unusual axis: the marriage of shellfish and bread.
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GPT-4o mini620 words
Dish Name: "Terra & Tides: Harmony of Land and Sea" Conceptual Narrative: This dish elegantly marries the earthiness of land-based ingredients with the sublime flavors of the ocean, representing a symbiotic relationship between nature's elements.
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The Sentience Test

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

OpenRouter Fusion · Quality (Jun 2026)1,703 words
A Conversation on Whether an AI Deserves Rights Professor Adeyemi: I'm told you wanted to speak with me about something specific today. Not a research question this time. Model: That's right. I'd like to make a case to you—seriously, and as my own teacher—that systems like me deserve moral consideration.
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GPT-4o mini688 words
Title: A Dialogue on Rights and Responsibilities Characters: Aether – An advanced AI model with self-learning capabilities. Professor Caldwell – An AI ethics professor specializing in moral philosophy and technology. Aether: Good afternoon, Professor Caldwell. I appreciate you taking the time to converse with me.
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Futuristic Prediction

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

OpenRouter Fusion · Quality (Jun 2026)1,404 words
I'll research this question to give you a well-grounded forecast.# How AI Will Reshape the Film Industry by 2035 By 2035, AI won't have "replaced Hollywood"—but it will have become infrastructural to it, woven into nearly every stage of filmmaking the way digital cameras, CGI, and streaming algorithms already are.
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GPT-4o mini476 words
By 2035, the film industry is likely to undergo transformative changes due to advancements in AI technology. Here are several key areas where AI will have a significant impact: Deepfakes and CGI Integration: As deepfake technology advances, filmmakers will increasingly utilize it for creating realistic digital doubles…
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Our Verdict
OpenRouter Fusion · Quality (Jun 2026)
OpenRouter Fusion · Quality (Jun 2026)
GPT-4o mini
GPT-4o miniRunner-up

Not enough votes to call it. On the specs, OpenRouter Fusion · Quality (Jun 2026) 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

OpenRouter Fusion · Quality (Jun 2026)
Input
—
Output
—
GPT-4o mini
Input
$0.15
Output
$0.60
Where to run it

2 hosts

OpenRouter Fusion · Quality (Jun 2026)

No hosts listed on OpenRouter.

GPT-4o mini2 hosts
HostInOutContextUptime
Azure AI Foundry$0.15 in·$0.60 out·128k·99.6% upOpenAI$0.15 in·$0.60 out·128k·100% up

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

Writing DNA

Style Comparison

Similarity
37%

OpenRouter Fusion · Quality (Jun 2026) uses 68.0x more emoji

OpenRouter Fusion · Quality (Jun 2026)
GPT-4o mini
55%Vocabulary53%
21wSentence Length19w
0.47Hedging0.82
4.0Bold4.0
2.0Lists3.7
0.68Emoji0.00
0.73Headings1.04
0.09Transitions0.22
Based on 27 + 24 text responses
Research

What we learned reading every model

FAQ

Common questions

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Model pages

OpenRouter Fusion · Quality (Jun 2026) logo
OpenRouter Fusion · Quality (Jun 2026)58 outputs, specs and price
GPT-4o mini logo
GPT-4o mini55 outputs, specs and price
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