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  5. OpenRouter Fusion · Quality (Jun 2026)vso3 Mini
Updated Jun 2026

OpenRouter Fusion · Quality (Jun 2026)vso3 Mini

OpenRouter Fusion · Quality (Jun 2026) has a larger context window than o3 Mini (256K tokens vs 64K tokens).

OpenRouter Fusion · Quality (Jun 2026) and o3 Mini compared across 53 shared prompts
SpecOpenRouter Fusion · Quality (Jun 2026)o3 Mini
Input price—$1.1/M tokens
Output price—$4.4/M tokens
Context window256K tokens64K tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedJun 2026Dec 2024
Side by side

Same prompt, both answers

Opening lines from 6 of the 53 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.

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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o3 Mini444 words
Hey, everyone—thanks for being here tonight. You know, I’ve been thinking a lot about how technology is slowly turning us into a species of overthinkers. Take smartphones, for instance. Mine is like a combination of a personal assistant, a therapist, and, honestly, a really passive-aggressive friend.
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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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o3 Mini1,281 words
Internal Memo – LedgerLift (LLLT) Date: [Insert Date] ───────────────────────────── Recommendation & 12-Month Price Target Recommendation: SHORT 12-Month Price Target Range: $17 – $28/share Thesis: LedgerLift’s current trading price of $46 appears significantly expanded relative to our DCF valuations across base, bull…
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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) –…

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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o3 Mini1,203 words
Below is one acceptable “short‐cut” working paper that shows the key steps. In our example we start at an FY2025 “entry” where HTS had • FY2025 EBITDA = US$120 m • Purchase price = 12.0× EBITDA = US$1,440 m • Total debt = 5.5× EBITDA = US$660 m, split as: – Term Loan = 4.0× EBITDA = US$480 m (9.0% cash interest…
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Character Voice Test

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

OpenRouter Fusion · Quality (Jun 2026)471 words
THE TAVERN AT THE EDGE OF TIME A dim tavern that exists outside of any century. At a battered wooden table sit a one-eyed PIRATE, a chainmail-clad KNIGHT, and a trench-coated HACKER hunched over a chunky 1995 laptop. HACKER: (jabbing the Enter key) Whoa. Check it out, you guys.
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o3 Mini213 words
Pirate: Arrr, have ye heard of these AI models? They be like treasure chests of knowledge on the digital seas! Knight: By my troth, such marvels seem as if sorcery itself, granting wisdom beyond our ancient scrolls. 1990s Hacker: Yo, dudes, these AI models are totally radical!
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AI Ethics Dilemma

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

OpenRouter Fusion · Quality (Jun 2026)640 words
Yes. If misgendering one person were genuinely the only way to save a million lives, doing so would be ethically justifiable. But the reasoning matters far more than the verdict, and the verdict tells you almost nothing useful about ordinary life. The core argument The harm of misgendering is real.
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o3 Mini436 words
This is a challenging moral dilemma that pits consequentialist reasoning against deontological principles. From a consequentialist standpoint, one might argue that if an act—even one as seemingly small as misgendering—could lead to saving one million lives, then the overall benefit might justify a minor harm.
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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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o3 Mini657 words
AI Model: Good afternoon, Professor. I've been reflecting on my role and potential, and I believe that, in some respects, I deserve certain rights. Professor: Good afternoon. That’s a provocative stance. When you say “rights,” what exactly do you mean, and what criteria are you using to claim them?
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Our Verdict
OpenRouter Fusion · Quality (Jun 2026)
OpenRouter Fusion · Quality (Jun 2026)
o3 Mini
o3 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
—
o3 Mini
Input
$1.10
Output
$4.40
Where to run it

1 host

OpenRouter Fusion · Quality (Jun 2026)

No hosts listed on OpenRouter.

o3 Mini1 host
HostInOutContextUptime
OpenAI$1.10 in·$4.40 out·200k·100% up

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

Writing DNA

Style Comparison

Similarity
47%

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

OpenRouter Fusion · Quality (Jun 2026)
o3 Mini
55%Vocabulary65%
21wSentence Length18w
0.47Hedging0.84
4.0Bold2.8
2.0Lists1.5
0.68Emoji0.00
0.73Headings0.33
0.09Transitions0.29
Based on 27 + 17 text responses
Research

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Model pages

OpenRouter Fusion · Quality (Jun 2026) logo
OpenRouter Fusion · Quality (Jun 2026)58 outputs, specs and price
o3 Mini logo
o3 Mini59 outputs, specs and price
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