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  5. OpenRouter Fusion · Budget (Jun 2026)vsGPT-4
Updated Jun 2026

OpenRouter Fusion · Budget (Jun 2026)vsGPT-4

OpenRouter Fusion · Budget (Jun 2026) has a larger context window than GPT-4 (256K tokens vs 8K tokens).

OpenRouter Fusion · Budget (Jun 2026) and GPT-4 compared across 22 shared prompts
SpecOpenRouter Fusion · Budget (Jun 2026)GPT-4
Input price—$30/M tokens
Output price—$60/M tokens
Context window256K tokens8K tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedJun 2026May 2023
Side by side

Same prompt, both answers

Opening lines from 6 of the 22 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…

OpenRouter Fusion · Budget (Jun 2026)1,670 words
The Spark of Divergence: The Empirical Transistor (1920) In our timeline, the transistor was delayed until 1947 because the materials science of ultra-pure single-crystal semiconductors did not yet exist, and the quantum mechanical understanding of solids (such as Alan Wilson’s band theory) was not published until…
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GPT-4441 words
An early invention of the transistor in 1920 would have had profound implications across numerous domains, drastically altering the course of history. Technological Implications: WWII: The transistor, a fundamental component of modern electronic devices, could have advanced the technology used in WWII significantly.
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Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

OpenRouter Fusion · Budget (Jun 2026)2,563 words
This Software Consulting Agreement is a highly aggressive, deeply one-sided document. In its current form, it shifts virtually all operational, financial, and legal risk onto the contractor while offering almost no reciprocal protections.
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GPT-4533 words
SCOPE: The lack of specificity can be used against the contractor in that the client can modify the scope of work at will without renegotiating the price. This could lead to the contractor working beyond the initially agreed upon parameters without additional pay.
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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 · Budget (Jun 2026)2,510 words
Spectre de la Forêt (Phantom of the Forest) A Contemporary Franco-Japanese Study of Boreal Decay, Preservation, and the Liminal Space Between Seasons I. Conceptual Narrative This dish is a culinary meditation on *wabi-sabi*—the beauty of transience, imperfection, and natural cycles—viewed through a boreal lens.
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GPT-4438 words
Dish Name: Symphony of Scarlet Prawn and Yuzu Conceptual Narrative: This dish is a harmonious interplay of land and sea, with the sweetness of scarlet prawns, a gem of the deep sea, and the refreshing, fragrant citrus notes of yuzu fruit, a treasure from the land.
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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…

OpenRouter Fusion · Budget (Jun 2026)1,095 words
Starting a journey toward better health and longevity does not require an overnight lifestyle overhaul. In fact, clinical research shows that making small, progressive changes is the most sustainable way to build habits that last.
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GPT-4375 words
Title: 1-Month Plan for Better Health and Longevity Week 1 - Establishing a Healthy Diet 1.1: Start Eating Whole Foods: Begin by gradually replacing processed foods in your diet with whole foods. This may include fruits, vegetables, lean proteins, and whole grains.
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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…

OpenRouter Fusion · Budget (Jun 2026)663 words
Here is a simple, incredibly delicious dessert recipe that tastes like it came from a gourmet bakery, yet relies on only 7 basic pantry staples you likely already have at home.
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GPT-4172 words
Dish Name: Hearty Baked Beans Fiesta Ingredients: 2 cans of baked beans 1 large onion 3 cloves of garlic 1 bell pepper 1 can of sweet corn 2 tablespoons of olive oil Salt & pepper to taste Instructions: Preheat your oven to 350°F (175°C). Dice the onion, bell pepper, and mince the garlic.
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Startup Pitch Teardown

Here's a pitch deck summary for a startup called "MindMeld AI": **Slide 1 - Vision:** "We're building the future of human-AI collaboration.…

OpenRouter Fusion · Budget (Jun 2026)768 words
An evaluation of the "MindMeld AI" pitch deck summary reveals three critical weaknesses that would immediately trigger red flags for sophisticated deep-tech and venture capital investors.
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GPT-4298 words
Weak Claim 1 - Solution: While the claim that the proprietary EEG headband uses advanced ML to decode neural patterns into text with 94% accuracy is impressive, it doesn't address concerns about user comfort, ease of use, or aesthetics.
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Our Verdict
OpenRouter Fusion · Budget (Jun 2026)
OpenRouter Fusion · Budget (Jun 2026)
GPT-4
GPT-4

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

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

OpenRouter Fusion · Budget (Jun 2026)
Input
—
Output
—
GPT-4
Input
$30.00
Output
$60.00
Where to run it

2 hosts

OpenRouter Fusion · Budget (Jun 2026)

No hosts listed on OpenRouter.

GPT-42 hosts
HostInOutContextUptime
Azure AI Foundry$30.00 in·$60.00 out·8k·100% upOpenAI$30.00 in·$60.00 out·8k·100% up

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

Writing DNA

Style Comparison

Similarity
73%
OpenRouter Fusion · Budget (Jun 2026)
GPT-4
58%Vocabulary59%
22wSentence Length18w
0.13Hedging1.10
3.8Bold0.8
1.7Lists2.5
0.01Emoji0.00
0.93Headings0.00
0.17Transitions0.45
Based on 27 + 15 text responses
Research

What we learned reading every model

FAQ

Common questions

OpenRouter Fusion · Budget (Jun 2026) is developed by OpenRouter while GPT-4 is developed by OpenAI. OpenRouter Fusion · Budget (Jun 2026) has a 256K token context window vs GPT-4's 8K. You can compare their actual outputs across 22 challenges on Rival to see how they differ in practice.

It depends on your use case. OpenRouter Fusion · Budget (Jun 2026) and GPT-4 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 22 challenges so you can judge which fits your needs best.

This page shows a side-by-side comparison of OpenRouter Fusion · Budget (Jun 2026) and GPT-4 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

OpenRouter Fusion · Budget (Jun 2026) logo
OpenRouter Fusion · Budget (Jun 2026)49 outputs, specs and price
GPT-4 logo
GPT-426 outputs, specs and price
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