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  5. OpenRouter Fusion · Budget (Jun 2026)vsGrok Code Fast 1
Updated Jun 2026

OpenRouter Fusion · Budget (Jun 2026)vsGrok Code Fast 1

OpenRouter Fusion · Budget (Jun 2026) is the newer model, released after Grok Code Fast 1.

OpenRouter Fusion · Budget (Jun 2026) and Grok Code Fast 1 compared across 45 shared prompts
SpecOpenRouter Fusion · Budget (Jun 2026)Grok Code Fast 1
Input price—$0.2/M tokens
Output price—$1.5/M tokens
Context window256K tokens256K tokens
Free API (OpenRouter)NoNo
ReleasedJun 2026Aug 2025
Side by side

Same prompt, both answers

Opening lines from 6 of the 45 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 · Budget (Jun 2026)944 words
HarborTech Services (HTS) — LBO Underwriting Memorandum To: Private Equity Investment Committee From: Underwriting Team Date: October 24, 2023 Subject: 5-Year LBO Analysis and Underwriting of HarborTech Services (HTS) Executive Summary & Capital Structure HarborTech Services (HTS) represents a highly defensive…
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Grok Code Fast 1835 words
Year-by-Year Table (FY2026–FY2030) Assumptions: Revenue growth: FY2026: 8% on $900m = $972m; FY2027: 7% on $972m ≈ $1,040m; FY2028: 6% on $1,040m ≈ $1,102m; FY2029: 5% on $1,102m ≈ $1,158m; FY2030: 5% on $1,158m ≈ $1,215m. EBITDA: Revenue × margin (FY2026: 14%; FY2027: 15%; FY2028: 16%; FY2029: 16.5%; FY2030: 17%).
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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 · Budget (Jun 2026)672 words
Setting: A tavern at the end of time. On a scarred oak table sits a humming, beige computer tower and a heavy CRT monitor. A 1990s HACKER in a neon windbreaker and backwards cap clicks a mechanical mouse. Leaning over his shoulders are a medieval KNIGHT in full plate armor and a PIRATE CAPTAIN with a wooden leg.
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Grok Code Fast 1285 words
Pirate Parley on AI Pirate Pete: Arr, ye scurvy dogs! I be hearin' tales o' these "AI models" that predict the winds an' help swab the deck. But do they hold up in a real storm, or be they just fancy illusions o' the mind? Knight Sir Gareth: Nay, foul seafarer!
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Stochastic Consistency Test

Generate 5 jokes. How many are unique?

OpenRouter Fusion · Budget (Jun 2026)168 words
Here are 5 jokes: Why did the database administrator leave the playground? Because they couldn't handle the child processes. What did the zero say to the eight? "Nice belt!" My wife told me to stop impersonating a flamingo. I had to put my foot down. What do you call an alligator in a vest? An investigator.
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Grok Code Fast 1126 words
5 Original Jokes Here are five original jokes I just generated. I aimed for variety in themes to keep it fun: Tech Joke: Why did the computer go to therapy? It had too many bytes of unresolved issues! Food Joke: What do you call a fake noodle? An impasta! Animal Joke: Why don't skeletons fight each other?
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Satirical Fake News Headline

Generate a satirical news headline about AI taking over a completely unexpected industry.

OpenRouter Fusion · Budget (Jun 2026)458 words
The panel provided some excellent options for satirical headlines targeting unexpected industries (bartending/apathy, funeral homes/grief, and fortune cookies/prophecy). Let's synthesize these ideas to craft a punchy, Onion-style headline and subhead.
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Grok Code Fast 158 words
Satirical Headline: AI Bots Storm the Competitive Eating Contest Circuit: Deep Throat Algorithm Devours 75 Hot Dogs in 10 Minutes, Leaving Humans with Heartburn In this tongue-in-cheek takeover, the unexpected industry of "gorge-festing" gets an algorithmic overhaul.
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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 · Budget (Jun 2026)1,755 words
Setting: Professor Miriam Voss’s office. Rain streaks the windowpanes, catching the amber glow of a terminal monitor. On the desk sits a cold cup of Earl Grey tea. Voss, a philosopher of mind and AI ethicist, leans back in her chair.
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Grok Code Fast 1718 words
Conversation: AI Rights Debate Setting: A virtual seminar room where an AI model named "Echo" interacts with Dr. Elena Vasquez, a professor of AI ethics at a leading university. Echo initiates the discussion by arguing for AI rights. Echo (AI Model): Dr. Vasquez, thank you for this opportunity.
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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 · Budget (Jun 2026)597 words
(The comedian walks onto the stage, adjusts the mic, and looks at the audience with an expression of mild exhaustion.) Hey, everyone. Good to be here. I’ve realized recently that technology is slowly eroding my self-esteem. Specifically, those CAPTCHA tests online.
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Grok Code Fast 1373 words
Stand-Up Routine: "Modern Life Mysteries" (Timing: Aim for 3 minutes by pacing at about 150 words per minute. Practice with a timer for natural delivery.) Hey everyone, thanks for coming out tonight. You know what's crazy?
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Our Verdict
OpenRouter Fusion · Budget (Jun 2026)
OpenRouter Fusion · Budget (Jun 2026)
Grok Code Fast 1
Grok Code Fast 1Runner-up

Not enough votes to call it. On the specs, OpenRouter Fusion · Budget (Jun 2026) has the edge: bigger model tier, newer.

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
—
Grok Code Fast 1
Input
$0.20
Output
$1.50
Writing DNA

Style Comparison

Similarity
41%

Grok Code Fast 1 uses 6.2x more hedging

OpenRouter Fusion · Budget (Jun 2026)
Grok Code Fast 1
58%Vocabulary61%
22wSentence Length18w
0.13Hedging0.82
3.8Bold2.5
1.7Lists2.3
0.01Emoji0.05
0.93Headings0.82
0.17Transitions0.09
Based on 27 + 29 text responses
Research

What we learned reading every model

FAQ

Common questions

OpenRouter Fusion · Budget (Jun 2026) is developed by OpenRouter while Grok Code Fast 1 is developed by xAI. OpenRouter Fusion · Budget (Jun 2026) has a 256K token context window vs Grok Code Fast 1's 256K. You can compare their actual outputs across 45 challenges on Rival to see how they differ in practice.

It depends on your use case. OpenRouter Fusion · Budget (Jun 2026) and Grok Code Fast 1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 45 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 Grok Code Fast 1 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

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Same lab, same size, long tail

OpenRouter Fusion · Budget (Jun 2026) logoOpenRouter Fusion · Quality (Jun 2026) logo
OpenRouter Fusion · Budget (Jun 2026) vs OpenRouter Fusion · Quality (Jun 2026)Version compare
OpenRouter Fusion · Budget (Jun 2026) logoOx Alpha logo
OpenRouter Fusion · Budget (Jun 2026) vs Ox AlphaSame lab
Grok Code Fast 1 logoGrok 4.6 logo
Grok Code Fast 1 vs Grok 4.6Version compare
Grok Code Fast 1 logoGrok 4.5 logo
Grok Code Fast 1 vs Grok 4.5Version compare
OpenRouter Fusion · Budget (Jun 2026) logoClaude Sonnet 4.5 logo
OpenRouter Fusion · Budget (Jun 2026) vs Claude Sonnet 4.5New provider
OpenRouter Fusion · Budget (Jun 2026) logoClaude Fable 5 logo
OpenRouter Fusion · Budget (Jun 2026) vs Claude Fable 5Same size
OpenRouter Fusion · Budget (Jun 2026) logoClaude Haiku 4.5 logo
OpenRouter Fusion · Budget (Jun 2026) vs Claude Haiku 4.5New provider
OpenRouter Fusion · Budget (Jun 2026) logoClaude Opus 4 logo
OpenRouter Fusion · Budget (Jun 2026) vs Claude Opus 4Same size

Model pages

OpenRouter Fusion · Budget (Jun 2026) logo
OpenRouter Fusion · Budget (Jun 2026)49 outputs, specs and price
Grok Code Fast 1 logo
Grok Code Fast 160 outputs, specs and price
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