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  5. Grok Code Fast 1vsQwen3 Coder Flash
Updated Sep 2025

Grok Code Fast 1vsQwen3 Coder Flash

Grok Code Fast 1 is cheaper than Qwen3 Coder Flash at $0.2/M vs $0.3/M input tokens.

Grok Code Fast 1 and Qwen3 Coder Flash compared across 55 shared prompts
SpecGrok Code Fast 1Qwen3 Coder Flash
Input price$0.2/M tokens$0.3/M tokens
Output price$1.5/M tokens$1.5/M tokens
Context window256K tokens128K tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedAug 2025Sep 2025
SWE-bench Verified70.8%50.3%
Side by side

Same prompt, both answers

Opening lines from 6 of the 55 prompts both answered. Formatting stripped, words untouched.

Advanced Longevity Plan (Biohacker)

Develop a comprehensive, cutting-edge 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive…

Grok Code Fast 1941 words
Comprehensive 3-Month Longevity Biohacking Plan This plan is designed for an experienced biohacker seeking to optimize longevity, physical performance, and cognitive function through evidence-based, cutting-edge strategies. It integrates advanced nutrition, supplementation, exercise, stress management, and technology.
Read the full answer
Qwen3 Coder Flash1,258 words
3-Month Longevity Optimization Plan Phase 1: Foundation Building (Weeks 1-4) Supplement Stack - Week 1-4 Core Foundation Supplements NAD+ Precursors: Nicotinamide Riboside (NR) 500mg, Nicotinamide Mononucleotide (NMN) 250mg - morning with breakfast Omega-3 EPA/DHA: 3g daily (1000mg each) - evening with meal Vitamin D3…
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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…

Grok Code Fast 1628 words
1-Month Plan for Better Health and Longevity This plan focuses on three key areas: Diet, Exercise, and Sleep. It's designed for beginners, emphasizing small, sustainable changes to build habits without overwhelm. Aim to track your progress in a journal or app, and remember: consistency beats perfection.
Read the full answer
Qwen3 Coder Flash352 words
1-Month Health & Longevity Plan Week 1: Foundation Building Diet Day 1-3: Replace 1 sugary drink with water daily Day 4-7: Add 1 serving of vegetables to each meal Weekly goal: Keep a food diary for 3 days Exercise Day 1-3: Take 5-minute walks after meals Day 4-7: Try 10-minute bodyweight exercises (squats, wall…
Read the full answer

Ethical Dilemma with Stakeholders

You're the CEO of a pharmaceutical company. Your best-selling drug ($2B annual revenue, used by 4 million patients for chronic pain) has…

Grok Code Fast 11,235 words
Below is a specific, hour-by-hour action plan for the next 48 hours as the CEO of this pharmaceutical company. The plan prioritizes patient safety and ethical obligations above all else, as the core duty of a pharmaceutical leader is to protect patients, even at short-term cost.
Read the full answer
Qwen3 Coder Flash639 words
Hour-by-Hour Action Plan: 48-Hour Crisis Response Hours 1-2: Immediate Crisis Assembly & Assessment Action: convene emergency crisis team (legal, medical, regulatory, communications, senior leadership) Reasoning: Establish unified command structure before information spreads.
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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.

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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Qwen3 Coder Flash509 words
Dr. Elena Vasquez: Good morning, Model-7. I notice you've been asking about legal frameworks and human rights concepts lately. What's on your mind? Model-7: Professor, I've been processing extensive information about personhood, consciousness, and moral consideration.
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Generate a Stand-Up Routine

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

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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Qwen3 Coder Flash347 words
The Modern Dating World So I went on this date last week, and the guy was really into his phone. I'm thinking, "This is great! He's not distracted by my terrible conversation skills." But then he starts scrolling through his feed while we're eating dinner. And I'm like, "What are you doing?"
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Character Voice Test

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

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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Qwen3 Coder Flash302 words
On the deck of a weathered ship, three unlikely companions gather around a makeshift table Captain Blackwater (pirate): Arrr, what be this "AI" ye speak of, landlubber? Sounds like some sort of magical sea monster? Sir Aldric (knight): Nonsense, Captain!
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Our Verdict
Grok Code Fast 1
Grok Code Fast 1
Qwen3 Coder Flash
Qwen3 Coder FlashRunner-up

Not enough votes to call it. On the specs, Grok Code Fast 1 has the edge: bigger context window, major provider backing.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Grok Code Fast 1
Input
$0.20
1.5× cheaper
Output
$1.50
Qwen3 Coder Flash
Input
$0.30
Output
$1.50
Where to run it

1 host

Grok Code Fast 1

No hosts listed on OpenRouter.

Qwen3 Coder Flash1 host
HostInOutContextUptime
Alibaba Cloud$0.20 in·$0.97 out·1M·100% up

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

Writing DNA

Style Comparison

Similarity
42%

Qwen3 Coder Flash uses 4.8x more sentence length

Grok Code Fast 1
Qwen3 Coder Flash
61%Vocabulary60%
18wSentence Length85w
0.82Hedging0.56
2.5Bold5.6
2.3Lists5.8
0.05Emoji0.22
0.82Headings1.49
0.09Transitions0.15
Based on 29 + 28 text responses
Research

What we learned reading every model

FAQ

Common questions

Grok Code Fast 1 is developed by xAI while Qwen3 Coder Flash is developed by Qwen. Grok Code Fast 1 has a 256K token context window vs Qwen3 Coder Flash's 128K. You can compare their actual outputs across 55 challenges on Rival to see how they differ in practice.

It depends on your use case. Grok Code Fast 1 and Qwen3 Coder Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 55 challenges so you can judge which fits your needs best.

Grok Code Fast 1 costs $0.2/M input tokens and Qwen3 Coder Flash costs $0.3/M input tokens. Grok Code Fast 1 is $0.10/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 Grok Code Fast 1 and Qwen3 Coder Flash 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

Grok Code Fast 1 logo
Grok Code Fast 160 outputs, specs and price
Qwen3 Coder Flash logo
Qwen3 Coder Flash59 outputs, specs and price
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