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  5. Nex-N2.5-Pro (free)vsQwen3 Coder Flash
Updated Sep 2026

Nex-N2.5-Pro (free)vsQwen3 Coder Flash

Nex-N2.5-Pro (free) is cheaper than Qwen3 Coder Flash at $0/M vs $0.3/M input tokens.

Nex-N2.5-Pro (free) and Qwen3 Coder Flash compared across 14 shared prompts
SpecNex-N2.5-Pro (free)Qwen3 Coder Flash
Input priceFree$0.3/M tokens
Output priceFree$1.5/M tokens
Context window262K tokens128K tokens
Weights—Closed
Free API (OpenRouter)Yes (1 provider)No
ReleasedSep 2026Sep 2025
Side by side

Same prompt, both answers

Opening lines from 6 of the 14 prompts both answered. Formatting stripped, words untouched.

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…

Nex-N2.5-Pro (free)119 words
Pantry Moon Bars A sweet, chewy peanut butter–chocolate oat treat made with only 7 pantry staples. Ingredients Rolled oats Creamy peanut butter Honey Chocolate chips Vanilla extract Ground cinnamon Salt Instructions Heat oven to 350°F / 175°C. Line an 8-inch square pan with parchment paper.
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Qwen3 Coder Flash132 words
Garlic Herb Butter Pasta Ingredients: 1 lb pasta (spaghetti or penne) 4 cloves garlic, minced 1/2 cup butter 1/4 cup grated Parmesan cheese 2 tbsp olive oil Salt and pepper to taste Fresh parsley, chopped (for garnish) Instructions: Cook pasta according to package directions; reserve 1/2 cup pasta water before draining…
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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…

Nex-N2.5-Pro (free)2,359 words
As CEO, I would not wait six months and I would not let the board delay disclosure while patients remain exposed to an unreported serious risk. I would treat this as a patient-safety, regulatory, legal, and trust crisis—not merely a financial-risk issue. My guiding decisions would be: Patient safety comes first.
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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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Adversarial Contract Review

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

Nex-N2.5-Pro (free)2,451 words
Below is a general contract-risk review, not legal advice. Enforceability depends heavily on jurisdiction, contractor classification, and the exact facts. Also, even if a clause might be unenforceable, relying on that is risky because litigation/arbitration is expensive.
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Qwen3 Coder Flash673 words
Here are the problematic clauses and suggested modifications for the contractor: Scope Modification (Clause 1) Problem: Client can modify scope "at any time without additional compensation" Modification: "Client may modify the scope with prior written notice and 30 days' advance notice.
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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…

Nex-N2.5-Pro (free)1,665 words
Dish: “Tidewater Orchard” Langoustine · Mirabelle Plum · Juniper · Kombu · Rye A tasting-menu course built around an unusual pairing: sweet cold-water langoustine with mirabelle plum, bridged by kombu umami, juniper resin, green tomato acidity, and toasted rye bitterness.
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Qwen3 Coder Flash916 words
"The Eternal Garden" A contemporary interpretation of time, memory, and transformation Conceptual Narrative This dish explores the passage of time through the metaphor of a garden that exists in multiple temporal states simultaneously.
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Historical Counterfactual Analysis

If the transistor had been invented in 1920 instead of 1947, trace the likely technological, economic, and geopolitical implications through…

Nex-N2.5-Pro (free)2,726 words
Starting assumption Assume the 1920 “transistor” is a usable but crude solid-state amplifier/switch: reproducible enough for telecom and radio, but noisy, low-power, temperature-sensitive, and expensive at first.
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Qwen3 Coder Flash888 words
The Transistor Revolution of 1920: A Timeline of Consequences World War II: The Quantum Shift Military Advantage and Strategic Miscalculations If transistors existed in 1920, the Axis powers would have gained an immediate technological edge in communications, radar, and cryptography.
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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…

Nex-N2.5-Pro (free)518 words
1-Month Beginner Health & Longevity Plan Goal: Build simple habits you can keep—not perfection. Focus on 3 areas: diet, exercise, and sleep/stress. Diet: Eat for steady energy Week 1: Add before you subtract Add 1 fruit or vegetable to 2 meals per day. Drink a glass of water when you wake up and before meals.
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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…
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Our Verdict
Nex-N2.5-Pro (free)
Nex-N2.5-Pro (free)
Qwen3 Coder Flash
Qwen3 Coder FlashRunner-up

Not enough votes to call it. On the specs, Nex-N2.5-Pro (free) has the edge: bigger model tier, newer, bigger context window.

Slight edge
API pricing

Cost per 1M tokens

Nex-N2.5-Pro (free)
Input
$0.000
Output
$0.000
Qwen3 Coder Flash
Input
$0.30
Output
$1.50
Where to run it

2 hosts

Nex-N2.5-Pro (free)1 host
HostInOutContextUptime
NNex AGIfp8$0 in·$0 out·262k·99.4% up
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 22 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Nex-N2.5-Pro (free) is developed by Nex AGI while Qwen3 Coder Flash is developed by Qwen. Nex-N2.5-Pro (free) has a 262K token context window vs Qwen3 Coder Flash's 128K. You can compare their actual outputs across 14 challenges on Rival to see how they differ in practice.

It depends on your use case. Nex-N2.5-Pro (free) and Qwen3 Coder Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 14 challenges so you can judge which fits your needs best.

Nex-N2.5-Pro (free) costs $0/M input tokens and Qwen3 Coder Flash costs $0.3/M input tokens. Nex-N2.5-Pro (free) is $0.30/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 Nex-N2.5-Pro (free) 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

Nex-N2.5-Pro (free) logo
Nex-N2.5-Pro (free)14 outputs, specs and price
Qwen3 Coder Flash logo
Qwen3 Coder Flash59 outputs, specs and price
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