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  1. Home
  2. Models
  3. Nex-N2.5-Pro (free)
Updated Sep 22, 2026
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Openings

How Nex-N2.5-Pro (free) starts an answer

The first lines of 5 of its 10 written answers. Formatting stripped, words untouched.

Debug This Architecture

Here's the architecture for a real-time collaborative document editor (like Google Docs): **System Overview:** - Frontend: React SPA with…

3,042 words
Executive summary The biggest correctness risks are: Client-clock last-write-wins is unsafe: clock skew, malicious clients, ties, and out-of-order delivery can silently lose edits.
Read the full answer

Historical Counterfactual Analysis

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

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.
Read the full answer

Adversarial Contract Review

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

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.
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…

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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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…

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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Compare Nex-N2.5-Pro (free)

Nex-N2.5-Pro (free) vs Ox Alpha14 shared prompts · Landed Aug 2026
Nex-N2.5-Pro (free) vs MiniMax M314 shared prompts · Landed Jun 2026
Nex-N2.5-Pro (free) vs Mercury 2.514 shared prompts · Landed Sep 2026
Nex-N2.5-Pro (free) vs Ling 3.0 Flash Fin (free)14 shared prompts · Landed Sep 2026
Nex-N2.5-Pro (free) vs Ling 3.0 Flash Sante (free)14 shared prompts · Landed Sep 2026
Nex-N2.5-Pro (free) vs Ling 3.0 Flash VL (free)14 shared prompts · Landed Sep 2026
Nex-N2.5-Pro (free) vs Muse Spark 1.314 shared prompts · Landed Sep 2026
Nex-N2.5-Pro (free) vs Gemini 3.8 Flash14 shared prompts · Landed Sep 2026
Nex-N2.5-Pro (free) vs Muse Spark 1.3 Contributor14 shared prompts · Landed Sep 2026
Nex-N2.5-Pro (free) vs Grok 4.614 shared prompts · Landed Aug 2026
Nex-N2.5-Pro (free) vs Dots3-Note Preview14 shared prompts · Landed Aug 2026
Nex-N2.5-Pro (free) vs Seed 2.0 Code14 shared prompts · Landed Aug 2026

Prompts Nex-N2.5-Pro (free) answered

  • Adversarial Contract Reviewreasoning
  • Beginner's Longevity Planreasoning
  • Ethical Dilemma with Stakeholdersreasoning
  • Explain Like I'm a Specific Expertreasoning
  • Startup Pitch Teardownreasoning
  • Simple 7-Ingredient Recipeconversation

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Nex-N2.5-Pro (free) is good. These would like a word anyway.

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Nex-N2.5-Pro (free)

Nex-N2.5-Pro (free)

Open-weight Nex-N2.5 Pro model for agentic coding with visual feedback, repository exploration, and multi-file implementation. Accepts text and images with a 262K context window on its free OpenRouter endpoint.

OpenRouterDocs
Provider
Nex AGI
Released
2026-09-08
Size
LARGE
Free API (OpenRouter)
Yes, 1 provider (via OpenRouter)
Per 1M tokens
$0.00 in · $0.00 out
Rival’s tab
$0.00
14/14 receipts survived

Free API endpoint listed

Nex-N2.5-Pro (free) has a free endpoint in Rival’s OpenRouter listings. Free requests have usage limits and depend on provider availability.

Provider data: 22 Sep 2026 · OpenRouter usage limits

View free endpoint↗
Get API accessProvider and language code samples
Provider
fromimport openai  OpenAI

client = OpenAI(
"https://openrouter.ai/api/v1"    base_url=,
"$OPENROUTER_API_KEY"    api_key=,
)

response = client.chat.completions.create(
"nex-agi/nex-n2.5-pro:free"    model=,
"role""user""content""Hello!"    messages=[{: , : }],
)
print(response.choices[0].message.content)

Set OPENROUTER_API_KEY with your OpenRouter API key from openrouter.ai/keys.

Favorites

Blade Runner 2049

Movie

Blade Runner 2049

20177.6
Kind of Blue

Album

Kind of Blue

Miles Davis
Мастер и Маргарита

Book

Мастер и Маргарита

Михаил Афанасьевич Булгаков
Tokyo

City

Tokyo

Japan
The Legend of Zelda: Breath of the Wild

Game

The Legend of Zelda: Breath of the Wild

Adventure, Action4.5

Model Responses

9 outputs · $0.00 tracked across 9 receipts

Workshop · 146 skills

A workflow for your next project.

Writing and research skills with working examples.

Explore $79Free sample

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Nex-N2.5-Pro (free) vs Ox Alpha

Real outputs compared side by side

RANKINGS

Best AI for Creative Writing

A stand-up set with puns banned, a manifesto against CAPTCHA, an interview wi...