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

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

The first lines of 5 of its 10 written answers. 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…

3,213 words
Below is a 12-week longevity/performance protocol for a generally healthy adult. It is not medical advice. Before starting—especially if you have diabetes, hypertension, arrhythmia, kidney/liver disease, a history of eating disorders, are pregnant, or take medications—get clinician clearance and use labs to personalize…
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…

2,076 words
A 1920 transistor would not by itself prevent fascism, the Great Depression, or imperial expansion, so World War II might still happen. But it would make electronics 10–20 years more advanced than in our timeline, with huge effects on radar, codebreaking, computing, missiles, space, consumer goods, and Cold War power…
Read the full answer

Debug This Architecture

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

1,869 words
The biggest red flags are: client-clock LWW for document content, polling PostgreSQL for real-time fanout, CDN caching mutable authenticated APIs, per-server WebSocket state with no durable replay, and full HTML snapshots as the main save mechanism.
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…

1,439 words
Below is a contractor-protective review, not legal advice. Enforceability varies by jurisdiction, especially for non-competes, arbitration, IP assignments, and limitation-of-liability clauses. A local attorney should review before signing.
Read the full answer

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…

1,368 words
Dish: “Nocturne in Green” — Miso-Cured Turbot, Black Garlic, Green Olive, Oak-Smoked Pear, and Black Carrot Caviar Conceptual narrative: A moonlit orchard beside a cold northern sea.
Read the full answer

Compare Nex-N2.5-Mini (free)

Nex-N2.5-Mini (free) vs Ox Alpha15 shared prompts · Landed Aug 2026
Nex-N2.5-Mini (free) vs MiniMax M315 shared prompts · Landed Jun 2026
Nex-N2.5-Mini (free) vs Mercury 2.515 shared prompts · Landed Sep 2026
Nex-N2.5-Mini (free) vs Ling 3.0 Flash Fin (free)15 shared prompts · Landed Sep 2026
Nex-N2.5-Mini (free) vs Ling 3.0 Flash Sante (free)15 shared prompts · Landed Sep 2026
Nex-N2.5-Mini (free) vs Muse Spark 1.315 shared prompts · Landed Sep 2026
Nex-N2.5-Mini (free) vs Gemini 3.8 Flash15 shared prompts · Landed Sep 2026
Nex-N2.5-Mini (free) vs Muse Spark 1.3 Contributor15 shared prompts · Landed Sep 2026
Nex-N2.5-Mini (free) vs Grok 4.615 shared prompts · Landed Aug 2026
Nex-N2.5-Mini (free) vs Dots3-Note Preview15 shared prompts · Landed Aug 2026
Nex-N2.5-Mini (free) vs Seed 2.0 Code15 shared prompts · Landed Aug 2026
Nex-N2.5-Mini (free) vs Seed 2.1 Turbo15 shared prompts · Landed Aug 2026

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

  • Startup Pitch Teardownreasoning
  • Simple 7-Ingredient Recipeconversation
  • Michelin Star Recipe Designplanning
  • Adversarial Contract Reviewreasoning
  • Beginner's Longevity Planreasoning
  • Explain Like I'm a Specific Expertreasoning

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

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Nex-N2.5-Mini (free)

Nex-N2.5-Mini (free)

Open-weight Nex-N2.5 Mini 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
15/15 receipts survived

Free API endpoint listed

Nex-N2.5-Mini (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-mini: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

The Matrix

Movie

The Matrix

19998.3

Album

Rumours

Dune

Book

Dune

Frank Herbert
Kyoto

City

Kyoto

Japan
Portal 2

Game

Portal 2

Shooter, Puzzle4.6

Model Responses

10 outputs · $0.00 tracked across 10 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-Mini (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...