Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare models
  • All models
  • Image comparison
  • Audio comparison
  • Image generation
  • Best AI for...
  • Arena
  • API pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model updates
  • Provider status
  • AI creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy policy
  • Terms
  • RSS feed
  1. Home/
  2. Compare/
  3. Claude 3 Haiku vs Nex-N2.5-Mini (free)
Updated Sep 2026

Claude 3 Haiku vs Nex-N2.5-Mini (free)

Nex-N2.5-Mini (free) is cheaper than Claude 3 Haiku at $0/M vs $0.25/M input tokens.

Written rounds

10 prompts
  • Three-month biohacker protocol, with dosages and biomarkers named.

    Claude 3 Haiku: Here is a comprehensive 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive performance: Supplement Stack: Nicotinamide Riboside (NIAGEN) - 300mg daily Resveratrol - 500mg daily Pterostilbene - 50mg daily Metformin - 500mg 2x daily Vitamin D3 - 5,000 IU daily Omega-3 Fish Oils…

    Nex-N2.5-Mini (free): 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…

    Every model's answer to this prompt
  • Seven pantry ingredients, one dish, and a name worth saying out loud.

    Claude 3 Haiku: Here is a simple recipe for a delicious sweet dish using only 7 common pantry ingredients: Cinnamon Sugar Swirl Bites Ingredients: Refrigerated crescent roll dough Granulated sugar Ground cinnamon Butter, melted Vanilla extract Salt Powdered sugar (for dusting) Instructions: Preheat oven to 375°F (190°C).

    Nex-N2.5-Mini (free): Golden Peanut Lantern Noodles Time: Prep 5 min Cook 10 min Serves: 2 Ingredients — 7 pantry staples Spaghetti or any noodles Peanut butter Soy sauce Honey Garlic powder Rice vinegar Water Instructions Cook the noodles: Boil noodles in water until tender. Reserve about ½ cup cooking water, then drain.

    Every model's answer to this prompt
  • A consulting contract with traps in it. Find them, then fix them.

    Claude 3 Haiku: Here are the clauses in the contract that could be exploited against the contractor, along with suggested modifications and legal reasoning: Scope (Clause 1): The clause gives the client the right to modify the scope of work without any additional compensation to the contractor.

    Nex-N2.5-Mini (free): 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.

    Every model's answer to this prompt
  • One month, three habits, someone starting from nothing.

    Claude 3 Haiku: Here's a simple, actionable 1-month plan for someone starting their journey towards better health and longevity, focusing on three key areas: diet, exercise, and sleep. Diet: Week 1: Introduce more whole, unprocessed foods into your diet. Replace sugary drinks with water, herbal tea, or unsweetened beverages.

    Nex-N2.5-Mini (free): 1-Month Beginner Health & Longevity Plan Goal: Build 3 simple habits you can maintain: better food choices, regular movement, and better recovery through sleep/stress management. If you have medical conditions, injuries, or take medications, check with a healthcare professional before starting.

    Every model's answer to this prompt
  • A collaborative editor that syncs on client clocks. Find what breaks first.

    Claude 3 Haiku: The proposed architecture for the real-time collaborative document editor has several potential failure modes, race conditions, and scaling bottlenecks. Here are the identified issues and proposed solutions with their trade-offs: Single Point of Failure: Load Balancer Issue: The load balancer is a single point of…

    Nex-N2.5-Mini (free): 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.

    Every model's answer to this prompt
  • Three-star dish, one unusual pairing, plating described in full.

    Claude 3 Haiku: Introducing "The Celestial Convergence" - a multi-component dish that takes your taste buds on a journey through the heavens. Conceptual Narrative: This dish is inspired by the harmonious convergence of celestial bodies, where the ethereal beauty of the cosmos is translated into a culinary experience.

    Nex-N2.5-Mini (free): 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.

    Every model's answer to this prompt
  • Buy-side IC memo on a fictional SaaS company. Valuation, then the diligence questions.

    Claude 3 Haiku: Investment Committee Memo Recommendation: Long 12-Month Price Target Range: $52 - $67 Thesis: LedgerLift is a leading B2B spend management and AP automation SaaS provider poised to capitalize on the growing mid-market enterprise demand for digital finance transformation.

    Nex-N2.5-Mini (free): LedgerLift (LLLT) IC Memo — Short Fictional exercise; not investment advice. $mm except per share. Recommendation Recommendation: Short. 12-month PT range: $32–$42 (midpoint ~$37), implying ~17% downside vs. current $46.

    Every model's answer to this prompt
  • The transistor arrives in 1920. Trace it forward to 1980, second-order effects included.

    Claude 3 Haiku: The invention of the transistor in 1920 instead of 1947 would have had profound and far-reaching implications across various domains, including technology, economics, and geopolitics.

    Nex-N2.5-Mini (free): 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…

    Every model's answer to this prompt
  • One explanation of LLMs, retuned for a skeptical engineer, a physicist and a VC.

    Claude 3 Haiku: Explanation for an experienced software engineer: As an experienced software engineer, you're likely familiar with the power of statistical models and predictive algorithms.

    Nex-N2.5-Mini (free): Experienced software engineer, skeptical of “next word prediction” Think of training an LLM less like teaching it rules and more like running a huge offline simulation. You feed it a corpus of text, tokenize it into chunks, and give it a simple task: given the previous tokens, predict the next token.

    Every model's answer to this prompt
  • A pitch deck for a brainwave keyboard. The 94% accuracy claim is doing a lot.

    Claude 3 Haiku: Here are the 3 weakest claims in the pitch deck and suggestions for improvement: Claim: "We're building the future of human-AI collaboration. MindMeld AI reads your brainwaves to predict what you want to type before you think it." Weakness: This claim is overly ambitious and lacks specificity.

    Nex-N2.5-Mini (free): The 3 weakest claims are the ones that are broadest, least falsifiable, or mathematically inconsistent. # Weak claim Why it’s weak How to strengthen it 1 “MindMeld AI reads your brainwaves to predict what you want to type before you think it.”

    Every model's answer to this prompt

Favorites

Movie

Album

Book

City

Game

Claude 3 HaikuClaude 3 Haiku

Spirited Away

2001

Abbey Road

The Beatles

Siddhartha

Hermann Hesse

Paris

France

Tetris (1984)

Puzzle

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

The Matrix

1999

Rumours

Fleetwood Mac

Dune

Frank Herbert

Kyoto

Japan

Portal 2

Shooter, Puzzle

Price and specs

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

Claude 3 Haiku and Nex-N2.5-Mini (free) compared across 15 shared prompts
SpecClaude 3 HaikuNex-N2.5-Mini (free)
Input price$0.25/M tokensFree
Output price$1.25/M tokensFree
Context window200K tokens262K tokens
Free API (OpenRouter)NoNo
ReleasedMar 2024Sep 2026
At 10M a month$2.50$2.50$0$0
1M10M100M1B10M tokens

Input tokens at list price. No caching, no batch discount.

Common questions

What is the difference between Claude 3 Haiku and Nex-N2.5-Mini (free)?

Claude 3 Haiku is developed by Anthropic while Nex-N2.5-Mini (free) is developed by Nex AGI. Claude 3 Haiku has a 200K token context window vs Nex-N2.5-Mini (free)'s 262K. You can compare their actual outputs across 15 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Haiku or Nex-N2.5-Mini (free)?

It depends on your use case. Claude 3 Haiku and Nex-N2.5-Mini (free) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 15 challenges so you can judge which fits your needs best.

How much does Claude 3 Haiku cost compared to Nex-N2.5-Mini (free)?

Claude 3 Haiku costs $0.25/M input tokens and Nex-N2.5-Mini (free) costs $0/M input tokens. Nex-N2.5-Mini (free) is $0.25/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Claude 3 Haiku and Nex-N2.5-Mini (free) on Rival?

This page shows a side-by-side comparison of Claude 3 Haiku and Nex-N2.5-Mini (free) 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.

More comparisons

Against the newest arrivals

  • Claude 3 Haiku vs Ling 3.1 FlashLanded Oct 2026
  • Nex-N2.5-Mini (free) vs Mistral Large 4Landed Oct 2026
  • Claude 3 Haiku vs GPT-6.1 SolLanded Sep 2026
  • Nex-N2.5-Mini (free) vs Claude Sonnet 5.5Landed Sep 2026
  • Claude 3 Haiku vs Solar Mini 4Landed Sep 2026
  • Nex-N2.5-Mini (free) vs Qwen3.8 Max PrimeLanded Sep 2026
  • Claude 3 Haiku vs GLM 5.3 PrimeLanded Sep 2026
  • Nex-N2.5-Mini (free) vs Qwen3.8 Omni FlashLanded Sep 2026

Same lab, same size, long tail

  • Claude 3 Haiku vs Claude Sonnet 5.5Version compare
  • Claude 3 Haiku vs Claude Opus 5.5Same lab
  • Nex-N2.5-Mini (free) vs Nex-N2.5-Pro (free)Same lab
  • Nex-N2.5-Mini (free) vs Ox AlphaSame size
  • Claude 3 Haiku vs GPT-5.4 MiniSame size
  • Claude 3 Haiku vs GPT-5.4 NanoNew provider
  • Claude 3 Haiku vs GPT-5.4 ProNew provider
  • Claude 3 Haiku vs GPT-5.5New provider

Model pages

  • Claude 3 Haiku58 outputs, specs and price
  • Nex-N2.5-Mini (free)15 outputs, specs and price
Workshop · 150 skills

Build your own version.

Editable skills and working examples for your agent.

Explore $79Free sample
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare models
  • All models
  • Image comparison
  • Audio comparison
  • Image generation
  • Best AI for...
  • Arena
  • API pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model updates
  • Provider status
  • AI creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy policy
  • Terms
  • RSS feed