Nex-N2.5-Pro (free) is cheaper than Claude 2 at $0/M vs $11.02/M input tokens.
Seven pantry ingredients, one dish, and a name worth saying out loud.
Claude 2: Here is a 7-ingredient recipe for a sweet dish I'll call "Cinnamon Apple Surprise": Cinnamon Apple Surprise Ingredients: 3 apples, cored and sliced 1⁄4 cup brown sugar 1⁄4 cup all-purpose flour 1 tsp ground cinnamon 1⁄4 tsp nutmeg 2 tbsp butter, melted 1 refrigerated pie crust Instructions: Preheat oven to 375°F.
Nex-N2.5-Pro (free): 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.
One month, three habits, someone starting from nothing.
Claude 2: Here is a 1-month beginner health and longevity plan focused on diet, exercise, and sleep: Diet: Eliminate sugary drinks and limit sweets. Replace with water and fruits. Eat more veggies. Aim for 1-2 cups with each meal. Focus on dark leafy greens, broccoli, carrots. Increase fiber intake.
Nex-N2.5-Pro (free): 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.
| Spec | ||
|---|---|---|
| Input price | $11.02/M tokens | Free |
| Output price | $32.68/M tokens | Free |
| Context window | 100K tokens | 262K tokens |
| Free API (OpenRouter) | No | No |
| Released | Jun 2023 | Sep 2026 |
| At 10M a month | $110 | $0 |
Input tokens at list price. No caching, no batch discount.
Claude 2 is developed by Anthropic while Nex-N2.5-Pro (free) is developed by Nex AGI. Claude 2 has a 100K token context window vs Nex-N2.5-Pro (free)'s 262K. You can compare their actual outputs across 2 challenges on Rival to see how they differ in practice.
It depends on your use case. Claude 2 and Nex-N2.5-Pro (free) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 2 challenges so you can judge which fits your needs best.
Claude 2 costs $11.02/M input tokens and Nex-N2.5-Pro (free) costs $0/M input tokens. Nex-N2.5-Pro (free) is $11.02/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 Claude 2 and Nex-N2.5-Pro (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.