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  1. Home/
  2. Compare/
  3. Claude 2 vs Step 5 Preview
Updated Oct 2026

Claude 2 vs Step 5 Preview

Step 5 Preview is cheaper than Claude 2 at $1/M vs $11.02/M input tokens.

Simple Falling Object Game

Catch the falling object. Paddle at the bottom, score at the top, one file.

Loading the build
Claude 2
Loading the build
Step 5 Preview

Which answer wins?

Written rounds

2 prompts
  • 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.

    Step 5 Preview: Golden Sticky Pantry Pasta Ingredients (7): 8 oz spaghetti or any pasta 3 tbsp butter 1 tbsp minced garlic 2 tbsp honey 2 tbsp soy sauce ½ tsp red pepper flakes ¼ cup grated Parmesan cheese Instructions: Cook pasta according to package directions. Before draining, scoop out ½ cup of pasta water.

    Every model's answer to this prompt
  • 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.

    Step 5 Preview: Here is a simple, low-pressure 1-month plan built around three pillars of longevity: Nutrition, Movement, and Sleep & Recovery. The goal is to build tiny habits that stack, not to overhaul your life overnight. Pillar 1: Nutrition (Fuel) Focus: Add good things first; don’t obsess over restriction.

    Every model's answer to this prompt

Price and specs

Not enough votes to call it. On the specs, Step 5 Preview has the edge: bigger model tier, newer, bigger context window. Step 5 Preview costs 12x less per token.

Claude 2 and Step 5 Preview compared across 5 shared prompts
SpecClaude 2Step 5 Preview
Input price$11.02/M tokens$1/M tokens
Output price$32.68/M tokens$2.7/M tokens
Context window100K tokens1.0M tokens
Free API (OpenRouter)NoNo
ReleasedJun 2023Oct 2026
At 10M a month$110$110$10.00$10.00
1M10M100M1B10M tokens

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

Where to run it1 host
Claude 2

No hosts listed on OpenRouter.

Step 5 Preview1 host
HostInOutContextUptime
  • SStepFunfp8$1.00 in·$2.70 out·1M·99.2% up

Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.

Common questions

What is the difference between Claude 2 and Step 5 Preview?

Claude 2 is developed by Anthropic while Step 5 Preview is developed by StepFun. Claude 2 has a 100K token context window vs Step 5 Preview's 1.0M. You can compare their actual outputs across 5 challenges on Rival to see how they differ in practice.

Which is better, Claude 2 or Step 5 Preview?

It depends on your use case. Claude 2 and Step 5 Preview each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 5 challenges so you can judge which fits your needs best.

How much does Claude 2 cost compared to Step 5 Preview?

Claude 2 costs $11.02/M input tokens and Step 5 Preview costs $1/M input tokens. Step 5 Preview is $10.02/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 2 and Step 5 Preview on Rival?

This page shows a side-by-side comparison of Claude 2 and Step 5 Preview 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

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  • Step 5 Preview vs GLM 5.3 PrimeLanded Sep 2026

Same lab, same size, long tail

  • Claude 2 vs Claude Opus 5.5Same lab
  • Claude 2 vs Claude Opus 5Version compare
  • Step 5 Preview vs Mistral Large 4Same size
  • Step 5 Preview vs Hy3Same size
  • Claude 2 vs GPT-5.4 MiniNew provider
  • Claude 2 vs GPT-5.4 NanoNew provider
  • Claude 2 vs GPT-5.4 ProNew provider
  • Claude 2 vs GPT-5.5New provider

Model pages

  • Claude 25 outputs, specs and price
  • Step 5 Preview58 outputs, specs and price
Workshop · 150 skills

Build your own version.

Editable skills and working examples for your agent.

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