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  5. Claude 2vsGrok 4
Updated Jul 2025

Claude 2vsGrok 4

Grok 4 is cheaper than Claude 2 at $3/M vs $11.02/M input tokens.

Claude 2 and Grok 4 compared across 5 shared prompts
SpecClaude 2Grok 4
Input price$11.02/M tokens$3/M tokens
Output price$32.68/M tokens$15/M tokens
Context window100K tokens256K tokens
ParametersNot disclosedNot disclosed
Free API (OpenRouter)NoNo
ReleasedJun 2023Jul 2025
Side by side

Same prompt, both answers

Opening lines from 2 of the 5 prompts both answered. Formatting stripped, words untouched.

Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

Claude 2146 words
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.
Read the full answer
Grok 4234 words
Recipe: Pantry Pirate's Tomato Tango This is a simple savory pasta dish that's hearty, flavorful, and perfect for a quick weeknight meal. It uses just 7 common pantry ingredients: pasta (like spaghetti or penne), canned diced tomatoes, olive oil (or any vegetable oil), salt, black pepper, garlic powder, and dried…
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Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

Claude 2257 words
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.
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Grok 4877 words
Below is a simple, actionable 1-month plan designed for beginners starting their journey toward better health and longevity. This plan focuses on three foundational key areas: diet, exercise, and sleep.
Read the full answer
Our Verdict
Grok 4
Grok 4
Claude 2
Claude 2Runner-up

Not enough votes to call it. On the specs, Grok 4 has the edge: newer, bigger context window.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Claude 2
Input
$11.02
Output
$32.68
Grok 4
Input
$3.00
3.7× cheaper
Output
$15.00
2.2× cheaper

Grok 4 is cheaper on both: 3.7× input, 2.2× output.

Writing DNA

Style Comparison

Similarity
50%

Grok 4 uses 65.5x more hedging

Claude 2
Grok 4
65%Vocabulary56%
13wSentence Length18w
0.00Hedging0.65
0.0Bold2.4
10.2Lists2.4
0.00Emoji0.60
0.00Headings0.73
0.00Transitions0.06
Based on 2 + 26 text responses
Research

What we learned reading every model

FAQ

Common questions

Claude 2 is developed by Anthropic while Grok 4 is developed by xAI. Claude 2 has a 100K token context window vs Grok 4's 256K. You can compare their actual outputs across 5 challenges on Rival to see how they differ in practice.

It depends on your use case. Claude 2 and Grok 4 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.

Claude 2 costs $11.02/M input tokens and Grok 4 costs $3/M input tokens. Grok 4 is $8.02/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 Grok 4 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.

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Model pages

Claude 2 logo
Claude 25 outputs, specs and price
Grok 4 logo
Grok 457 outputs, specs and price
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