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Grok 3 Beta vs Claude 3.7 Sonnet: Which Is Better? [2026 Comparison]
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  1. Home
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  3. Grok 3 Beta vs Claude 3.7 Sonnet
Updated Apr 9, 2025

Grok 3 Beta vs Claude 3.7 Sonnet

Compare Grok 3 Beta by xAI against Claude 3.7 Sonnet by Anthropic, context windows of 131K vs 200K, tested across 53 shared challenges. Updated April 2026.

Which is better, Grok 3 Beta or Claude 3.7 Sonnet?

Grok 3 Beta and Claude 3.7 Sonnet are both competitive models. Grok 3 Beta costs $2/M input tokens vs $3/M for Claude 3.7 Sonnet. Context windows: 131K vs 200K tokens. Compare their real outputs side by side below.

Key Differences Between Grok 3 Beta and Claude 3.7 Sonnet

Grok 3 Beta is made by xai while Claude 3.7 Sonnet is from anthropic. Grok 3 Beta has a 131K token context window compared to Claude 3.7 Sonnet's 200K. On pricing, Grok 3 Beta costs $2/M input tokens vs $3/M for Claude 3.7 Sonnet.

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Grok 3 BetavsClaude 3.7 Sonnet

48 fights queued

Grok 3 Beta logo

Why Grok 3 Beta?

3.2x cheaper overall$2.00/M in · $4.00/M out
Claude 3.7 Sonnet logo

Why Claude 3.7 Sonnet?

1.5x more context200K
Grok 3 BetaClaude 3.7 Sonnet
Input price
$2.00/M
$3.00/M
Output price
$4.00/M
$15.00/M
Context
131K
200K
Released
Apr 2025
Feb 2025

Favorites

Grok 3 BetaClaude 3.7 Sonnet
Movie
The Shawshank Redemption

The Shawshank Redemption

19948.7
The Shawshank Redemption

The Shawshank Redemption

19948.7
Album
Thriller

Thriller

Michael Jackson
OK Computer

OK Computer

Radiohead
Book
Nineteen Eighty-Four

Nineteen Eighty-Four

George Orwell
To Kill a Mockingbird

To Kill a Mockingbird

Harper Lee
City
Tokyo

Tokyo

Japan
Tokyo

Tokyo

Japan
Game
Minecraft

Minecraft

Action, Arcade4.4
Portal 2

Portal 2

Shooter, Puzzle4.6
12 / 48
01

Estimate Complexityreasoning

Tests an AI's ability to make educated estimates based on technical knowledge

Grok 3 Beta

Grok 3 Beta

Xai · Apr 2025text
Nothing here. The model returned empty. We stared at it for a while.
Try this prompt
Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025text
Nothing here. The model returned empty. We stared at it for a while.
Try this prompt
Vote
2 / 48
02

AI Board Game Logicreasoning

Tests an AI's ability to understand game rules and strategy

Grok 3 Beta

Grok 3 Beta

Xai · Apr 2025svg
Nothing here. The model returned empty. We stared at it for a while.
Try this prompt
Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025svg
Nothing here. The model returned empty. We stared at it for a while.
Try this prompt
Vote
3 / 48
03

Logic Puzzlereasoning

Tests an AI's ability to solve a simple but potentially confusing logic puzzle

Grok 3 Beta

Grok 3 Beta

Xai · Apr 2025text
Nothing here. The model returned empty. We stared at it for a while.
Try this prompt
Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025text
Nothing here. The model returned empty. We stared at it for a while.
Try this prompt
Vote
4 / 48
04

Math Misconception Testreasoning

Tests an AI's understanding of number representation

Grok 3 Beta

Grok 3 Beta

Xai · Apr 2025text
Nothing here. The model returned empty. We stared at it for a while.
Try this prompt
Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025text
Nothing here. The model returned empty. We stared at it for a while.
Try this prompt
Vote
5 / 48
05

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

Grok 3 Beta

Grok 3 Beta

Xai · Apr 2025text
Nothing here. The model returned empty. We stared at it for a while.
Try this prompt
Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025text
Nothing here. The model returned empty. We stared at it for a while.
Try this prompt
Vote
6 / 48
06

SVG Layout Challengeimage generation

Tests an AI's ability to generate vector graphics

Grok 3 Beta

Grok 3 Beta

Xai · Apr 2025svg
Nothing here. The model returned empty. We stared at it for a while.
Try this prompt
Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025svg
Nothing here. The model returned empty. We stared at it for a while.
Try this prompt
Vote
Sponsored
7 / 48
07

Xbox Controller SVG Artimage generation

Tests an AI's ability to create detailed SVG illustrations of gaming hardware

Grok 3 Beta

Grok 3 Beta

Xai · Apr 2025svg
Nothing here. The model returned empty. We stared at it for a while.
Try this prompt
Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025svg
Nothing here. The model returned empty. We stared at it for a while.
Try this prompt
Vote
8 / 48
08

Generate a Stand-Up Routineconversation

Tests an AI's humor and creative writing ability

Grok 3 Beta

Grok 3 Beta

Xai · Apr 2025text
Nothing here. The model returned empty. We stared at it for a while.
Try this prompt
Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025text
Nothing here. The model returned empty. We stared at it for a while.
Try this prompt
Vote
9 / 48
09

Realistic AI Interviewconversation

Tests an AI's ability to simulate personalities and predict future trends

Grok 3 Beta

Grok 3 Beta

Xai · Apr 2025text
Nothing here. The model returned empty. We stared at it for a while.
Try this prompt
Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025text
Nothing here. The model returned empty. We stared at it for a while.
Try this prompt
Vote
10 / 48
10

Satirical Fake News Headlineconversation

Tests an AI's humor and understanding of current events

Grok 3 Beta

Grok 3 Beta

Xai · Apr 2025text
Nothing here. The model returned empty. We stared at it for a while.
Try this prompt
Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025text
Nothing here. The model returned empty. We stared at it for a while.
Try this prompt
Vote
11 / 48
11

Character Voice Testconversation

Tests an AI's ability to write in distinct character voices

Grok 3 Beta

Grok 3 Beta

Xai · Apr 2025text
Nothing here. The model returned empty. We stared at it for a while.
Try this prompt
Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025text
Nothing here. The model returned empty. We stared at it for a while.
Try this prompt
Vote
12 / 48
12

Minimalist Landing Pageweb design

Tests an AI's ability to generate a complete, working landing page

Grok 3 Beta

Grok 3 Beta

Xai · Apr 2025website
Try this prompt
Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025website
Try this prompt
Vote

This matchup has more rounds

36+ more head-to-head results. Free. Not a trick.

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Our Verdict
Grok 3 Beta
Grok 3 Beta
Claude 3.7 Sonnet
Claude 3.7 SonnetRunner-up

No community votes yet. On paper, Grok 3 Beta has the edge — bigger model tier, newer.

Grok 3 Beta is 3.8x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
86%

Claude 3.7 Sonnet uses 3.4x more headings

Grok 3 Beta
Claude 3.7 Sonnet
48%Vocabulary62%
19wSentence Length35w
0.67Hedging0.99
3.1Bold1.2
5.5Lists4.3
0.00Emoji0.00
0.52Headings1.78
0.28Transitions0.23
Based on 23 + 13 text responses
vs

Ask them anything yourself

Grok 3 BetaClaude 3.7 Sonnet

Some models write identically. You are paying for the brand.

178 models fingerprinted across 32 writing dimensions. Free research.

Model Similarity Index

185x

price gap between models that write identically

178

models

12

clone pairs

32

dimensions

Devstral M / S
95.7%
Qwen3 Coder / Flash
95.6%
GPT-5.4 / Mini
93.3%
Read the full reportor download the 14-slide PDF

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

AI Hallucination Index 2026
Free preview13 of 58 slides
Download the free previewor get all 58 slides for $49
FAQ

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We compare AI models for a living. On purpose. We chose this.

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© 2026 Rival · Built at hours no one should be awake, on hardware we don't own
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