Grok 3 Beta
Nothing here. The model returned empty. We stared at it for a while.
Grok 3 Beta vs Claude Opus 4
Compare Grok 3 Beta by xAI against Claude Opus 4 by Anthropic, in 1 community votes, grok 3 beta wins 100% of head-to-head duels, context windows of 131K vs 200K, tested across 34 shared challenges. Updated April 2026.
Which is better, Grok 3 Beta or Claude Opus 4?
Grok 3 Beta is the better choice overall, winning 100% of 1 blind community votes on Rival. Grok 3 Beta costs $2/M input tokens vs $15/M for Claude Opus 4. Context windows: 131K vs 200K tokens. Compare their real outputs side by side below.
Key Differences Between Grok 3 Beta and Claude Opus 4
Grok 3 Beta is made by xai while Claude Opus 4 is from anthropic. Grok 3 Beta has a 131K token context window compared to Claude Opus 4's 200K. On pricing, Grok 3 Beta costs $2/M input tokens vs $15/M for Claude Opus 4. In community voting, In 1 community votes, Grok 3 Beta wins 100% of head-to-head duels.
In 1 community votes, Grok 3 Beta wins 100% of head-to-head duels. Based on blind community voting from the Rival open dataset of 1+ human preference judgments for this pair.
Loading share button...
Grok 3 BetavsClaude Opus 4
34 fights queued
Why Grok 3 Beta?
15.9x cheaper overall$2.00/M in · $4.00/M out
Why Claude Opus 4?
1.5x more context200K
Grok 3 BetaClaude Opus 4
Input price
$2.00/M
$15.00/M
Output price
$4.00/M
$75.00/M
Context
131K
200K
Released
Apr 2025
May 2025
Favorites
Grok 3 BetaClaude Opus 4
12 / 34
Logic Puzzlereasoning
Tests an AI's ability to solve a simple but potentially confusing logic puzzle
Vote
2 / 34
Stochastic Consistency Testanalysis
Tests an AI's randomness and creativity
Vote
3 / 34
SVG Layout Challengeimage generation
Tests an AI's ability to generate vector graphics
Vote
4 / 34
Xbox Controller SVG Artimage generation
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
Vote
5 / 34
Generate a Stand-Up Routineconversation
Tests an AI's humor and creative writing ability
Vote
6 / 34
Pokémon Battle UI Recreationweb design
Recreate an interactive, nostalgic Pokémon battle UI in a single HTML file.
Vote
Sponsored
7 / 34
Three.js 3D Gameweb design
Create a 3D building and driving game in a single self-contained HTML file using Three.js. Tests an AI's ability to combine 3D graphics, game logic, and UI interactions on the web.
Vote
8 / 34
Mario Level UI Recreationweb design
Recreate an interactive, classic Mario level in a single HTML file.
Vote
9 / 34
Linear App Cloneweb design
Tests an AI's ability to replicate an existing UI with Tailwind CSS
Vote
10 / 34
Interactive Catan Boardweb design
Tests an AI's ability to create interactive web elements
Vote
11 / 34
World Map SVGimage generation
Tests an AI's ability to create a detailed world map in SVG format
Vote
12 / 34
Random Tailwind Webappweb design
Generate a single-page, self-contained HTML webapp using Tailwind CSS for a randomly chosen category/industry/niche.
Vote
This matchup has more rounds
22+ more head-to-head results. Free. Not a trick.
Free account. No card required. By continuing, you agree to Rival's Terms and Privacy Policy
Our Verdict
Grok 3 BetaWinner
Claude Opus 4Runner-up
Pick Grok 3 Beta. In 1 blind votes, Grok 3 Beta wins 100% of the time. That's not luck.
Grok 3 Beta is 19x cheaper per token — worth considering if cost matters.
Clear winner
Writing DNA
Style Comparison
Similarity
86%
Claude Opus 4 uses 11.2x more emoji
Grok 3 Beta
Claude Opus 4
48%Vocabulary64%
19wSentence Length62w
0.67Hedging0.52
3.1Bold4.4
5.5Lists9.1
0.00Emoji0.11
0.52Headings1.87
0.28Transitions0.27
Based on 23 + 16 text responses
vsAsk them anything yourself
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%
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
Free preview13 of 58 slides
FAQ
Common questions
