Grok 3
Nothing here. The model returned empty. We stared at it for a while.
Grok 3 vs GPT-5 Codex
Compare Grok 3 by xAI against GPT-5 Codex by OpenAI, tested across 28 shared challenges. Updated March 2026.
FAQ
Loading share button...
Grok 3vsGPT-5 Codex
28 fights queued
Why Grok 3?
Dead even. This one’s a coin flip.
Why GPT-5 Codex?
Leads 1 of 1 benchmarks
Stronger on SWE-bench Verified74.5% vs 63.8%
7 months newerSep 2025
Favorites
Grok 3GPT-5 Codex
12 / 28
Estimate Complexityreasoning
Tests an AI's ability to make educated estimates based on technical knowledge
Vote
2 / 28
AI Board Game Logicreasoning
Tests an AI's ability to understand game rules and strategy
Vote
3 / 28
Math Misconception Testreasoning
Tests an AI's understanding of number representation
Vote
4 / 28
Stochastic Consistency Testanalysis
Tests an AI's randomness and creativity
Vote
5 / 28
SVG Layout Challengeimage generation
Tests an AI's ability to generate vector graphics
Vote
6 / 28
Xbox Controller SVG Artimage generation
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
Vote
7 / 28
Generate a Stand-Up Routineconversation
Tests an AI's humor and creative writing ability
Vote
8 / 28
Minimalist Landing Pageweb design
Tests an AI's ability to generate a complete, working landing page
Vote
Sponsored
9 / 28
Mario Level UI Recreationweb design
Recreate an interactive, classic Mario level in a single HTML file.
Vote
10 / 28
Linear App Cloneweb design
Tests an AI's ability to replicate an existing UI with Tailwind CSS
Vote
11 / 28
Framer-Style Animationweb design
Tests an AI's ability to create smooth web animations
Vote
12 / 28
Interactive Catan Boardweb design
Tests an AI's ability to create interactive web elements
Vote
The full comparison is right here
16+ head-to-head challenges. All of them judged by real people.
5 credits on us when you join
By continuing, you agree to Rival's Terms of Service and Privacy Policy
