Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
  1. Home
  2. /
  3. Compare
  4. /
  5. Grok 4.7vsOpenAI o3
Updated Sep 2026

Grok 4.7vsOpenAI o3

Grok 4.7 is cheaper than OpenAI o3 at $1.6/M vs $10/M input tokens.

Grok 4.7 and OpenAI o3 compared across 10 shared prompts
SpecGrok 4.7OpenAI o3
Input price$1.6/M tokens$10/M tokens
Output price$4.8/M tokens$40/M tokens
Context window500K tokens—
WeightsClosedClosed
Free API (OpenRouter)NoNo
ReleasedSep 2026Apr 2025
Side by side

Same prompt, both answers

Opening lines from 2 of the 10 prompts both answered. Formatting stripped, words untouched.

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…

Grok 4.7442 words
1-month beginner plan for better health and longevity Focus on three foundations: nutrition, movement, and sleep. Aim for consistency over perfection. If you have a medical condition, check with a clinician before big changes. Week-by-week rhythm Week 1: Build awareness and one easy habit in each area.
Read the full answer
OpenAI o3336 words
1-Month Starter Plan Pick one small action from each area every week. Add the next step when the first feels easy. Food Week Do this 1 Add one fruit or veg to every meal. Drink one extra glass of water. 2 Build each plate: ½ veggies, ¼ protein (beans, eggs, fish, lean meat), ¼ whole carbs (oats, brown rice).
Read the full answer

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…

Grok 4.7129 words
Pantry Gold Honey Biscuits A sweet, buttery, slightly salty biscuit that tastes like it took more effort than it did. Ingredients (7) 2 cups all-purpose flour 1 tbsp baking powder ½ tsp salt ¼ cup sugar ½ cup butter (cold) ¾ cup milk 2 tbsp honey Time: about 10 minutes prep, 12–15 minutes bake Instructions Heat the…
Read the full answer
OpenAI o3279 words
Golden Peanut Butter Oat Bars A chewy-crisp, sweet-salted snack bar you can whip up with nothing but pantry staples. Estimated time Prep: 10 minutes Bake: 18–20 minutes Cool: 15 minutes Total: ≈45 minutes The 7 ingredients 1½ cups quick-cook or old-fashioned rolled oats ½ cup creamy peanut butter ⅓ cup honey (or maple…
Read the full answer
Our Verdict
Grok 4.7
Grok 4.7
OpenAI o3
OpenAI o3

Not enough votes to call it. On the specs, nothing separates them.

Grok 4.7 costs 8.3x less per token.

Too close to call
API pricing

Cost per 1M tokens

Grok 4.7
Input
$1.60
6.3× cheaper
Output
$4.80
8.3× cheaper
OpenAI o3
Input
$10.00
Output
$40.00

Grok 4.7 is cheaper on both: 6.3× input, 8.3× output.

Where to run it

2 hosts

Grok 4.71 host
HostInOutContextUptime
xAI$1.60 in·$4.80 out·500k·99.1% up
OpenAI o31 host
HostInOutContextUptime
OpenAI$2.00 in·$8.00 out·200k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 22 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Grok 4.7 is developed by xAI while OpenAI o3 is developed by OpenAI. You can compare their actual outputs across 10 challenges on Rival to see how they differ in practice.

It depends on your use case. Grok 4.7 and OpenAI o3 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 10 challenges so you can judge which fits your needs best.

Grok 4.7 costs $1.6/M input tokens and OpenAI o3 costs $10/M input tokens. Grok 4.7 is $8.40/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 Grok 4.7 and OpenAI o3 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.

Keep exploring

More comparisons

Against the newest arrivals

Grok 4.7 logoDeepSeek V4 Flash Vision Exp logo
Grok 4.7 vs DeepSeek V4 Flash Vision ExpLanded Sep 2026
OpenAI o3 logoSolar Pro 4 logo
OpenAI o3 vs Solar Pro 4Landed Sep 2026
Grok 4.7 logoHy3 logo
Grok 4.7 vs Hy3Landed Sep 2026
OpenAI o3 logoQwen3.7 Flash logo
OpenAI o3 vs Qwen3.7 FlashLanded Sep 2026
Grok 4.7 logoLing 3.0 Flash logo
Grok 4.7 vs Ling 3.0 FlashLanded Sep 2026
OpenAI o3 logoMuse Glimmer 30B logo
OpenAI o3 vs Muse Glimmer 30BLanded Sep 2026
Grok 4.7 logoGLM 5.3 logo
Grok 4.7 vs GLM 5.3Landed Sep 2026
OpenAI o3 logoTernary Bonsai 2 27B logo
OpenAI o3 vs Ternary Bonsai 2 27BLanded Sep 2026

Same lab, same size, long tail

Grok 4.7 logoGrok 4.6 logo
Grok 4.7 vs Grok 4.6Same lab
Grok 4.7 logoGrok 4.5 logo
Grok 4.7 vs Grok 4.5Same lab
OpenAI o3 logoOpenAI o4-mini logo
OpenAI o3 vs OpenAI o4-miniVersion compare
OpenAI o3 logoGPT-6 Astra Pro logo
OpenAI o3 vs GPT-6 Astra ProSame lab
OpenAI o3 logoLing 3.0 Flash logo
OpenAI o3 vs Ling 3.0 FlashSame size
OpenAI o3 logoLing 3.0 Flash Fin (free) logo
OpenAI o3 vs Ling 3.0 Flash Fin (free)New provider
OpenAI o3 logoLing 3.0 Flash Sante (free) logo
OpenAI o3 vs Ling 3.0 Flash Sante (free)New provider
OpenAI o3 logoLing 3.0 Flash VL (free) logo
OpenAI o3 vs Ling 3.0 Flash VL (free)New provider

Model pages

Grok 4.7 logo
Grok 4.710 outputs, specs and price
OpenAI o3 logo
OpenAI o358 outputs, specs and price
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed