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  1. Home
  2. /AI Language Models
  3. /OpenAI GPT-4o vs xAI Grok 2

OpenAI GPT-4o vs xAI Grok 2

GAGNANT
OpenAI GPT-4o

OpenAI

GPT-4o

6.7
6.7/10
Try Free →API Docs →
xAI Grok 2

xAI

Grok 2

6.3
6.3/10
Try Free →API Docs →

AI Matrix

Powered by Claude AI

OpenAI GPT-4o narrowly beats the xAI Grok 2 in the ai language models category, particularly in design, scoring 6.7/10 vs 6.3/10. If you want the better overall performer, OpenAI GPT-4o is the clear pick.

Reviewed by VersusMatrix Editorial Team|Our methodology

4 Reasons Why OpenAI GPT-4o Is Better

  • 1.Higher camera score: 7.6 vs 7.1
  • 2.Better display rating: 3.6 vs 2.9
  • 3.Higher design rating: 6.1 vs 5.2
  • 4.Higher overall score: 6.7/10 vs 6.3/10

Comparaison des caractéristiques

Cost Efficiency8.8 / 9.0Benchmark (MMLU)8.2 / 7.9Arena ELO6.1 / 5.2Context Window1.2 / 1.2Speed (tok/s)3.6 / 2.9Coding (HumanEval)7.6 / 7.1
OpenAI GPT-4oxAI Grok 2

Détail du score

OpenAI GPT-4oxAI Grok 2
8.8
Cost Efficiency20% weight
9.0
Égalité
8.2
Benchmark (MMLU)30% weight
7.9
Égalité
6.1
Arena ELO20% weight
5.2
OpenAI GPT-4o Gagnant
1.2
Context Window10% weight
1.2
Égalité
3.6
Speed (tok/s)10% weight
2.9
OpenAI GPT-4o Gagnant
7.6
Coding (HumanEval)10% weight
7.1
Égalité

Scores are relative within the ai language modelscategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.

OpenAI GPT-4o

Gagnant

✓ Pros

  • ●Better display quality
  • ●Higher camera score
  • ●Better build and design

xAI Grok 2

✗ Cons

  • ●Lower display score
  • ●Lower camera score

💰 Token Pricing (per 1M tokens)

Lower cost = better value. Free = open-source self-hosted.

MetricOpenAI GPT-4oGrok 2
Input (Prompt)$2.50/1M✓$2.00/1M
Output (Completion)$10.00/1M$10.00/1M
Open SourceProprietaryProprietary

⚡ Context Window & Speed

Context Window (tokens)

OpenAI GPT-4o128K
Grok 2131K
MetricOpenAI GPT-4oGrok 2
Max Output✓16,384 tok4,096 tok
Speed✓120 tok/s100 tok/s
Time to First Token✓500ms600ms
Languages✓50+25+

📊 Benchmark Scores

Higher is better. Industry-standard AI evaluation benchmarks.

OpenAI GPT-4o
Grok 2
MMLU (Knowledge)
88.7|87.5

OpenAI GPT-4o

Grok 2

HumanEval (Coding)
90.2|88.4

OpenAI GPT-4o

Grok 2

MATH (Mathematics)
76.6|76.1

OpenAI GPT-4o

Grok 2

GPQA (Expert Q&A)
53.6|56.0

OpenAI GPT-4o

Grok 2

Chatbot Arena ELO
1314.0|1290.0

OpenAI GPT-4o

Grok 2

🔧 Capabilities

FeatureOpenAI GPT-4oGrok 2
Reasoning / Chain-of-Thought✕✕
Vision (Image Input)✓✓
Audio Input✓✕
Video Input✕✕
Image/Audio Output✓✕
Function Calling / Tools✓✓
JSON Mode✓✓
Real-time Web Access✕✓
Fine-tuning Support✓✕
Batch API✓✕
Streaming✓✓
Open Source✕✕

ℹ️ Model Details

FieldOpenAI GPT-4oGrok 2
ProviderOpenAIxAI
Knowledge Cutoff2024-04real-time
Best For
generalcodingvisionmultimodal
current eventsresearchreal time infogeneral

Qui devrait acheter

Buy OpenAI GPT-4o if…

Buy the OpenAI GPT-4o if you want the best overall value in this comparison. It scores higher overall and is the recommended choice for most buyers.

Buy xAI Grok 2 if…

The xAI Grok 2 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.

OpenAI GPT-4o vs xAI Grok 2 — FAQ

OpenAI GPT-4o vs xAI Grok 2: which is better?

OpenAI GPT-4o narrowly beats the xAI Grok 2 in the ai language models category, particularly in design, scoring 6.7/10 vs 6.3/10. If you want the better overall performer, OpenAI GPT-4o is the clear pick.

Is OpenAI GPT-4o better than xAI Grok 2?

Yes, OpenAI GPT-4o scores higher overall (9.2 vs 8.5).

Which is cheaper, OpenAI GPT-4o or xAI Grok 2?

Check the latest prices using the buy links above.

Who should buy the OpenAI GPT-4o?

Buy the OpenAI GPT-4o if you want the best overall value in this comparison. It scores higher overall and is the recommended choice for most buyers.

Who should buy the xAI Grok 2?

The xAI Grok 2 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.

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Full OpenAI GPT-4o review →Full xAI Grok 2 review →All OpenAI AI Language Models →All xAI AI Language Models →