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GPT-4o vs Grok 3

Which is better in 2026?

GPT-4o

87

Veltrix Score

vs

Grok 3

84

Veltrix Score

Detailed Scores

GPT-4o — Scores

Coding90
Reasoning90
Creativity88
Speed85
Cost Efficiency80
Context: 128K tokens
API: $2.5 / $10 per 1M tokens

Grok 3 — Scores

Coding80
Reasoning84
Creativity75
Speed90
Cost Efficiency92
Context: 131K tokens
API: $0.3 / $0.5 per 1M tokens

Key Differences

AspectGPT-4oGrok 3
Veltrix Score87/10084/100
Context Window128K tokens131K tokens
API Cost (input/output per 1M)$2.5 / $10$0.3 / $0.5
Coding90/10080/100
Reasoning90/10084/100
Speed85/10090/100

Best for — GPT-4o

  • +Code generation and review
  • +Complex reasoning tasks
  • +Creative writing
  • +Fast response times
  • +Cost-efficient at scale

Best for — Grok 3

  • +Code generation and review
  • +Complex reasoning tasks
  • +Fast response times
  • +Cost-efficient at scale

Analysis

GPT-4o and Grok 3 are both popular choices in the llm space. With Veltrix Scores of 87 and 84 respectively, they are closely matched overall.

In coding benchmarks, GPT-4o takes the lead. For reasoning tasks, GPT-4o performs stronger. For cost-conscious developers, Grok 3 offers better value per token.

This comparison is generated from live Veltrix ranking data. Scores are updated multiple times per week as new benchmarks and user data become available.

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