Grok 3 Mini vs GPT-4.5
Which is better in 2026?
Grok 3 Mini
84
Veltrix Score
vs
GPT-4.5
72
Veltrix Score
Detailed Scores
Grok 3 Mini — Scores
Coding80
Reasoning84
Creativity75
Speed90
Cost Efficiency92
Context: 131K tokens
API: $0.3 / $0.5 per 1M tokens
GPT-4.5 — Scores
Coding86
Reasoning91
Creativity90
Speed60
Cost Efficiency28
Context: 128K tokens
API: $75 / $150 per 1M tokens
Key Differences
| Aspect | Grok 3 Mini | GPT-4.5 |
|---|---|---|
| Veltrix Score | 84/100 | 72/100 |
| Context Window | 131K tokens | 128K tokens |
| API Cost (input/output per 1M) | $0.3 / $0.5 | $75 / $150 |
| Coding | 80/100 | 86/100 |
| Reasoning | 84/100 | 91/100 |
| Speed | 90/100 | 60/100 |
Best for — Grok 3 Mini
- +Code generation and review
- +Complex reasoning tasks
- +Fast response times
- +Cost-efficient at scale
Best for — GPT-4.5
- +Code generation and review
- +Complex reasoning tasks
- +Creative writing
Analysis
Grok 3 Mini and GPT-4.5 are both popular choices in the llm space. Grok 3 Mini currently leads with a Veltrix Score of 84 compared to 72 for GPT-4.5.
In coding benchmarks, GPT-4.5 takes the lead. For reasoning tasks, GPT-4.5 performs stronger. For cost-conscious developers, Grok 3 Mini 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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