GPT-4o vs GPT-4.5
Which is better in 2026?
GPT-4o
87
Veltrix Score
vs
GPT-4.5
72
Veltrix Score
Detailed Scores
GPT-4o — Scores
Coding90
Reasoning90
Creativity88
Speed85
Cost Efficiency80
Context: 128K tokens
API: $2.5 / $10 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 | GPT-4o | GPT-4.5 |
|---|---|---|
| Veltrix Score | 87/100 | 72/100 |
| Context Window | 128K tokens | 128K tokens |
| API Cost (input/output per 1M) | $2.5 / $10 | $75 / $150 |
| Coding | 90/100 | 86/100 |
| Reasoning | 90/100 | 91/100 |
| Speed | 85/100 | 60/100 |
Best for — GPT-4o
- +Code generation and review
- +Complex reasoning tasks
- +Creative writing
- +Fast response times
- +Cost-efficient at scale
Best for — GPT-4.5
- +Code generation and review
- +Complex reasoning tasks
- +Creative writing
Analysis
GPT-4o and GPT-4.5 are both popular choices in the llm space. GPT-4o currently leads with a Veltrix Score of 87 compared to 72 for GPT-4.5.
In coding benchmarks, GPT-4o takes the lead. For reasoning tasks, GPT-4.5 performs stronger. For cost-conscious developers, GPT-4o 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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