Claude Opus 4.6 vs GPT-4.5
Which is better in 2026?
Claude Opus 4.6
85
Veltrix Score
vs
GPT-4.5
72
Veltrix Score
Detailed Scores
Claude Opus 4.6 — Scores
Coding95
Reasoning97
Creativity96
Speed71
Cost Efficiency61
Context: 1000K tokens
API: $5 / $25 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 | Claude Opus 4.6 | GPT-4.5 |
|---|---|---|
| Veltrix Score | 85/100 | 72/100 |
| Context Window | 1000K tokens | 128K tokens |
| API Cost (input/output per 1M) | $5 / $25 | $75 / $150 |
| Coding | 95/100 | 86/100 |
| Reasoning | 97/100 | 91/100 |
| Speed | 71/100 | 60/100 |
Best for — Claude Opus 4.6
- +Code generation and review
- +Complex reasoning tasks
- +Creative writing
Best for — GPT-4.5
- +Code generation and review
- +Complex reasoning tasks
- +Creative writing
Analysis
Claude Opus 4.6 and GPT-4.5 are both popular choices in the llm space. Claude Opus 4.6 currently leads with a Veltrix Score of 85 compared to 72 for GPT-4.5.
In coding benchmarks, Claude Opus 4.6 takes the lead. For reasoning tasks, Claude Opus 4.6 performs stronger. For cost-conscious developers, Claude Opus 4.6 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.
Need help choosing the right tools?
Get a free AI-powered audit of your website, or subscribe to our newsletter for weekly tool updates and recommendations.