Claude Opus 4.6 vs o3-mini
Which is better in 2026?
Claude Opus 4.6
85
Veltrix Score
vs
o3-mini
84
Veltrix Score
Detailed Scores
Claude Opus 4.6 — Scores
Coding95
Reasoning97
Creativity96
Speed71
Cost Efficiency61
Context: 1000K tokens
API: $5 / $25 per 1M tokens
o3-mini — Scores
Coding90
Reasoning92
Creativity71
Speed82
Cost Efficiency79
Context: 200K tokens
API: $1.1 / $4.4 per 1M tokens
Key Differences
| Aspect | Claude Opus 4.6 | o3-mini |
|---|---|---|
| Veltrix Score | 85/100 | 84/100 |
| Context Window | 1000K tokens | 200K tokens |
| API Cost (input/output per 1M) | $5 / $25 | $1.1 / $4.4 |
| Coding | 95/100 | 90/100 |
| Reasoning | 97/100 | 92/100 |
| Speed | 71/100 | 82/100 |
Best for — Claude Opus 4.6
- +Code generation and review
- +Complex reasoning tasks
- +Creative writing
Best for — o3-mini
- +Code generation and review
- +Complex reasoning tasks
- +Fast response times
Analysis
Claude Opus 4.6 and o3-mini are both popular choices in the llm space. With Veltrix Scores of 85 and 84 respectively, they are closely matched overall.
In coding benchmarks, Claude Opus 4.6 takes the lead. For reasoning tasks, Claude Opus 4.6 performs stronger. For cost-conscious developers, o3-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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