o4-mini vs Claude Haiku 4.5
Which is better in 2026?
o4-mini
88
Veltrix Score
vs
Claude Haiku 4.5
83
Veltrix Score
Detailed Scores
o4-mini — Scores
Coding92
Reasoning94
Creativity72
Speed90
Cost Efficiency86
Context: 200K tokens
API: $1.1 / $4.4 per 1M tokens
Claude Haiku 4.5 — Scores
Coding80
Reasoning78
Creativity75
Speed95
Cost Efficiency92
Context: 200K tokens
API: $1 / $5 per 1M tokens
Key Differences
| Aspect | o4-mini | Claude Haiku 4.5 |
|---|---|---|
| Veltrix Score | 88/100 | 83/100 |
| Context Window | 200K tokens | 200K tokens |
| API Cost (input/output per 1M) | $1.1 / $4.4 | $1 / $5 |
| Coding | 92/100 | 80/100 |
| Reasoning | 94/100 | 78/100 |
| Speed | 90/100 | 95/100 |
Best for — o4-mini
- +Code generation and review
- +Complex reasoning tasks
- +Fast response times
- +Cost-efficient at scale
Best for — Claude Haiku 4.5
- +Code generation and review
- +Fast response times
- +Cost-efficient at scale
Analysis
o4-mini and Claude Haiku 4.5 are both popular choices in the llm space. o4-mini currently leads with a Veltrix Score of 88 compared to 83 for Claude Haiku 4.5.
In coding benchmarks, o4-mini takes the lead. For reasoning tasks, o4-mini performs stronger. For cost-conscious developers, Claude Haiku 4.5 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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