o4-mini vs Claude Haiku 4.5 (latest)
Side-by-side comparison across metrics, pricing, and overall score — every value traced to a source.
Verdict: Claude Haiku 4.5 (latest) ranks highest overall (#9) with a score of 32.8.
The best choice still depends on which metrics matter for your workload — per-metric winners are marked below.
What the numbers hide
Computed from the published values below — no estimates, no generated claims.
Fragile verdict
The overall winner flips to o4-mini if Output Price is weighted at 30% (it counts for 18% today). If output price drives your decision, the ranking above may not be your ranking.
Fragile verdict
The overall winner flips to o4-mini if Input Price is weighted at 10% (it counts for 24% today). If input price drives your decision, the ranking above may not be your ranking.
Real tradeoff
o4-mini clearly beats Claude Haiku 4.5 (latest) on Output Price but clearly loses on Input Price — this pair is a priorities question, not a quality question.
What nobody reports
SWE-Bench Pro Score (1 of 2 missing) — the questions worth asking vendors directly.
AI hot take
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| Metric | o4-miniOpenAI | Claude Haiku 4.5 (latest)Anthropic |
|---|---|---|
| Overall OptiSift Score | 20.4#17 | 32.8#9 |
| Input Price | $1.1 | $1 |
| Output Price | $4.4 | $5 |
| Cache Read Price | $0.28 | $0.1 |
| Context Window | 200K | 200K |
| Max Output Tokens | 100K | 64K |
| SWE-Bench Pro Score | — | 39.45% |
| Tool Calling | Yes | Yes |
| Extended Reasoning | Yes | Yes |
About these models
#17o4-mini
OpenAI
o4-mini is OpenAI's reasoning-capable model: $1.10/$4.40 per 1M input/output tokens, 200K token context window.
#9Claude Haiku 4.5 (latest)
Anthropic
Claude Haiku 4.5 (latest) is Anthropic's reasoning-capable model: $1/$5 per 1M input/output tokens, 200K token context window, 39.45% on SWE-Bench Pro.