o4-mini vs DeepSeek V4 Flash
Side-by-side comparison across metrics, pricing, and overall score — every value traced to a source.
Verdict: DeepSeek V4 Flash ranks highest overall (#1) with a score of 70.9.
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.
Dominated option
DeepSeek V4 Flash is at least as good as o4-mini on all 5 scored metrics both report — there is no scored scenario where o4-mini is the better pick here.
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| Metric | o4-miniOpenAI | DeepSeek V4 FlashDeepSeek |
|---|---|---|
| Overall OptiSift Score | 20.4#17 | 70.9#1 |
| Input Price | $1.1 | $0.14 |
| Output Price | $4.4 | $0.28 |
| Cache Read Price | $0.28 | $0 |
| Context Window | 200K | 1M |
| Max Output Tokens | 100K | 384K |
| Tool Calling | Yes | Yes |
| Extended Reasoning | Yes | Yes |