Model comparison
o3-pro vs o4-mini (high)
Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: o3-pro #127 (Supported); o4-mini (high) #118 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. o3-pro and o4-mini (high) share 0 comparable benchmark results. 0 of 8 categories are comparable. 2 results are unique to o3-pro; 2 to o4-mini (high).
Updated July 21, 2026- Shared results
- 0
- o3-pro only
- 2
- o4-mini (high) only
- 2
- Comparable categories
- 0 / 8
Benchmark data for o3-pro and o4-mini (high) is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 0 shared benchmark results across 0 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | o3-pro | o4-mini (high) | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | o3-pro$20 input / $80 output | o4-mini (high)Not available | A complete price comparison is not available. |
| Generation speedtokens per second | o3-pro27 tok/s | o4-mini (high)161 tok/s | o4-mini (high) has the higher measured throughput. |
| First-answer latencyseconds to first token | o3-pro84.93 s | o4-mini (high)21.94 s | o4-mini (high) reaches the first token sooner. |
| Context windowmaximum listed tokens | o3-pro200K | o4-mini (high)200K | Listed context windows are equal. |
Benchmark Deep Dive
Knowledge2 benchmarks
Frequently Asked Questions (3)
Can I compare o3-pro and o4-mini (high) on BenchLM yet?
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
Why does this comparison show “coming soon”?
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
What data is available for o3-pro and o4-mini (high) today?
o3-pro: $20.00 input / $80.00 output per 1M tokens o4-mini (high): Pricing unavailable Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
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