Model comparison
Grok 3 [Beta] vs o4-mini (high)
Head-to-head evidence from 2 shared benchmark results across 1 category. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Grok 3 [Beta] #171 (Supported); o4-mini (high) #118 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Grok 3 [Beta] and o4-mini (high) share 2 comparable benchmark results. 1 of 8 categories are comparable. 0 results are unique to Grok 3 [Beta]; 0 to o4-mini (high).
Updated July 20, 2026- Shared results
- 2
- Grok 3 [Beta] only
- 0
- o4-mini (high) only
- 0
- Comparable categories
- 1 / 8
Pick o4-mini (high) if you want the stronger benchmark profile. Grok 3 [Beta] only becomes the better choice if you would rather avoid the extra latency and token burn of a reasoning model.
Confidence note. This is a partial-evidence comparison with 2 shared benchmark results across 1 evidence category; 1 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
o4-mini (high) is clearly ahead on the BenchAlign aggregate, 49.98 to 40.43. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
o4-mini (high)'s sharpest advantage is in mathematics, where it averages 20.2 against 2.8. The single biggest benchmark swing on the page is FrontierMath v2 (Tiers 1-3), 3.793% to 24.828%.
o4-mini (high) is the reasoning model in the pair, while Grok 3 [Beta] is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. o4-mini (high) gives you the larger context window at 200K, compared with 128K for Grok 3 [Beta].
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | Grok 3 [Beta] | Δ | o4-mini (high) |
|---|---|---|---|
| Math | Grok 3 [Beta]2.8 | Margin→ 17.4 | o4-mini (high)20.2 |
Decisive benchmark drivers
The largest measured benchmark gaps in this matchup, with exact reported values.
More
- Source ↗
FrontierMath v2 (Tiers 1-3)
MathA 3.793%B 24.828%Winner: o4-mini (high)Δ 21FrontierMath v2 (Tiers 1-3): Grok 3 [Beta] scored 3.793%; o4-mini (high) scored 24.828%. o4-mini (high) wins this benchmark. - Source ↗
FrontierMath v2 (Tier 4)
MathA 0.000%B 6.250%Winner: o4-mini (high)Δ 6.3FrontierMath v2 (Tier 4): Grok 3 [Beta] scored 0.000%; o4-mini (high) scored 6.250%. o4-mini (high) wins this benchmark.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Grok 3 [Beta] | o4-mini (high) | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Grok 3 [Beta]Not available | o4-mini (high)Not available | A complete price comparison is not available. |
| Generation speedtokens per second | Grok 3 [Beta]Not available | o4-mini (high)161 tok/s | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Grok 3 [Beta]Not available | o4-mini (high)21.94 s | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Grok 3 [Beta]128K | o4-mini (high)200K | o4-mini (high) lists the larger context window. |
Benchmark Deep Dive
Frequently Asked Questions (2)
Which is better, Grok 3 [Beta] or o4-mini (high)?
o4-mini (high) is ahead on BenchLM's BenchAlign leaderboard, 49.98 to 40.43. The biggest single separator in this matchup is FrontierMath v2 (Tiers 1-3), where the scores are 3.793% and 24.828%.
Which is better for math, Grok 3 [Beta] or o4-mini (high)?
o4-mini (high) has the edge for math in this comparison, averaging 20.2 versus 2.8. Inside this category, FrontierMath v2 (Tiers 1-3) is the benchmark that creates the most daylight between them.
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