Model comparison
GPT-4.1 nano vs Grok 3 [Beta]
Head-to-head evidence from 1 shared benchmark result across 1 category. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: GPT-4.1 nano #170 (Estimated); Grok 3 [Beta] #179 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. GPT-4.1 nano and Grok 3 [Beta] share 1 comparable benchmark result. 1 of 8 categories are comparable. 20 results are unique to GPT-4.1 nano; 1 to Grok 3 [Beta].
Updated July 24, 2026- Shared results
- 1
- GPT-4.1 nano only
- 20
- Grok 3 [Beta] only
- 1
- Comparable categories
- 1 / 8
Pick GPT-4.1 nano if you want the stronger benchmark profile. Grok 3 [Beta] only becomes the better choice if mathematics is the priority.
Confidence note. This is a partial-evidence comparison with 1 shared benchmark result 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
GPT-4.1 nano has the cleaner BenchAlign overall profile here, landing at 41.14 versus 39.85. It is a real lead, but still close enough that category-level strengths matter more than the headline number.
GPT-4.1 nano gives you the larger context window at 1M, 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 | GPT-4.1 nano | Δ | Grok 3 [Beta] |
|---|---|---|---|
| Math | GPT-4.1 nano1.0 | Margin→ 1.8 | Grok 3 [Beta]2.8 |
| Knowledge | GPT-4.1 nano50.3 | MarginNo overlap | Grok 3 [Beta]Not measured |
| Inst. Following | GPT-4.1 nano83.2 | MarginNo overlap | Grok 3 [Beta]Not measured |
Decisive benchmark drivers
The largest measured benchmark gaps in this matchup, with exact reported values.
More
- Source ↗
FrontierMath v2 (Tiers 1-3)
MathA 1.034%B 3.793%Winner: Grok 3 [Beta]Δ 2.8FrontierMath v2 (Tiers 1-3): GPT-4.1 nano scored 1.034%; Grok 3 [Beta] scored 3.793%. Grok 3 [Beta] wins this benchmark.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | GPT-4.1 nano | Grok 3 [Beta] | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | GPT-4.1 nano$0.1 input / $0.4 output | Grok 3 [Beta]Not available | A complete price comparison is not available. |
| Generation speedtokens per second | GPT-4.1 nano181 tok/s | Grok 3 [Beta]Not available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | GPT-4.1 nano0.63 s | Grok 3 [Beta]Not available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | GPT-4.1 nano1M | Grok 3 [Beta]128K | GPT-4.1 nano lists the larger context window. |
Benchmark Deep Dive
Agentic4 benchmarks
Coding2 benchmarks
Reasoning2 benchmarks
Knowledge8 benchmarks
| Benchmark | GPT-4.1 nano | Grok 3 [Beta] | Result |
|---|---|---|---|
| MMLUSource | 80.1% | — | Not comparable |
| GPQASource | 50.3% | — | Not comparable |
| Artificial Analysis Intelligence IndexSource | 9.6% | — | Not comparable |
| AA-GPQA DiamondSource | 51.2% | — | Not comparable |
| AA-HLESource | 3.9% | — | Not comparable |
| AA-Omniscience IndexSource | -56.4% | — | Not comparable |
| AA-Omniscience AccuracySource | 13.3% | — | Not comparable |
| AA-Omniscience Hallucination RateSource | 80.4% | — | Not comparable |
MathGrok 3 [Beta] wins2 benchmarks
Multimodal2 benchmarks
Frequently Asked Questions (2)
Which is better, GPT-4.1 nano or Grok 3 [Beta]?
GPT-4.1 nano is ahead on BenchLM's BenchAlign leaderboard, 41.14 to 39.85. The biggest single separator in this matchup is FrontierMath v2 (Tiers 1-3), where the scores are 1.034% and 3.793%.
Which is better for math, GPT-4.1 nano or Grok 3 [Beta]?
Grok 3 [Beta] has the edge for math in this comparison, averaging 2.8 versus 1. Inside this category, FrontierMath v2 (Tiers 1-3) is the benchmark that creates the most daylight between them.