# GPT-4.1 mini vs Grok 4.3

> Grok 4.3 is the stronger model overall, scoring 43.6 to 33.5 on the Noometry Index. GPT-4.1 mini costs 2.2× less per token, which makes it the better buy when Grok 4.3's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gpt-4-1-mini-vs-grok-4-3
- Last updated: 2026-10-10
- Shared benchmarks: 29

## Summary

- They share 29 benchmarks with published results for both. GPT-4.1 mini scores higher in 3 categories and Grok 4.3 in 7 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.3 leads 34.9 to 10.9.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 44.7% for GPT-4.1 mini and 93.3% for Grok 4.3.
- GPT-4.1 mini is cheaper at $0.40 / $1.60 per million input/output tokens, against $1.25 / $2.50 for Grok 4.3.
- GPT-4.1 mini accepts more context: 1.05M tokens versus 1M.

## Snapshot

| | GPT-4.1 mini | Grok 4.3 |
|---|---|---|
| Provider | OpenAI | xAI |
| Noometry Index | 33.5 | 43.6 |
| Rank | 232 | 80 |
| Context | 1.05M | 1M |
| Input $/M | $0.40 | $1.25 |
| Output $/M | $1.60 | $2.50 |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-4.1 mini: 30.4 (#286)
- Grok 4.3: 41.3 (#117)

| Benchmark | GPT-4.1 mini | Grok 4.3 |
|---|---|---|
| SciCode | 40.4% | 47.3% |
| WeirdML | 37.6% | 49.9% |
| LMArena Coding | 1367 | 1415 |
| SWE-bench Verified (bash only) | 23.9% | — |
| Aider Polyglot | 32.4% | — |
| LMArena WebDev | — | 1357 |
| BigCodeBench Instruct | 48.9% | — |
| CadEval | 16% | — |
| ALE-Bench | — | 944.17 |

## Agentic & Tool Use

- GPT-4.1 mini: 33.0 (#52)
- Grok 4.3: 27.6 (#93)

| Benchmark | GPT-4.1 mini | Grok 4.3 |
|---|---|---|
| Berkeley Function Calling Leaderboard | 50.5% | — |
| GDP.pdf | — | 8% |
| LMArena Search | — | 1165 |
| Vending-Bench 2 | — | 35.26 |

## Reasoning

- GPT-4.1 mini: 10.9 (#335)
- Grok 4.3: 34.9 (#60)

| Benchmark | GPT-4.1 mini | Grok 4.3 |
|---|---|---|
| CritPt | 0% | 8% |
| Chess Puzzles | 7% | 25% |
| LMArena Hard Prompts | 1349 | 1397 |
| DTBench | 68.8% | 90.7% |
| LMCA | 21.1% | 38.3% |
| Epoch Capabilities Index | 135.01 | 149.13 |
| ARC-AGI-2 | 0% | — |
| Kagi LLM Benchmark | 48.6% | — |
| NYT Connections (extended) | — | 55.2% |
| ARC-AGI-1 | 3.5% | — |
| Mystery Game Puzzles | 7% | — |
| ForecastBench | — | 60.3 |

## Math

- GPT-4.1 mini: 23.1 (#264)
- Grok 4.3: 45.8 (#60)

| Benchmark | GPT-4.1 mini | Grok 4.3 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 6.7% | 42.8% |
| OTIS Mock AIME 2024-2025 | 44.7% | 93.3% |
| LMArena Math | 1343 | 1388 |
| FrontierMath Tier 4 | — | 14.6% |
| ProofBench | — | 11% |
| Omni-MATH | 49.1% | — |
| MATH Level 5 | 87.3% | — |
| FrontierMath (Feb 2025 set) | 4.5% | — |

## Knowledge

- GPT-4.1 mini: 34.7 (#183)
- Grok 4.3: 52.5 (#57)

| Benchmark | GPT-4.1 mini | Grok 4.3 |
|---|---|---|
| GPQA Diamond | 65.8% | 88.8% |
| SimpleQA Verified | 12.7% | 33.2% |
| LMArena Expert | 1338 | 1385 |
| MMLU-Pro | 78.3% | — |
| GPQA (HELM) | 61.4% | — |

## Multimodal

- GPT-4.1 mini: 35.2 (#77)
- Grok 4.3: 31.6 (#96)

| Benchmark | GPT-4.1 mini | Grok 4.3 |
|---|---|---|
| LMArena Vision | 1181 | 1231 |
| Blueprint-Bench 2 | — | 0% |

## Multilingual

- GPT-4.1 mini: 45.9 (#161)
- Grok 4.3: 50.7 (#114)

| Benchmark | GPT-4.1 mini | Grok 4.3 |
|---|---|---|
| LMArena Non-English | 1318 | 1385 |
| LMArena Chinese | 1329 | 1423 |
| LMArena French | 1357 | 1412 |
| LMArena German | 1349 | 1395 |
| LMArena Japanese | 1291 | 1379 |
| LMArena Korean | 1298 | 1357 |
| LMArena Russian | 1324 | 1399 |
| LMArena Spanish | 1319 | 1402 |

## Instruction Following

- GPT-4.1 mini: 73.9 (#113)
- Grok 4.3: 72.3 (#135)

| Benchmark | GPT-4.1 mini | Grok 4.3 |
|---|---|---|
| LMArena Instruction Following | 1332 | 1366 |
| IFEval | 90.4% | — |

## Long Context

- GPT-4.1 mini: 31.8 (#270)
- Grok 4.3: 42.5 (#118)

| Benchmark | GPT-4.1 mini | Grok 4.3 |
|---|---|---|
| LMArena Longer Query | 1344 | 1393 |
| Fiction.LiveBench | 44.4% | — |

## Writing & Preference

- GPT-4.1 mini: 48.8 (#193)
- Grok 4.3: 58.6 (#112)

| Benchmark | GPT-4.1 mini | Grok 4.3 |
|---|---|---|
| LMArena Text | 1341 | 1397 |
| LMArena Creative Writing | 1300 | 1380 |
| LMArena Multi-Turn | 1354 | 1406 |
| EQ-Bench Creative Writing | 1147 | — |
| WildBench | 83.8% | — |
| EQ-Bench 4 | — | 1075 |

## FAQ

### Is GPT-4.1 mini better than Grok 4.3?

Grok 4.3 is the stronger model overall, scoring 43.6 to 33.5 on the Noometry Index. GPT-4.1 mini costs 2.2× less per token, which makes it the better buy when Grok 4.3's lead doesn't matter for your workload.

### Which is cheaper, GPT-4.1 mini or Grok 4.3?

GPT-4.1 mini is cheaper. It lists at $0.40 per million input tokens and $1.60 per million output tokens; Grok 4.3 lists at $1.25 and $2.50.

### Is GPT-4.1 mini or Grok 4.3 better for coding?

Grok 4.3 scores higher on coding benchmarks: 41.3 versus 30.4 in the Noometry coding category.

### Which has the bigger context window?

GPT-4.1 mini does, with 1.05M tokens against 1M.

### How many benchmarks do GPT-4.1 mini and Grok 4.3 share?

29 benchmarks have published results for both models. GPT-4.1 mini has 47 scored results on Noometry and Grok 4.3 has 40.