Model comparison
Grok 4.6 vs Phi 3 Mini 128k Instruct
Grok 4.6 is the stronger model overall, scoring 56.9 to 29.7 on the Noometry Index.
Last verified . 17 shared benchmarks.
MicrosoftSummary
- They share 17 benchmarks with published results for both. Grok 4.6 scores higher in 8 categories and Phi 3 Mini 128k Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.6 leads 61.4 to 19.6.
- Phi 3 Mini 128k Instruct has downloadable open weights; the other is API-only.
Side by side
| Grok 4.6 | Phi 3 Mini 128k Instruct | |
|---|---|---|
| Provider | xAI | Microsoft |
| Noometry Index | 56.9 | 29.7 |
| Released | 2026-08-12 | 2024-04-23 |
| Weights | Proprietary | Open |
| Context window | 500K | — |
| Max output | 500K | — |
| Input $ / M tokens | $2 | — |
| Output $ / M tokens | $6 | — |
| Results tracked | 49 | 19 |
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Category by category
Coding Grok 4.6 leads
Grok 4.6: 58.5 (#16), Phi 3 Mini 128k Instruct: 28.8 (#312)
| Benchmark | Grok 4.6 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Coding | 1465 | 1039 |
| DeepSWE | 67.5% | — |
| FrontierCode | 48% | — |
| CursorBench | 41.4% | — |
| LMArena WebDev | 1617 | — |
| FrontierSWE | 25.3% | — |
| SciCode | 56.5% | — |
| WeirdML | 67.3% | — |
| BigCodeBench Instruct | — | 29.6% |
| BigCodeBench Complete | — | 40.6% |
| ALE-Bench | 1,508 | — |
Agentic & Tool Use Not comparable
Grok 4.6: 39.4 (#27), Phi 3 Mini 128k Instruct: —
| Benchmark | Grok 4.6 | Phi 3 Mini 128k Instruct |
|---|---|---|
| APEX-Agents | 65.3% | — |
| GDP.pdf | 17.2% | — |
| Vending-Bench 2 | 9,047 | — |
Reasoning Grok 4.6 leads
Grok 4.6: 61.4 (#20), Phi 3 Mini 128k Instruct: 19.6 (#256)
| Benchmark | Grok 4.6 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1447 | 1028 |
| ARC-AGI-2 | 67.1% | — |
| SimpleBench | 75.9% | — |
| NYT Connections (extended) | 80% | — |
| ARC-AGI-1 | 87.5% | — |
| CritPt | 19.7% | — |
| Chess Puzzles | 40% | — |
| EBR-Bench | 30.5% | — |
| Mystery Game Puzzles | 34% | — |
| DTBench | 97.3% | — |
| LMCA | 48.5% | — |
| Epoch Capabilities Index | 156.44 | — |
Math Grok 4.6 leads
Grok 4.6: 67.0 (#24), Phi 3 Mini 128k Instruct: 31.6 (#222)
| Benchmark | Grok 4.6 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Math | 1423 | 1089 |
| FrontierMath (Tiers 1-3) | 66% | — |
| FrontierMath Tier 4 | 31.7% | — |
| OTIS Mock AIME 2024-2025 | 99.2% | — |
| ProofBench | 51% | — |
Knowledge Grok 4.6 leads
Grok 4.6: 63.3 (#20), Phi 3 Mini 128k Instruct: 26.8 (#254)
| Benchmark | Grok 4.6 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Expert | 1467 | 984 |
| GPQA Diamond | 94% | — |
| SimpleQA Verified | 49.3% | — |
Multimodal Not comparable
Grok 4.6: 43.6 (#23), Phi 3 Mini 128k Instruct: —
| Benchmark | Grok 4.6 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Vision | 1263 | — |
| Blueprint-Bench 2 | 33.2% | — |
| Furniture Assembly | 40% | — |
| LMArena Document | 1452 | — |
Multilingual Grok 4.6 leads
Grok 4.6: 53.0 (#74), Phi 3 Mini 128k Instruct: 25.2 (#285)
| Benchmark | Grok 4.6 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Non-English | 1420 | 1000 |
| LMArena Chinese | 1480 | 1016 |
| LMArena French | 1461 | 1039 |
| LMArena German | 1431 | 1006 |
| LMArena Japanese | 1376 | 899 |
| LMArena Korean | 1397 | 856 |
| LMArena Russian | 1422 | 1004 |
| LMArena Spanish | 1404 | 1059 |
Instruction Following Grok 4.6 leads
Grok 4.6: 75.4 (#63), Phi 3 Mini 128k Instruct: 51.8 (#294)
| Benchmark | Grok 4.6 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Instruction Following | 1431 | 1023 |
Long Context Grok 4.6 leads
Grok 4.6: 44.5 (#66), Phi 3 Mini 128k Instruct: 30.4 (#289)
| Benchmark | Grok 4.6 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Longer Query | 1454 | 996 |
Writing & Preference Grok 4.6 leads
Grok 4.6: 62.3 (#80), Phi 3 Mini 128k Instruct: 27.1 (#301)
| Benchmark | Grok 4.6 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Text | 1428 | 1050 |
| LMArena Creative Writing | 1428 | 1024 |
| LMArena Multi-Turn | 1425 | 989 |
Frequently asked questions
Is Grok 4.6 better than Phi 3 Mini 128k Instruct?
Grok 4.6 is the stronger model overall, scoring 56.9 to 29.7 on the Noometry Index.
Is Grok 4.6 or Phi 3 Mini 128k Instruct better for coding?
Grok 4.6 scores higher on coding benchmarks: 58.5 versus 28.8 in the Noometry coding category.
How many benchmarks do Grok 4.6 and Phi 3 Mini 128k Instruct share?
17 benchmarks have published results for both models. Grok 4.6 has 49 scored results on Noometry and Phi 3 Mini 128k Instruct has 19.