Model comparison
Mistral Small 3.1 vs Phi 3 Medium 4k Instruct
Phi 3 Medium 4k Instruct is the stronger model overall, scoring 32.4 to 31.4 on the Noometry Index.
Last verified . 17 shared benchmarks.
Mistral AI
MicrosoftSummary
- They share 17 benchmarks with published results for both. Mistral Small 3.1 scores higher in 5 categories and Phi 3 Medium 4k Instruct in 3 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Phi 3 Medium 4k Instruct leads 30.9 to 13.7.
Side by side
| Mistral Small 3.1 | Phi 3 Medium 4k Instruct | |
|---|---|---|
| Provider | Mistral AI | Microsoft |
| Noometry Index | 31.4 | 32.4 |
| Released | 2025-03-17 | — |
| Weights | Open | Open |
| Context window | 128K | — |
| Max output | 102K | — |
| Input $ / M tokens | $0.35 | — |
| Output $ / M tokens | $0.56 | — |
| Results tracked | 28 | 17 |
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Category by category
Coding Mistral Small 3.1 leads
Mistral Small 3.1: 37.7 (#175), Phi 3 Medium 4k Instruct: 32.3 (#263)
| Benchmark | Mistral Small 3.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Coding | 1309 | 1130 |
Reasoning Phi 3 Medium 4k Instruct leads
Mistral Small 3.1: 18.9 (#249), Phi 3 Medium 4k Instruct: 20.8 (#214)
| Benchmark | Mistral Small 3.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1278 | 1127 |
| Chess Puzzles | 1% | — |
| Epoch Capabilities Index | 127.48 | — |
Math Phi 3 Medium 4k Instruct leads
Mistral Small 3.1: 13.7 (#295), Phi 3 Medium 4k Instruct: 30.9 (#202)
| Benchmark | Mistral Small 3.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Math | 1261 | 1173 |
| OTIS Mock AIME 2024-2025 | 3.9% | — |
| Omni-MATH | 24.8% | — |
Knowledge Phi 3 Medium 4k Instruct leads
Mistral Small 3.1: 22.6 (#266), Phi 3 Medium 4k Instruct: 29.6 (#226)
| Benchmark | Mistral Small 3.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Expert | 1258 | 1108 |
| GPQA Diamond | 41.9% | — |
| MMLU-Pro | 61% | — |
| GPQA (HELM) | 39.2% | — |
Multimodal Not comparable
Mistral Small 3.1: 32.6 (#93), Phi 3 Medium 4k Instruct: —
| Benchmark | Mistral Small 3.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Vision | 1136 | — |
Multilingual Mistral Small 3.1 leads
Mistral Small 3.1: 41.4 (#204), Phi 3 Medium 4k Instruct: 30.8 (#258)
| Benchmark | Mistral Small 3.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Non-English | 1255 | 1094 |
| LMArena Chinese | 1254 | 1108 |
| LMArena French | 1270 | 1109 |
| LMArena German | 1266 | 1101 |
| LMArena Japanese | 1210 | 1042 |
| LMArena Korean | 1206 | 954 |
| LMArena Russian | 1263 | 1145 |
| LMArena Spanish | 1283 | 1095 |
Instruction Following Mistral Small 3.1 leads
Mistral Small 3.1: 63.8 (#225), Phi 3 Medium 4k Instruct: 57.8 (#263)
| Benchmark | Mistral Small 3.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Instruction Following | 1264 | 1114 |
| IFEval | 75% | — |
Long Context Mistral Small 3.1 leads
Mistral Small 3.1: 39.5 (#172), Phi 3 Medium 4k Instruct: 33.9 (#250)
| Benchmark | Mistral Small 3.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Longer Query | 1300 | 1120 |
Writing & Preference Mistral Small 3.1 leads
Mistral Small 3.1: 37.2 (#254), Phi 3 Medium 4k Instruct: 34.3 (#267)
| Benchmark | Mistral Small 3.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Text | 1278 | 1138 |
| LMArena Creative Writing | 1253 | 1106 |
| LMArena Multi-Turn | 1270 | 1088 |
| EQ-Bench Creative Writing | 761 | — |
| WildBench | 78.8% | — |
Frequently asked questions
Is Mistral Small 3.1 better than Phi 3 Medium 4k Instruct?
Phi 3 Medium 4k Instruct is the stronger model overall, scoring 32.4 to 31.4 on the Noometry Index.
Is Mistral Small 3.1 or Phi 3 Medium 4k Instruct better for coding?
Mistral Small 3.1 scores higher on coding benchmarks: 37.7 versus 32.3 in the Noometry coding category.
How many benchmarks do Mistral Small 3.1 and Phi 3 Medium 4k Instruct share?
17 benchmarks have published results for both models. Mistral Small 3.1 has 28 scored results on Noometry and Phi 3 Medium 4k Instruct has 17.