Model comparison
Mistral Small 3.1 vs Phi-4
Mistral Small 3.1 and Phi-4 score almost the same on the Noometry Index (31.7 vs 31.2), so choose on price, context window or the category you care about most.
Last verified . 21 shared benchmarks.
Mistral AI
MicrosoftSummary
- They share 21 benchmarks with published results for both. Mistral Small 3.1 scores higher in 5 categories and Phi-4 in 3 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Phi-4 leads 32.6 to 22.6.
- The biggest single-benchmark swing is GPQA Diamond: 41.9% for Mistral Small 3.1 and 56.1% for Phi-4.
- Phi-4 is cheaper at $0.07 / $0.14 per million input/output tokens, against $0.35 / $0.56 for Mistral Small 3.1.
Side by side
| Mistral Small 3.1 | Phi-4 | |
|---|---|---|
| Provider | Mistral AI | Microsoft |
| Noometry Index | 31.7 | 31.2 |
| Released | 2025-03-17 | 2024-12-11 |
| Weights | Open | Open |
| Context window | 128K | 128K |
| Max output | 102K | 4K |
| Input $ / M tokens | $0.35 | $0.07 |
| Output $ / M tokens | $0.56 | $0.14 |
| Results tracked | 28 | 37 |
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Category by category
Coding Mistral Small 3.1 leads
Mistral Small 3.1: 38.3 (#179), Phi-4: 34.4 (#239)
| Benchmark | Mistral Small 3.1 | Phi-4 |
|---|---|---|
| LMArena Coding | 1309 | 1231 |
| BigCodeBench Instruct | — | 45.5% |
| LiveBench Coding | — | 30.7% |
| BigCodeBench Complete | — | 55.4% |
Agentic & Tool Use Not comparable
Mistral Small 3.1: —, Phi-4: 22.8 (#128)
| Benchmark | Mistral Small 3.1 | Phi-4 |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 28.8% |
| BALROG | — | 11.6% |
Reasoning Mistral Small 3.1 leads
Mistral Small 3.1: 19.7 (#254), Phi-4: 17.7 (#291)
| Benchmark | Mistral Small 3.1 | Phi-4 |
|---|---|---|
| Chess Puzzles | 1% | 1% |
| LMArena Hard Prompts | 1278 | 1220 |
| Epoch Capabilities Index | 127.48 | 130.42 |
| LiveBench Reasoning | — | 47.8% |
| LiveBench Data Analysis | — | 45.2% |
| LiveBench | — | 41.6% |
Math Phi-4 leads
Mistral Small 3.1: 14.7 (#301), Phi-4: 20.8 (#285)
| Benchmark | Mistral Small 3.1 | Phi-4 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 3.9% | 13.8% |
| LMArena Math | 1262 | 1246 |
| Omni-MATH | 24.8% | — |
| LiveBench Math | — | 42% |
| MATH Level 5 | — | 64.9% |
Knowledge Phi-4 leads
Mistral Small 3.1: 22.6 (#271), Phi-4: 32.6 (#209)
| Benchmark | Mistral Small 3.1 | Phi-4 |
|---|---|---|
| GPQA Diamond | 41.9% | 56.1% |
| LMArena Expert | 1257 | 1203 |
| MMLU-Pro | 61% | — |
| Confabulations | — | 29.4% |
| Vectara Hallucination Rate | — | 3.7% |
| GPQA (HELM) | 39.2% | — |
| MMLU | — | 84.8% |
Multimodal Not comparable
Mistral Small 3.1: 33.2 (#99), Phi-4: —
| Benchmark | Mistral Small 3.1 | Phi-4 |
|---|---|---|
| LMArena Vision | 1136 | — |
Multilingual Mistral Small 3.1 leads
Mistral Small 3.1: 41.2 (#209), Phi-4: 37.2 (#237)
| Benchmark | Mistral Small 3.1 | Phi-4 |
|---|---|---|
| LMArena Non-English | 1255 | 1197 |
| LMArena Chinese | 1253 | 1212 |
| LMArena French | 1273 | 1224 |
| LMArena German | 1266 | 1222 |
| LMArena Japanese | 1208 | 1158 |
| LMArena Korean | 1206 | 1151 |
| LMArena Russian | 1263 | 1209 |
| LMArena Spanish | 1283 | 1234 |
Instruction Following Mistral Small 3.1 leads
Mistral Small 3.1: 63.6 (#230), Phi-4: 60.4 (#251)
| Benchmark | Mistral Small 3.1 | Phi-4 |
|---|---|---|
| LMArena Instruction Following | 1264 | 1201 |
| LiveBench Instruction Following | — | 58.4% |
| IFEval | 75% | — |
Long Context Mistral Small 3.1 leads
Mistral Small 3.1: 39.5 (#178), Phi-4: 36.9 (#226)
| Benchmark | Mistral Small 3.1 | Phi-4 |
|---|---|---|
| LMArena Longer Query | 1299 | 1217 |
Writing & Preference Phi-4 leads
Mistral Small 3.1: 37.0 (#259), Phi-4: 40.5 (#244)
| Benchmark | Mistral Small 3.1 | Phi-4 |
|---|---|---|
| LMArena Text | 1277 | 1217 |
| LMArena Creative Writing | 1253 | 1182 |
| LMArena Multi-Turn | 1270 | 1206 |
| Short-Story Creative Writing | — | 62.6% |
| EQ-Bench Creative Writing | 761 | — |
| WildBench | 78.8% | — |
| LiveBench Language | — | 25.6% |
Frequently asked questions
Is Mistral Small 3.1 better than Phi-4?
Mistral Small 3.1 and Phi-4 score almost the same on the Noometry Index (31.7 vs 31.2), so choose on price, context window or the category you care about most.
Which is cheaper, Mistral Small 3.1 or Phi-4?
Phi-4 is cheaper. It lists at $0.07 per million input tokens and $0.14 per million output tokens; Mistral Small 3.1 lists at $0.35 and $0.56.
Is Mistral Small 3.1 or Phi-4 better for coding?
Mistral Small 3.1 scores higher on coding benchmarks: 38.3 versus 34.4 in the Noometry coding category.
Which has the bigger context window?
Both accept 128K tokens.
How many benchmarks do Mistral Small 3.1 and Phi-4 share?
21 benchmarks have published results for both models. Mistral Small 3.1 has 28 scored results on Noometry and Phi-4 has 37.