Model comparison
GPT-4.1 vs Phi-3.5-mini
GPT-4.1 has enough public results to be ranked (#219); Phi-3.5-mini does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
MicrosoftSummary
- Phi-3.5-mini has downloadable open weights; the other is API-only.
Side by side
| GPT-4.1 | Phi-3.5-mini | |
|---|---|---|
| Provider | OpenAI | Microsoft |
| Noometry Index | 35.9 | 36.9 |
| Released | 2025-04-14 | 2024-08-16 |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 33K | — |
| Input $ / M tokens | $2 | — |
| Output $ / M tokens | $8 | — |
| Results tracked | 52 | 5 |
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Category by category
Coding Too close to call
GPT-4.1: 34.4 (#238), Phi-3.5-mini: 34.6 (#232)
| Benchmark | GPT-4.1 | Phi-3.5-mini |
|---|---|---|
| SWE-bench Verified | 48.5% | — |
| SWE-bench Verified (bash only) | 39.6% | — |
| Aider Polyglot | 52.4% | — |
| WeirdML | 39% | — |
| BigCodeBench Instruct | — | 32.8% |
| LMArena Coding | 1391 | — |
| BigCodeBench Complete | — | 38.5% |
| CadEval | 42% | — |
| ALE-Bench | 558.1 | — |
Agentic & Tool Use Not comparable
GPT-4.1: 34.7 (#43), Phi-3.5-mini: —
| Benchmark | GPT-4.1 | Phi-3.5-mini |
|---|---|---|
| Berkeley Function Calling Leaderboard | 54% | — |
Reasoning Not comparable
GPT-4.1: 11.7 (#339), Phi-3.5-mini: —
| Benchmark | GPT-4.1 | Phi-3.5-mini |
|---|---|---|
| ARC-AGI-2 | 0.4% | — |
| SimpleBench | 27% | — |
| Kagi LLM Benchmark | 52.3% | — |
| ARC-AGI-1 | 5.5% | — |
| Chess Puzzles | 6% | — |
| EnigmaEval | 2.2% | — |
| LMArena Hard Prompts | 1384 | — |
| DTBench | 68.3% | — |
| LMCA | 25.6% | — |
| Epoch Capabilities Index | 136.78 | — |
| ForecastBench | 61.5 | — |
| PIQA | — | 81% |
Math Not comparable
GPT-4.1: 22.3 (#280), Phi-3.5-mini: —
| Benchmark | GPT-4.1 | Phi-3.5-mini |
|---|---|---|
| FrontierMath (Tiers 1-3) | 6% | — |
| OTIS Mock AIME 2024-2025 | 38.3% | — |
| Omni-MATH | 47.1% | — |
| LMArena Math | 1370 | — |
| MATH Level 5 | 83% | — |
| FrontierMath (Feb 2025 set) | 5.5% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
| GSM8K | — | 86.2% |
Knowledge Not comparable
GPT-4.1: 37.1 (#160), Phi-3.5-mini: —
| Benchmark | GPT-4.1 | Phi-3.5-mini |
|---|---|---|
| GPQA Diamond | 66.9% | — |
| Humanity's Last Exam | 5.4% | — |
| SimpleQA Verified | 31.1% | — |
| MMLU-Pro | 81.1% | — |
| Vectara Hallucination Rate | 5.6% | — |
| GPQA (HELM) | 65.9% | — |
| LMArena Expert | 1364 | — |
| BoolQ | — | 78% |
Multimodal Not comparable
GPT-4.1: 38.2 (#67), Phi-3.5-mini: —
| Benchmark | GPT-4.1 | Phi-3.5-mini |
|---|---|---|
| LMArena Vision | 1211 | — |
| GeoBench | 72% | — |
Multilingual Not comparable
GPT-4.1: 49.4 (#133), Phi-3.5-mini: —
| Benchmark | GPT-4.1 | Phi-3.5-mini |
|---|---|---|
| LMArena Non-English | 1370 | — |
| LMArena Chinese | 1382 | — |
| LMArena French | 1382 | — |
| LMArena German | 1381 | — |
| LMArena Japanese | 1319 | — |
| LMArena Korean | 1339 | — |
| LMArena Russian | 1377 | — |
| LMArena Spanish | 1376 | — |
Instruction Following Not comparable
GPT-4.1: 71.3 (#153), Phi-3.5-mini: —
| Benchmark | GPT-4.1 | Phi-3.5-mini |
|---|---|---|
| IFEval | 83.8% | — |
| LMArena Instruction Following | 1367 | — |
Long Context Not comparable
GPT-4.1: 40.0 (#163), Phi-3.5-mini: —
| Benchmark | GPT-4.1 | Phi-3.5-mini |
|---|---|---|
| Fiction.LiveBench | 63.9% | — |
| LMArena Longer Query | 1385 | — |
Writing & Preference Not comparable
GPT-4.1: 57.6 (#125), Phi-3.5-mini: —
| Benchmark | GPT-4.1 | Phi-3.5-mini |
|---|---|---|
| LMArena Text | 1383 | — |
| LMArena Creative Writing | 1363 | — |
| EQ-Bench Creative Writing | 1420 | — |
| WildBench | 85.4% | — |
| LMArena Multi-Turn | 1398 | — |
Frequently asked questions
Is GPT-4.1 better than Phi-3.5-mini?
GPT-4.1 has enough public results to be ranked (#219); Phi-3.5-mini does not yet, so treat this comparison as directional.
Is GPT-4.1 or Phi-3.5-mini better for coding?
They score almost the same on coding (34.4 vs 34.6); test both on your own repository before choosing.
How many benchmarks do GPT-4.1 and Phi-3.5-mini share?
0 benchmarks have published results for both models. GPT-4.1 has 52 scored results on Noometry and Phi-3.5-mini has 5.