Gemma 3 27B OPEN WEIGHTS · Google DeepMind, released 2025-03-12
Phi-4 OPEN WEIGHTS · Microsoft Research, released 2024-12-12
“Epoch AI, 'AI Benchmarking Hub'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks' [online resource].” · epoch.ai/benchmarks · Licensed CC BY 4.0 · data last verified 2026-07-26 · Methodology · Data Sources
Measured on 4 of 9 tracked benchmarks for both models — Gemma 3 27B leads on 2, Phi-4 leads on 2.
| Benchmark | Gemma 3 27B | Phi-4 | Leads |
|---|---|---|---|
| Epoch Capabilities Index (ECI) | 131.1 | 131.1 | Phi-4 |
| SWE-bench Verified | Not measured | Not measured | Not measured on both |
| GPQA Diamond | 0.489 | 0.561 | Phi-4 |
| MATH Level 5 | 0.740 | 0.649 | Gemma 3 27B |
| OTIS Mock AIME 2024-2025 | 0.197 | 0.138 | Gemma 3 27B |
| FrontierMath | Not measured | Not measured | Not measured on both |
| FrontierMath Tier 4 | Not measured | Not measured | Not measured on both |
| SimpleQA Verified | Not measured | Not measured | Not measured on both |
| Chess Puzzles | Not measured | Not measured | Not measured on both |