Model comparison
Claude Sonnet 4.5 vs Gemma 3n E4b IT
Claude Sonnet 4.5 is the stronger model overall, scoring 44.1 to 37.3 on the Noometry Index.
Last verified . 18 shared benchmarks.
GoogleSummary
- They share 18 benchmarks with published results for both. Claude Sonnet 4.5 scores higher in 7 categories and Gemma 3n E4b IT in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Claude Sonnet 4.5 leads 66.5 to 50.1.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 57.9% for Claude Sonnet 4.5 and 31.5% for Gemma 3n E4b IT.
- Gemma 3n E4b IT has downloadable open weights; the other is API-only.
Side by side
| Claude Sonnet 4.5 | Gemma 3n E4b IT | |
|---|---|---|
| Provider | Anthropic | |
| Noometry Index | 44.1 | 37.3 |
| Released | 2025-09-29 | — |
| Weights | Proprietary | Open |
| Context window | 200K | — |
| Max output | 64K | — |
| Input $ / M tokens | $3 | — |
| Output $ / M tokens | $15 | — |
| Results tracked | 73 | 18 |
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Category by category
Coding Claude Sonnet 4.5 leads
Claude Sonnet 4.5: 47.3 (#61), Gemma 3n E4b IT: 37.0 (#198)
| Benchmark | Claude Sonnet 4.5 | Gemma 3n E4b IT |
|---|---|---|
| LMArena Coding | 1489 | 1268 |
| SWE-bench Verified | 71.3% | — |
| SWE-bench Verified (bash only) | 71.4% | — |
| LMArena WebDev | 1393 | — |
| SWE-bench Multilingual | 67% | — |
| SciCode | 44.7% | — |
| GSO | 14.7% | — |
| WeirdML | 47.7% | — |
| ALE-Bench | 796.15 | — |
| AlgoTune | 1.52 | — |
Agentic & Tool Use Not comparable
Claude Sonnet 4.5: 38.3 (#32), Gemma 3n E4b IT: —
| Benchmark | Claude Sonnet 4.5 | Gemma 3n E4b IT |
|---|---|---|
| Terminal-Bench | 46.5% | — |
| Berkeley Function Calling Leaderboard | 73.2% | — |
| GDPval | 42.5% | — |
| Remote Labor Index | 2.1% | — |
| τ²-bench Airline | 72% | — |
| τ²-bench Banking | 25.3% | — |
| τ²-bench Retail | 72.4% | — |
| τ²-bench Telecom | 84.9% | — |
| Cybench | 60% | — |
| DeepResearch Bench | 52.6% | — |
| OSWorld | 62.9% | — |
| LMArena Search | 1159 | — |
| METR Time Horizons | 67.4% | — |
| Vending-Bench 2 | 3,839 | — |
Reasoning Claude Sonnet 4.5 leads
Claude Sonnet 4.5: 26.9 (#125), Gemma 3n E4b IT: 19.9 (#247)
| Benchmark | Claude Sonnet 4.5 | Gemma 3n E4b IT |
|---|---|---|
| Kagi LLM Benchmark | 57.9% | 31.5% |
| LMArena Hard Prompts | 1462 | 1284 |
| ARC-AGI-2 | 13.6% | — |
| SimpleBench | 54.3% | — |
| NYT Connections (extended) | 37.3% | — |
| ARC-AGI-1 | 63.7% | — |
| CritPt | 1.1% | — |
| Chess Puzzles | 12% | — |
| EnigmaEval | 6% | — |
| EBR-Bench | 2.4% | — |
| Mystery Game Puzzles | 17% | — |
| DTBench | 83.2% | — |
| LMCA | 38.8% | — |
| Epoch Capabilities Index | 146.84 | — |
| ForecastBench | 61.9 | — |
Math Gemma 3n E4b IT leads
Claude Sonnet 4.5: 32.3 (#216), Gemma 3n E4b IT: 35.1 (#188)
| Benchmark | Claude Sonnet 4.5 | Gemma 3n E4b IT |
|---|---|---|
| LMArena Math | 1449 | 1251 |
| FrontierMath (Tiers 1-3) | 23.9% | — |
| FrontierMath Tier 4 | 2.4% | — |
| OTIS Mock AIME 2024-2025 | 77.8% | — |
| ProofBench | 19% | — |
| Omni-MATH | 55.3% | — |
| MATH Level 5 | 97.7% | — |
| FrontierMath (Feb 2025 set) | 15.2% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Claude Sonnet 4.5 leads
Claude Sonnet 4.5: 48.4 (#76), Gemma 3n E4b IT: 34.2 (#198)
| Benchmark | Claude Sonnet 4.5 | Gemma 3n E4b IT |
|---|---|---|
| LMArena Expert | 1482 | 1246 |
| GPQA Diamond | 82.3% | — |
| Humanity's Last Exam | 13.7% | — |
| SimpleQA Verified | 30.7% | — |
| MMLU-Pro | 86.9% | — |
| Vectara Hallucination Rate | 12% | — |
| GPQA (HELM) | 68.6% | — |
Multimodal Not comparable
Claude Sonnet 4.5: 34.8 (#89), Gemma 3n E4b IT: —
| Benchmark | Claude Sonnet 4.5 | Gemma 3n E4b IT |
|---|---|---|
| VPCT | 39.8% | — |
| LMArena Document | 1450 | — |
Multilingual Claude Sonnet 4.5 leads
Claude Sonnet 4.5: 53.4 (#69), Gemma 3n E4b IT: 43.4 (#183)
| Benchmark | Claude Sonnet 4.5 | Gemma 3n E4b IT |
|---|---|---|
| LMArena Non-English | 1425 | 1285 |
| LMArena Chinese | 1459 | 1309 |
| LMArena French | 1458 | 1330 |
| LMArena German | 1427 | 1311 |
| LMArena Japanese | 1390 | 1272 |
| LMArena Korean | 1403 | 1259 |
| LMArena Russian | 1437 | 1288 |
| LMArena Spanish | 1457 | 1305 |
Instruction Following Claude Sonnet 4.5 leads
Claude Sonnet 4.5: 75.0 (#78), Gemma 3n E4b IT: 66.1 (#210)
| Benchmark | Claude Sonnet 4.5 | Gemma 3n E4b IT |
|---|---|---|
| LMArena Instruction Following | 1459 | 1255 |
| IFEval | 85% | — |
Long Context Claude Sonnet 4.5 leads
Claude Sonnet 4.5: 45.2 (#46), Gemma 3n E4b IT: 38.7 (#191)
| Benchmark | Claude Sonnet 4.5 | Gemma 3n E4b IT |
|---|---|---|
| LMArena Longer Query | 1476 | 1276 |
Writing & Preference Claude Sonnet 4.5 leads
Claude Sonnet 4.5: 66.5 (#34), Gemma 3n E4b IT: 50.1 (#186)
| Benchmark | Claude Sonnet 4.5 | Gemma 3n E4b IT |
|---|---|---|
| LMArena Text | 1439 | 1306 |
| LMArena Creative Writing | 1442 | 1287 |
| LMArena Multi-Turn | 1465 | 1276 |
| EQ-Bench Creative Writing | 1678 | — |
| WildBench | 85.4% | — |
Frequently asked questions
Is Claude Sonnet 4.5 better than Gemma 3n E4b IT?
Claude Sonnet 4.5 is the stronger model overall, scoring 44.1 to 37.3 on the Noometry Index.
Is Claude Sonnet 4.5 or Gemma 3n E4b IT better for coding?
Claude Sonnet 4.5 scores higher on coding benchmarks: 47.3 versus 37.0 in the Noometry coding category.
How many benchmarks do Claude Sonnet 4.5 and Gemma 3n E4b IT share?
18 benchmarks have published results for both models. Claude Sonnet 4.5 has 73 scored results on Noometry and Gemma 3n E4b IT has 18.