Model comparison
Claude Opus 4.5 vs Gemma 3 4B
Claude Opus 4.5 is the stronger model overall, scoring 50.5 to 28.1 on the Noometry Index. Gemma 3 4B costs 200× less per token, which makes it the better buy when Claude Opus 4.5's lead doesn't matter for your workload.
Last verified . 22 shared benchmarks.
GoogleSummary
- They share 22 benchmarks with published results for both. Claude Opus 4.5 scores higher in 9 categories and Gemma 3 4B in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Claude Opus 4.5 leads 56.5 to 11.8.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 86.1% for Claude Opus 4.5 and 7.5% for Gemma 3 4B.
- Gemma 3 4B is cheaper at $0.04 / $0.08 per million input/output tokens, against $5 / $25 for Claude Opus 4.5.
- Claude Opus 4.5 accepts more context: 200K tokens versus 131K.
- Gemma 3 4B has downloadable open weights; the other is API-only.
Side by side
| Claude Opus 4.5 | Gemma 3 4B | |
|---|---|---|
| Provider | Anthropic | |
| Noometry Index | 50.5 | 28.1 |
| Released | 2025-11-01 | 2025-03-12 |
| Weights | Proprietary | Open |
| Context window | 200K | 131K |
| Max output | 64K | 4K |
| Input $ / M tokens | $5 | $0.04 |
| Output $ / M tokens | $25 | $0.08 |
| Results tracked | 69 | 22 |
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Category by category
Coding Claude Opus 4.5 leads
Claude Opus 4.5: 54.8 (#27), Gemma 3 4B: 35.9 (#215)
| Benchmark | Claude Opus 4.5 | Gemma 3 4B |
|---|---|---|
| LMArena Coding | 1504 | 1230 |
| SWE-bench Verified | 76.7% | — |
| SWE-bench Verified (bash only) | 76.8% | — |
| LMArena WebDev | 1494 | — |
| SWE-bench Multilingual | 70.7% | — |
| GSO | 26.5% | — |
| WeirdML | 63.7% | — |
| ALE-Bench | 1,025 | — |
| AlgoTune | 1.77 | — |
Agentic & Tool Use Claude Opus 4.5 leads
Claude Opus 4.5: 47.3 (#12), Gemma 3 4B: 20.9 (#142)
| Benchmark | Claude Opus 4.5 | Gemma 3 4B |
|---|---|---|
| Berkeley Function Calling Leaderboard | 77.5% | 19.6% |
| Terminal-Bench | 63.1% | — |
| GDPval | 45.5% | — |
| Remote Labor Index | 3.8% | — |
| τ²-bench Airline | 84% | — |
| τ²-bench Banking | 24.7% | — |
| τ²-bench Retail | 79.6% | — |
| τ²-bench Telecom | 92.3% | — |
| Cybench | 82% | — |
| DeepResearch Bench | 54.8% | — |
| OSWorld | 66.3% | — |
| BALROG | 43.5% | — |
| LMArena Search | 1180 | — |
| METR Time Horizons | 75% | — |
| Vending-Bench 2 | 4,967 | — |
Reasoning Claude Opus 4.5 leads
Claude Opus 4.5: 42.6 (#51), Gemma 3 4B: 13.2 (#335)
| Benchmark | Claude Opus 4.5 | Gemma 3 4B |
|---|---|---|
| Kagi LLM Benchmark | 80.2% | 25.2% |
| Chess Puzzles | 12% | 0% |
| LMArena Hard Prompts | 1476 | 1253 |
| DTBench | 89.9% | 50.9% |
| LMCA | 44.5% | 2.8% |
| Epoch Capabilities Index | 150.09 | 116.02 |
| ARC-AGI-2 | 37.6% | — |
| SimpleBench | 62% | — |
| NYT Connections (extended) | 52.5% | — |
| ARC-AGI-1 | 80% | — |
| EnigmaEval | 11.9% | — |
| EBR-Bench | 14.3% | — |
| Mystery Game Puzzles | 22% | — |
| ForecastBench | 60.7 | — |
Math Claude Opus 4.5 leads
Claude Opus 4.5: 38.6 (#132), Gemma 3 4B: 16.8 (#292)
| Benchmark | Claude Opus 4.5 | Gemma 3 4B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 86.1% | 7.5% |
| LMArena Math | 1463 | 1239 |
| FrontierMath (Tiers 1-3) | 34.4% | — |
| FrontierMath Tier 4 | 4.9% | — |
| ProofBench | 36% | — |
| FrontierMath (Feb 2025 set) | 20.7% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Claude Opus 4.5 leads
Claude Opus 4.5: 56.5 (#44), Gemma 3 4B: 11.8 (#299)
| Benchmark | Claude Opus 4.5 | Gemma 3 4B |
|---|---|---|
| GPQA Diamond | 86% | 23.2% |
| Vectara Hallucination Rate | 10.9% | 6.4% |
| LMArena Expert | 1487 | 1223 |
| Humanity's Last Exam | 25.2% | — |
| SimpleQA Verified | 45.7% | — |
Multimodal Not comparable
Claude Opus 4.5: 31.4 (#107), Gemma 3 4B: —
| Benchmark | Claude Opus 4.5 | Gemma 3 4B |
|---|---|---|
| GeoBench | 75% | — |
| VPCT | 40% | — |
| Furniture Assembly | 28.3% | — |
| LMArena Document | 1462 | — |
Multilingual Claude Opus 4.5 leads
Claude Opus 4.5: 54.3 (#47), Gemma 3 4B: 42.5 (#194)
| Benchmark | Claude Opus 4.5 | Gemma 3 4B |
|---|---|---|
| LMArena Non-English | 1438 | 1273 |
| LMArena German | 1449 | 1281 |
| LMArena Russian | 1447 | 1294 |
| LMArena Chinese | 1470 | — |
| LMArena French | 1471 | — |
| LMArena Japanese | 1416 | — |
| LMArena Korean | 1424 | — |
| LMArena Spanish | 1458 | — |
Instruction Following Claude Opus 4.5 leads
Claude Opus 4.5: 77.5 (#19), Gemma 3 4B: 65.2 (#225)
| Benchmark | Claude Opus 4.5 | Gemma 3 4B |
|---|---|---|
| LMArena Instruction Following | 1478 | 1239 |
Long Context Claude Opus 4.5 leads
Claude Opus 4.5: 46.5 (#22), Gemma 3 4B: 38.7 (#194)
| Benchmark | Claude Opus 4.5 | Gemma 3 4B |
|---|---|---|
| LMArena Longer Query | 1480 | 1273 |
| CL-bench | 21.1% | — |
Writing & Preference Claude Opus 4.5 leads
Claude Opus 4.5: 68.1 (#28), Gemma 3 4B: 42.0 (#239)
| Benchmark | Claude Opus 4.5 | Gemma 3 4B |
|---|---|---|
| LMArena Text | 1451 | 1291 |
| LMArena Creative Writing | 1445 | 1271 |
| EQ-Bench Creative Writing | 1687 | 1068 |
| LMArena Multi-Turn | 1466 | 1255 |
Frequently asked questions
Is Claude Opus 4.5 better than Gemma 3 4B?
Claude Opus 4.5 is the stronger model overall, scoring 50.5 to 28.1 on the Noometry Index. Gemma 3 4B costs 200× less per token, which makes it the better buy when Claude Opus 4.5's lead doesn't matter for your workload.
Which is cheaper, Claude Opus 4.5 or Gemma 3 4B?
Gemma 3 4B is cheaper. It lists at $0.04 per million input tokens and $0.08 per million output tokens; Claude Opus 4.5 lists at $5 and $25.
Is Claude Opus 4.5 or Gemma 3 4B better for coding?
Claude Opus 4.5 scores higher on coding benchmarks: 54.8 versus 35.9 in the Noometry coding category.
Which has the bigger context window?
Claude Opus 4.5 does, with 200K tokens against 131K.
How many benchmarks do Claude Opus 4.5 and Gemma 3 4B share?
22 benchmarks have published results for both models. Claude Opus 4.5 has 69 scored results on Noometry and Gemma 3 4B has 22.