Model comparison
Claude Opus 4.5 vs Gemini 4 Argon
Gemini 4 Argon is the stronger model overall, scoring 56.5 to 50.5 on the Noometry Index.
Last verified . 16 shared benchmarks.
GoogleSummary
- They share 16 benchmarks with published results for both. Claude Opus 4.5 scores higher in 1 category and Gemini 4 Argon in 9 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemini 4 Argon leads 73.9 to 38.6.
- The biggest single-benchmark swing is ProofBench: 36% for Claude Opus 4.5 and 99% for Gemini 4 Argon.
Side by side
| Claude Opus 4.5 | Gemini 4 Argon | |
|---|---|---|
| Provider | Anthropic | |
| Noometry Index | 50.5 | 56.5 |
| Released | 2025-11-01 | 2026-09-30 |
| Weights | Proprietary | Proprietary |
| Context window | 200K | — |
| Max output | 64K | — |
| Input $ / M tokens | $5 | — |
| Output $ / M tokens | $25 | — |
| Results tracked | 69 | 21 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Gemini 4 Argon leads
Claude Opus 4.5: 54.8 (#27), Gemini 4 Argon: 62.0 (#9)
| Benchmark | Claude Opus 4.5 | Gemini 4 Argon |
|---|---|---|
| LMArena WebDev | 1494 | 1678 |
| LMArena Coding | 1504 | 1550 |
| SWE-bench Verified | 76.7% | — |
| SWE-bench Verified (bash only) | 76.8% | — |
| SWE-bench Multilingual | 70.7% | — |
| FrontierSWE | — | 55% |
| SciCode | — | 61.8% |
| GSO | 26.5% | — |
| WeirdML | 63.7% | — |
| ALE-Bench | 1,025 | — |
| AlgoTune | 1.77 | — |
Agentic & Tool Use Gemini 4 Argon leads
Claude Opus 4.5: 47.3 (#12), Gemini 4 Argon: 49.2 (#8)
| Benchmark | Claude Opus 4.5 | Gemini 4 Argon |
|---|---|---|
| Vending-Bench 2 | 4,967 | 13,718 |
| Terminal-Bench | 63.1% | — |
| APEX-Agents | — | 82.2% |
| Berkeley Function Calling Leaderboard | 77.5% | — |
| 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% | — |
Reasoning Gemini 4 Argon leads
Claude Opus 4.5: 42.6 (#51), Gemini 4 Argon: 44.2 (#47)
| Benchmark | Claude Opus 4.5 | Gemini 4 Argon |
|---|---|---|
| LMArena Hard Prompts | 1476 | 1548 |
| ARC-AGI-2 | 37.6% | — |
| SimpleBench | 62% | — |
| Kagi LLM Benchmark | 80.2% | — |
| NYT Connections (extended) | 52.5% | — |
| ARC-AGI-1 | 80% | — |
| CritPt | — | 27.1% |
| Chess Puzzles | 12% | — |
| EnigmaEval | 11.9% | — |
| EBR-Bench | 14.3% | — |
| Mystery Game Puzzles | 22% | — |
| DTBench | 89.9% | — |
| LMCA | 44.5% | — |
| Epoch Capabilities Index | 150.09 | — |
| ForecastBench | 60.7 | — |
Math Gemini 4 Argon leads
Claude Opus 4.5: 38.6 (#132), Gemini 4 Argon: 73.9 (#17)
| Benchmark | Claude Opus 4.5 | Gemini 4 Argon |
|---|---|---|
| ProofBench | 36% | 99% |
| LMArena Math | 1463 | 1536 |
| FrontierMath (Tiers 1-3) | 34.4% | — |
| FrontierMath Tier 4 | 4.9% | — |
| OTIS Mock AIME 2024-2025 | 86.1% | — |
| 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), Gemini 4 Argon: 43.9 (#89)
| Benchmark | Claude Opus 4.5 | Gemini 4 Argon |
|---|---|---|
| LMArena Expert | 1487 | 1553 |
| GPQA Diamond | 86% | — |
| Humanity's Last Exam | 25.2% | — |
| SimpleQA Verified | 45.7% | — |
| Vectara Hallucination Rate | 10.9% | — |
Multimodal Gemini 4 Argon leads
Claude Opus 4.5: 31.4 (#107), Gemini 4 Argon: 46.5 (#14)
| Benchmark | Claude Opus 4.5 | Gemini 4 Argon |
|---|---|---|
| GeoBench | 75% | — |
| VPCT | 40% | — |
| Blueprint-Bench 2 | — | 54.4% |
| Furniture Assembly | 28.3% | — |
| LMArena Document | 1462 | — |
Multilingual Gemini 4 Argon leads
Claude Opus 4.5: 54.3 (#47), Gemini 4 Argon: 60.3 (#1)
| Benchmark | Claude Opus 4.5 | Gemini 4 Argon |
|---|---|---|
| LMArena Non-English | 1438 | 1523 |
| LMArena Chinese | 1470 | 1610 |
| LMArena Russian | 1447 | 1537 |
| LMArena Spanish | 1458 | 1497 |
| LMArena French | 1471 | — |
| LMArena German | 1449 | — |
| LMArena Japanese | 1416 | — |
| LMArena Korean | 1424 | — |
Instruction Following Gemini 4 Argon leads
Claude Opus 4.5: 77.5 (#19), Gemini 4 Argon: 80.1 (#2)
| Benchmark | Claude Opus 4.5 | Gemini 4 Argon |
|---|---|---|
| LMArena Instruction Following | 1478 | 1538 |
Long Context Gemini 4 Argon leads
Claude Opus 4.5: 46.5 (#22), Gemini 4 Argon: 47.6 (#15)
| Benchmark | Claude Opus 4.5 | Gemini 4 Argon |
|---|---|---|
| LMArena Longer Query | 1480 | 1549 |
| CL-bench | 21.1% | — |
Writing & Preference Gemini 4 Argon leads
Claude Opus 4.5: 68.1 (#28), Gemini 4 Argon: 71.4 (#19)
| Benchmark | Claude Opus 4.5 | Gemini 4 Argon |
|---|---|---|
| LMArena Text | 1451 | 1534 |
| LMArena Creative Writing | 1445 | 1531 |
| LMArena Multi-Turn | 1466 | 1557 |
| EQ-Bench Creative Writing | 1687 | — |
Frequently asked questions
Is Claude Opus 4.5 better than Gemini 4 Argon?
Gemini 4 Argon is the stronger model overall, scoring 56.5 to 50.5 on the Noometry Index.
Is Claude Opus 4.5 or Gemini 4 Argon better for coding?
Gemini 4 Argon scores higher on coding benchmarks: 62.0 versus 54.8 in the Noometry coding category.
How many benchmarks do Claude Opus 4.5 and Gemini 4 Argon share?
16 benchmarks have published results for both models. Claude Opus 4.5 has 69 scored results on Noometry and Gemini 4 Argon has 21.