Model comparison
Claude Opus 4.8 vs Gemini 4 Argon
Claude Opus 4.8 is the stronger model overall, scoring 60.7 to 56.5 on the Noometry Index.
Last verified . 20 shared benchmarks.
GoogleSummary
- They share 20 benchmarks with published results for both. Claude Opus 4.8 scores higher in 4 categories and Gemini 4 Argon in 6 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Claude Opus 4.8 leads 64.7 to 44.2.
- The biggest single-benchmark swing is Blueprint-Bench 2: 14.5% for Claude Opus 4.8 and 54.4% for Gemini 4 Argon.
Side by side
| Claude Opus 4.8 | Gemini 4 Argon | |
|---|---|---|
| Provider | Anthropic | |
| Noometry Index | 60.7 | 56.5 |
| Released | 2026-05-28 | 2026-09-30 |
| Weights | Proprietary | Proprietary |
| Context window | 1M | — |
| Max output | 128K | — |
| Input $ / M tokens | $5 | — |
| Output $ / M tokens | $25 | — |
| Results tracked | 65 | 21 |
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Category by category
Coding Gemini 4 Argon leads
Claude Opus 4.8: 59.9 (#12), Gemini 4 Argon: 62.0 (#9)
| Benchmark | Claude Opus 4.8 | Gemini 4 Argon |
|---|---|---|
| LMArena WebDev | 1556 | 1678 |
| SciCode | 53.5% | 61.8% |
| LMArena Coding | 1490 | 1550 |
| DeepSWE | 59% | — |
| FrontierCode | 46.5% | — |
| FrontierSWE | — | 55% |
| GSO | 47.1% | — |
| WeirdML | 82.9% | — |
| ALE-Bench | 1,564 | — |
Agentic & Tool Use Gemini 4 Argon leads
Claude Opus 4.8: 47.6 (#11), Gemini 4 Argon: 49.2 (#8)
| Benchmark | Claude Opus 4.8 | Gemini 4 Argon |
|---|---|---|
| APEX-Agents | 48.9% | 82.2% |
| Vending-Bench 2 | 5,787 | 13,718 |
| OSWorld 2.0 | 20.6% | — |
| Remote Labor Index | 8.3% | — |
| τ²-bench Banking | 39.7% | — |
| DeepResearch Bench | 50.2% | — |
| PostTrainBench | 33.8% | — |
| GBAEval | 70.9% | — |
| GDP.pdf | 24% | — |
| LMArena Search | 1204 | — |
Reasoning Claude Opus 4.8 leads
Claude Opus 4.8: 64.7 (#16), Gemini 4 Argon: 44.2 (#47)
| Benchmark | Claude Opus 4.8 | Gemini 4 Argon |
|---|---|---|
| CritPt | 20.9% | 27.1% |
| LMArena Hard Prompts | 1482 | 1548 |
| ARC-AGI-2 | 72.1% | — |
| SimpleBench | 64.8% | — |
| Kagi LLM Benchmark | 88.8% | — |
| NYT Connections (extended) | 91.1% | — |
| ARC-AGI-1 | 92.5% | — |
| Chess Puzzles | 34% | — |
| EnigmaEval | 23.5% | — |
| EBR-Bench | 28.6% | — |
| Mystery Game Puzzles | 36% | — |
| DTBench | 94.9% | — |
| LMCA | 57.5% | — |
| Surface Evolver Bench | 87.5% | — |
| Bench to the Future 3 | 0.14 | — |
| Epoch Capabilities Index | 158.21 | — |
| ForecastBench | 59.9 | — |
Math Claude Opus 4.8 leads
Claude Opus 4.8: 78.4 (#13), Gemini 4 Argon: 73.9 (#17)
| Benchmark | Claude Opus 4.8 | Gemini 4 Argon |
|---|---|---|
| ProofBench | 69% | 99% |
| LMArena Math | 1487 | 1536 |
| FrontierMath (Tiers 1-3) | 80% | — |
| FrontierMath Tier 4 | 56.1% | — |
| MathArena Final-Answer Competitions | 91.8% | — |
| OTIS Mock AIME 2024-2025 | 98.3% | — |
| FrontierMath (Feb 2025 set) | 47.2% | — |
| FrontierMath Tier 4 (v1) | 31.3% | — |
Knowledge Claude Opus 4.8 leads
Claude Opus 4.8: 61.3 (#29), Gemini 4 Argon: 43.9 (#89)
| Benchmark | Claude Opus 4.8 | Gemini 4 Argon |
|---|---|---|
| LMArena Expert | 1502 | 1553 |
| GPQA Diamond | 91% | — |
| SimpleQA Verified | 53% | — |
Multimodal Gemini 4 Argon leads
Claude Opus 4.8: 42.9 (#26), Gemini 4 Argon: 46.5 (#14)
| Benchmark | Claude Opus 4.8 | Gemini 4 Argon |
|---|---|---|
| Blueprint-Bench 2 | 14.5% | 54.4% |
| LMArena Vision | 1294 | — |
| Furniture Assembly | 42.5% | — |
| LMArena Document | 1475 | — |
Multilingual Gemini 4 Argon leads
Claude Opus 4.8: 55.2 (#33), Gemini 4 Argon: 60.3 (#1)
| Benchmark | Claude Opus 4.8 | Gemini 4 Argon |
|---|---|---|
| LMArena Non-English | 1450 | 1523 |
| LMArena Chinese | 1507 | 1610 |
| LMArena Russian | 1474 | 1537 |
| LMArena Spanish | 1466 | 1497 |
| LMArena French | 1481 | — |
| LMArena German | 1472 | — |
| LMArena Japanese | 1440 | — |
| LMArena Korean | 1432 | — |
Instruction Following Gemini 4 Argon leads
Claude Opus 4.8: 77.4 (#24), Gemini 4 Argon: 80.1 (#2)
| Benchmark | Claude Opus 4.8 | Gemini 4 Argon |
|---|---|---|
| LMArena Instruction Following | 1476 | 1538 |
Long Context Gemini 4 Argon leads
Claude Opus 4.8: 45.4 (#35), Gemini 4 Argon: 47.6 (#15)
| Benchmark | Claude Opus 4.8 | Gemini 4 Argon |
|---|---|---|
| LMArena Longer Query | 1483 | 1549 |
Writing & Preference Too close to call
Claude Opus 4.8: 72.0 (#16), Gemini 4 Argon: 71.4 (#19)
| Benchmark | Claude Opus 4.8 | Gemini 4 Argon |
|---|---|---|
| LMArena Text | 1461 | 1534 |
| LMArena Creative Writing | 1454 | 1531 |
| LMArena Multi-Turn | 1476 | 1557 |
| EQ-Bench Creative Writing | 1840 | — |
| EQ-Bench 4 | 1281 | — |
Frequently asked questions
Is Claude Opus 4.8 better than Gemini 4 Argon?
Claude Opus 4.8 is the stronger model overall, scoring 60.7 to 56.5 on the Noometry Index.
Is Claude Opus 4.8 or Gemini 4 Argon better for coding?
Gemini 4 Argon scores higher on coding benchmarks: 62.0 versus 59.9 in the Noometry coding category.
How many benchmarks do Claude Opus 4.8 and Gemini 4 Argon share?
20 benchmarks have published results for both models. Claude Opus 4.8 has 65 scored results on Noometry and Gemini 4 Argon has 21.