Claude Opus 4.6 vs Gemini 4 Argon
Claude Opus 4.6 
Gemini 4 Argon Verdict
- Gemini 4 Argon (high) leads on quality: 70.0 vs 63.1.
- Claude Opus 4.6 is stronger in agents & tools, multimodal.
- Gemini 4 Argon (high) is stronger in coding, human preference, maths, reasoning, composite, knowledge, long context.
- Gemini 4 Argon (high) is 2.5× cheaper ($4.00 vs $10.00 per 1M blended).
| Metric | Claude Opus 4.6 | Gemini 4 Argon (high) |
|---|---|---|
| BenchLeader Index | 63.1 | 70.0 |
| Agents & tools score | 68.9 | 67.5 |
| Coding score | 60.1 | 72.1 |
| Human preference score | 64.4 | 73.2 |
| Maths score | 68.0 | 71.9 |
| Multimodal score | 66.4 | – |
| Reasoning score | 62.0 | 82.0 |
| Composite score | – | 89.2 |
| Knowledge score | – | 75.7 |
| Long context score | – | 65.0 |
| Blended price $/M | $10.00 | $4.00 |
| Output speed | 40 tok/s | – |
| Time to first answer | 1.6 s | – |
| Context window | 1M | 1M |
| GPQA Diamond | 90.5% | – |
| OTIS Mock AIME | 94.4% | – |
| SWE-bench Verified (Epoch) | 78.7% | – |
| Humanity's Last Exam | 19.0% | – |
| Terminal-Bench | 79.8% | – |
| SimpleBench | 67.6% | – |
| SciCode | – | 61.8% |
| Cybench | 93.0% | – |
| Remote Labor Index | 4.2% | – |
| WeirdML | 77.9% | – |
| FrontierCode | 26.6% | – |
| GSO-Bench | 33.3% | – |
| Epoch Capabilities Index | 155.2 | – |
| LMArena Text | 1498 | 1525 |
| LMArena Hard Prompts | 1527 | 1551 |
| LMArena Coding | 1548 | 1562 |
| LMArena WebDev | 1537 | 1678 |
| LMArena Vision | 1313 | – |
| LMArena Agent | – | 9.3 |
| AA Intelligence Index v4.3.2 | – | 52.6 |
| AA-LCR | – | 79.7% |
| AA-Omniscience | – | 42.4 |
| Humanity's Last Exam (AA) | – | 57.1% |
| SciCode (AA) | – | 61.8% |
| IOI | – | 100.0% |
| LegalBench | – | 88.3% |
| Vals Index | – | 68.9 |
| HiL-Bench | 38.3% | – |
| EQ-Bench 4 | 1223 | – |
| Kagi LLM Benchmark | 72.4% | – |
| SWE-bench Verified (bash only) | 75.6% | – |
| SWE-bench Verified (any scaffold) | 75.6% | – |
| CritPt | – | 27.1% |
| GDPval-AA v2.1 | – | 56.3% |
| BioMysteryBench | – | 76.3% |
| Code Migration | – | 68.2% |
| CUA-bench | – | 4.8% |
| CyberBench | – | 77.9% |
| Excel Modeling Benchmark | – | 75.2% |
| Finance Agent v2 | – | 65.4% |
| Harvey's Legal Agent Benchmark | – | 19.6% |
| Legal Research Bench | – | 54.8% |
| MedCode | 48.2% | 58.8% |
| MedScribe | 86.7% | 87.4% |
| MysteryMechanism | – | 45.5% |
| ProgramBench | – | 2.5% |
| Public Benefits Bench | – | 69.8% |
| SAGE | – | 53.6% |
| SREBench | – | 44.3% |
| Tax Agent Bench | – | 76.2% |
| Terminal-Bench 4.0 (Vals) | – | 57.6% |
| Terminal-Bench Science | – | 44.3% |
| Vibe Code Bench v1.1 | 57.6% | 91.9% |
| SWE Atlas: Codebase QnA | 33.3% | – |
| SWE Atlas: Refactoring | 35.6% | – |
| SWE Atlas: Test Writing | 36.7% | – |
| LMArena Maths | 1507 | 1528 |
| LMArena Creative Writing | 1479 | 1519 |
| LMArena Instruction Following | 1500 | 1529 |
| LMArena Multi-turn | 1512 | 1553 |
| LMArena Longer Queries | 1517 | 1545 |
| LMArena Document | 1494 | – |
| Chess Puzzles | 17.0% | – |
| Mystery Game Puzzles | 15.0% | – |
| CL-bench | 20.7% | – |
| CL-bench Life | 13.6% | – |
| METR Time Horizons | 78.9% | – |
| ForecastBench | 60.0% | – |
| GBAEval | 44.1% | – |
| ALE-Bench | 996.5 | – |
| Vending-Bench 2 | 8017.6 | – |
| FrontierSWE | – | 55.0% |
| Terminal-Bench 4.0 (AA) | – | 57.1% |
| AutomationBench | – | 77.5% |
| GDP.pdf | – | 21.8% |
| AA-Omniscience: accuracy | – | 49.9% |
| AA-Omniscience: non-hallucination | – | 84.9% |
| AA-Briefcase v1.1 | – | 1488 |
Data as of 2026-10-11. Best configuration of each model; every score links to its source on the model pages.
Claude Opus 4.6 vs Gemini 4 Argon: questions
- Is Claude Opus 4.6 better than Gemini 4 Argon?
- Gemini 4 Argon (high) leads on quality: 70.0 vs 63.1. The BenchLeader Index combines every independent quality benchmark; Gemini 4 Argon (high) is ahead overall as of 2026-10-11, but check the category scores for your use.
- Is Claude Opus 4.6 better than Gemini 4 Argon for coding?
- Gemini 4 Argon scores higher in coding (72 vs 60 on the category index, where 50 is average).
- Is Claude Opus 4.6 better than Gemini 4 Argon for agentic tasks?
- Claude Opus 4.6 scores higher in agentic tasks (69 vs 68 on the category index, where 50 is average).
- Which is cheaper, Claude Opus 4.6 or Gemini 4 Argon?
- Gemini 4 Argon is cheaper: $4.00 against $10.00 per million tokens, blended at three input tokens per output token.
- Which has the larger context window?
- Both accept 1M tokens of context.