Agnes 3.0 Flash vs Claude Opus 4.6
Agnes 3.0 Flash 
Claude Opus 4.6 Verdict
- Claude Opus 4.6 leads on quality: 63.7 vs 62.3.
- Agnes 3.0 Flash is stronger in agents & tools, composite, knowledge, long context, reasoning.
- Claude Opus 4.6 is stronger in coding, human preference, maths, multimodal.
- Agnes 3.0 Flash is 133× cheaper ($0.075 vs $10.00 per 1M blended).
| Metric | Agnes 3.0 Flash | Claude Opus 4.6 |
|---|---|---|
| BenchLeader Index | 62.3 | 63.7 |
| Agents & tools score | 76.8 | 67.8 |
| Composite score | 74.0 | – |
| Knowledge score | 59.1 | – |
| Long context score | 67.0 | – |
| Reasoning score | 71.1 | 62.6 |
| Coding score | – | 62.3 |
| Human preference score | – | 64.7 |
| Maths score | – | 68.7 |
| Multimodal score | – | 67.0 |
| Blended price $/M | $0.075 | $10.00 |
| Output speed | – | 34 tok/s |
| Time to first answer | – | 1.7 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% |
| Cybench | – | 93.0% |
| Remote Labor Index | – | 4.2% |
| WeirdML | – | 77.9% |
| APEX-Agents | – | 32.4% |
| FrontierCode | – | 26.6% |
| GSO-Bench | – | 33.3% |
| Epoch Capabilities Index | – | 155.3 |
| LMArena Text | – | 1497 |
| LMArena Hard Prompts | – | 1527 |
| LMArena Coding | – | 1546 |
| LMArena WebDev | – | 1537 |
| LMArena Vision | – | 1312 |
| AA Intelligence Index | 35.5 | – |
| AA-LCR | 81.0% | – |
| AA-Omniscience | -10.6 | – |
| GPQA Diamond (AA) | 92.4% | – |
| Humanity's Last Exam (AA) | 38.5% | – |
| SciCode (AA) | 51.6% | – |
| 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 | 15.1% | – |
| GDPval (AA) | 53.7% | – |
| τ²-Bench Banking (AA) | 47.6% | – |
| MedCode | – | 48.2% |
| MedScribe | – | 86.7% |
| Vibe Code Bench v1.1 | – | 57.6% |
| SWE Atlas: Codebase QnA | – | 33.3% |
| SWE Atlas: Refactoring | – | 35.6% |
| SWE Atlas: Test Writing | – | 36.7% |
| LMArena Maths | – | 1507 |
| LMArena Creative Writing | – | 1479 |
| LMArena Instruction Following | – | 1500 |
| LMArena Multi-turn | – | 1511 |
| LMArena Longer Queries | – | 1517 |
| 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 |
Data as of 2026-09-19. Best configuration of each model; every score links to its source on the model pages.
Agnes 3.0 Flash vs Claude Opus 4.6: questions
- Is Agnes 3.0 Flash better than Claude Opus 4.6?
- Claude Opus 4.6 leads on quality: 63.7 vs 62.3. The BenchLeader Index combines every independent quality benchmark; Claude Opus 4.6 is ahead overall as of 2026-09-19, but check the category scores for your use.
- Is Agnes 3.0 Flash better than Claude Opus 4.6 for agentic tasks?
- Agnes 3.0 Flash scores higher in agentic tasks (77 vs 68 on the category index, where 50 is average).
- Which is cheaper, Agnes 3.0 Flash or Claude Opus 4.6?
- Agnes 3.0 Flash is cheaper: $0.075 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.