Gemini 3.5 Flash vs Gemini 4 Argon
Gemini 3.5 Flash Verdict
- Gemini 4 Argon (high) leads on quality: 70.0 vs 63.0.
- Gemini 3.5 Flash (medium) is stronger in agents & tools, instruction following, multimodal.
- Gemini 4 Argon (high) is stronger in coding, composite, human preference, knowledge, long context, maths, reasoning.
- Gemini 3.5 Flash (medium) is 1.2× cheaper ($3.38 vs $4.00 per 1M blended).
| Metric | Gemini 3.5 Flash (medium) | Gemini 4 Argon (high) |
|---|---|---|
| BenchLeader Index | 63.0 | 70.0 |
| Agents & tools score | 67.9 | 67.5 |
| Coding score | 56.8 | 72.1 |
| Composite score | 67.6 | 89.2 |
| Human preference score | 67.1 | 73.2 |
| Instruction following score | 72.7 | – |
| Knowledge score | 71.1 | 75.7 |
| Long context score | 62.3 | 65.0 |
| Maths score | 66.8 | 71.9 |
| Multimodal score | 66.5 | – |
| Reasoning score | 61.7 | 82.0 |
| Blended price $/M | $3.38 | $4.00 |
| Output speed | 206 tok/s | – |
| Time to first answer | 13.6 s | – |
| Context window | 1.0M | 1M |
| SciCode | – | 61.8% |
| LMArena Text | 1476 | 1525 |
| LMArena Hard Prompts | 1495 | 1551 |
| LMArena Coding | 1506 | 1562 |
| LMArena WebDev | 1491 | 1678 |
| LMArena Vision | 1309 | – |
| LMArena Agent | – | 9.3 |
| AA Intelligence Index v4.3.2 | 33.6 | 52.6 |
| IFBench | 74.6% | – |
| AA-LCR | 74.3% | 79.7% |
| MMMU-Pro | 83.9% | – |
| AA-Omniscience | 20.8 | 42.4 |
| Terminal-Bench Hard | 39.4% | – |
| GPQA Diamond (AA) | 92.1% | – |
| Humanity's Last Exam (AA) | 41.3% | 57.1% |
| SciCode (AA) | – | 61.8% |
| τ²-Bench Telecom (AA) | 95.6% | – |
| IOI | – | 100.0% |
| LegalBench | – | 88.3% |
| Vals Index | – | 68.9 |
| CritPt | 10.9% | 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 | – | 58.8% |
| MedScribe | – | 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 | – | 91.9% |
| LMArena Maths | 1482 | 1528 |
| LMArena Creative Writing | 1469 | 1519 |
| LMArena Instruction Following | 1466 | 1529 |
| LMArena Multi-turn | 1478 | 1553 |
| LMArena Longer Queries | 1480 | 1545 |
| LMArena Document | 1461 | – |
| Surface Evolver Bench | 58.1% | – |
| DeepSWE v1.1 | 37.4% | – |
| GDP.pdf | 14.0% | – |
| FrontierSWE | – | 55.0% |
| Terminal-Bench 4.0 (AA) | – | 57.1% |
| AutomationBench | – | 77.5% |
| GDP.pdf | – | 21.8% |
| AA-Omniscience: accuracy | 51.0% | 49.9% |
| AA-Omniscience: non-hallucination | 38.2% | 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.
Gemini 3.5 Flash vs Gemini 4 Argon: questions
- Is Gemini 3.5 Flash better than Gemini 4 Argon?
- Gemini 4 Argon (high) leads on quality: 70.0 vs 63.0. 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 Gemini 3.5 Flash better than Gemini 4 Argon for coding?
- Gemini 4 Argon scores higher in coding (72 vs 57 on the category index, where 50 is average).
- Is Gemini 3.5 Flash better than Gemini 4 Argon for agentic tasks?
- Gemini 3.5 Flash scores higher in agentic tasks (68 vs 68 on the category index, where 50 is average).
- Which is cheaper, Gemini 3.5 Flash or Gemini 4 Argon?
- Gemini 3.5 Flash is cheaper: $3.38 against $4.00 per million tokens, blended at three input tokens per output token.
- Which has the larger context window?
- Gemini 3.5 Flash accepts more context: 1.0M against 1M tokens.