Model comparison
Gemini 3.5 Flash vs Gemini 4 Argon
Gemini 4 Argon is the stronger model overall, scoring 56.5 to 54.2 on the Noometry Index.
Last verified . 20 shared benchmarks.
GoogleSummary
- They share 20 benchmarks with published results for both. Gemini 3.5 Flash scores higher in 2 categories and Gemini 4 Argon in 8 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in agentic & tool use, where Gemini 4 Argon leads 49.2 to 24.7.
- The biggest single-benchmark swing is ProofBench: 31% for Gemini 3.5 Flash and 99% for Gemini 4 Argon.
Side by side
| Gemini 3.5 Flash | Gemini 4 Argon | |
|---|---|---|
| Provider | ||
| Noometry Index | 54.2 | 56.5 |
| Released | 2026-05-19 | 2026-09-30 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | — |
| Max output | 66K | — |
| Input $ / M tokens | $1.50 | — |
| Output $ / M tokens | $9 | — |
| Results tracked | 54 | 21 |
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Category by category
Coding Gemini 4 Argon leads
Gemini 3.5 Flash: 49.4 (#49), Gemini 4 Argon: 62.0 (#9)
| Benchmark | Gemini 3.5 Flash | Gemini 4 Argon |
|---|---|---|
| LMArena WebDev | 1499 | 1678 |
| SciCode | 53.1% | 61.8% |
| LMArena Coding | 1492 | 1550 |
| SWE-bench Verified | 79.3% | — |
| DeepSWE | 37.4% | — |
| FrontierSWE | — | 55% |
| WeirdML | 62.6% | — |
| ALE-Bench | 911.02 | — |
Agentic & Tool Use Gemini 4 Argon leads
Gemini 3.5 Flash: 24.7 (#114), Gemini 4 Argon: 49.2 (#8)
| Benchmark | Gemini 3.5 Flash | Gemini 4 Argon |
|---|---|---|
| APEX-Agents | 27.5% | 82.2% |
| Vending-Bench 2 | 5,396 | 13,718 |
| GBAEval | 6.7% | — |
| GDP.pdf | 14% | — |
Reasoning Gemini 3.5 Flash leads
Gemini 3.5 Flash: 62.8 (#18), Gemini 4 Argon: 44.2 (#47)
| Benchmark | Gemini 3.5 Flash | Gemini 4 Argon |
|---|---|---|
| CritPt | 13.1% | 27.1% |
| LMArena Hard Prompts | 1488 | 1548 |
| ARC-AGI-2 | 72.1% | — |
| SimpleBench | 76.7% | — |
| NYT Connections (extended) | 92.6% | — |
| ARC-AGI-1 | 92.5% | — |
| Chess Puzzles | 50% | — |
| EnigmaEval | 25.4% | — |
| EBR-Bench | 4.8% | — |
| Mystery Game Puzzles | 32% | — |
| DTBench | 94.7% | — |
| LMCA | 47.1% | — |
| Surface Evolver Bench | 58.1% | — |
| Epoch Capabilities Index | 154.46 | — |
| ForecastBench | 59 | — |
Math Gemini 4 Argon leads
Gemini 3.5 Flash: 60.7 (#36), Gemini 4 Argon: 73.9 (#17)
| Benchmark | Gemini 3.5 Flash | Gemini 4 Argon |
|---|---|---|
| ProofBench | 31% | 99% |
| LMArena Math | 1504 | 1536 |
| FrontierMath (Tiers 1-3) | 62.8% | — |
| FrontierMath Tier 4 | 26.8% | — |
| MathArena Final-Answer Competitions | 76.3% | — |
| OTIS Mock AIME 2024-2025 | 95.6% | — |
| FrontierMath (Feb 2025 set) | 39% | — |
| FrontierMath Tier 4 (v1) | 14.6% | — |
Knowledge Gemini 3.5 Flash leads
Gemini 3.5 Flash: 66.3 (#11), Gemini 4 Argon: 43.9 (#89)
| Benchmark | Gemini 3.5 Flash | Gemini 4 Argon |
|---|---|---|
| LMArena Expert | 1495 | 1553 |
| GPQA Diamond | 92.8% | — |
| SimpleQA Verified | 66.2% | — |
Multimodal Too close to call
Gemini 3.5 Flash: 45.7 (#15), Gemini 4 Argon: 46.5 (#14)
| Benchmark | Gemini 3.5 Flash | Gemini 4 Argon |
|---|---|---|
| Blueprint-Bench 2 | 33.6% | 54.4% |
| LMArena Vision | 1310 | — |
| LMArena Document | 1463 | — |
Multilingual Gemini 4 Argon leads
Gemini 3.5 Flash: 57.0 (#13), Gemini 4 Argon: 60.3 (#1)
| Benchmark | Gemini 3.5 Flash | Gemini 4 Argon |
|---|---|---|
| LMArena Non-English | 1476 | 1523 |
| LMArena Chinese | 1526 | 1610 |
| LMArena Russian | 1493 | 1537 |
| LMArena Spanish | 1480 | 1497 |
| LMArena French | 1490 | — |
| LMArena German | 1492 | — |
| LMArena Japanese | 1486 | — |
| LMArena Korean | 1451 | — |
Instruction Following Gemini 4 Argon leads
Gemini 3.5 Flash: 77.0 (#30), Gemini 4 Argon: 80.1 (#2)
| Benchmark | Gemini 3.5 Flash | Gemini 4 Argon |
|---|---|---|
| LMArena Instruction Following | 1467 | 1538 |
Long Context Gemini 4 Argon leads
Gemini 3.5 Flash: 45.4 (#38), Gemini 4 Argon: 47.6 (#15)
| Benchmark | Gemini 3.5 Flash | Gemini 4 Argon |
|---|---|---|
| LMArena Longer Query | 1482 | 1549 |
Writing & Preference Gemini 4 Argon leads
Gemini 3.5 Flash: 65.5 (#47), Gemini 4 Argon: 71.4 (#19)
| Benchmark | Gemini 3.5 Flash | Gemini 4 Argon |
|---|---|---|
| LMArena Text | 1482 | 1534 |
| LMArena Creative Writing | 1470 | 1531 |
| LMArena Multi-Turn | 1481 | 1557 |
| EQ-Bench 4 | 1087 | — |
Frequently asked questions
Is Gemini 3.5 Flash better than Gemini 4 Argon?
Gemini 4 Argon is the stronger model overall, scoring 56.5 to 54.2 on the Noometry Index.
Is Gemini 3.5 Flash or Gemini 4 Argon better for coding?
Gemini 4 Argon scores higher on coding benchmarks: 62.0 versus 49.4 in the Noometry coding category.
How many benchmarks do Gemini 3.5 Flash and Gemini 4 Argon share?
20 benchmarks have published results for both models. Gemini 3.5 Flash has 54 scored results on Noometry and Gemini 4 Argon has 21.