Model comparison
Gemini 3.5 Flash vs o1-mini
Gemini 3.5 Flash is the stronger model overall, scoring 54.2 to 34.0 on the Noometry Index.
Last verified . 25 shared benchmarks.
GoogleSummary
- They share 25 benchmarks with published results for both. Gemini 3.5 Flash scores higher in 9 categories and o1-mini in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.5 Flash leads 62.8 to 8.8.
- The biggest single-benchmark swing is ARC-AGI-1: 92.5% for Gemini 3.5 Flash and 14% for o1-mini.
Side by side
| Gemini 3.5 Flash | o1-mini | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 54.2 | 34.0 |
| Released | 2026-05-19 | 2024-09-12 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | — |
| Max output | 66K | — |
| Input $ / M tokens | $1.50 | — |
| Output $ / M tokens | $9 | — |
| Results tracked | 54 | 39 |
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Category by category
Coding Gemini 3.5 Flash leads
Gemini 3.5 Flash: 49.4 (#49), o1-mini: 35.5 (#224)
| Benchmark | Gemini 3.5 Flash | o1-mini |
|---|---|---|
| WeirdML | 62.6% | 36.3% |
| LMArena Coding | 1492 | 1362 |
| SWE-bench Verified | 79.3% | — |
| DeepSWE | 37.4% | — |
| Aider Polyglot | — | 32.9% |
| LMArena WebDev | 1499 | — |
| SciCode | 53.1% | — |
| LiveBench Coding | — | 48% |
| ALE-Bench | 911.02 | — |
| HumanEval+ | — | 89% |
| MBPP+ | — | 78.8% |
Agentic & Tool Use Too close to call
Gemini 3.5 Flash: 24.7 (#114), o1-mini: 24.6 (#118)
| Benchmark | Gemini 3.5 Flash | o1-mini |
|---|---|---|
| APEX-Agents | 27.5% | — |
| Cybench | — | 10% |
| GBAEval | 6.7% | — |
| GDP.pdf | 14% | — |
| Vending-Bench 2 | 5,396 | — |
Reasoning Gemini 3.5 Flash leads
Gemini 3.5 Flash: 62.8 (#18), o1-mini: 8.8 (#346)
| Benchmark | Gemini 3.5 Flash | o1-mini |
|---|---|---|
| ARC-AGI-2 | 72.1% | 0.8% |
| SimpleBench | 76.7% | 18.1% |
| ARC-AGI-1 | 92.5% | 14% |
| LMArena Hard Prompts | 1488 | 1333 |
| Epoch Capabilities Index | 154.46 | 135.82 |
| NYT Connections (extended) | 92.6% | — |
| CritPt | 13.1% | — |
| Chess Puzzles | 50% | — |
| EnigmaEval | 25.4% | — |
| EBR-Bench | 4.8% | — |
| LiveBench Reasoning | — | 72.3% |
| Mystery Game Puzzles | 32% | — |
| DTBench | 94.7% | — |
| LiveBench Data Analysis | — | 57.9% |
| LMCA | 47.1% | — |
| Surface Evolver Bench | 58.1% | — |
| ForecastBench | 59 | — |
| LiveBench | — | 57.8% |
Math Gemini 3.5 Flash leads
Gemini 3.5 Flash: 60.7 (#36), o1-mini: 35.4 (#186)
| Benchmark | Gemini 3.5 Flash | o1-mini |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 95.6% | 46.9% |
| LMArena Math | 1504 | 1358 |
| FrontierMath (Feb 2025 set) | 39% | 1.7% |
| FrontierMath (Tiers 1-3) | 62.8% | — |
| FrontierMath Tier 4 | 26.8% | — |
| MathArena Final-Answer Competitions | 76.3% | — |
| ProofBench | 31% | — |
| LiveBench Math | — | 62% |
| MATH Level 5 | — | 89.2% |
| FrontierMath Tier 4 (v1) | 14.6% | — |
Knowledge Gemini 3.5 Flash leads
Gemini 3.5 Flash: 66.3 (#11), o1-mini: 34.9 (#192)
| Benchmark | Gemini 3.5 Flash | o1-mini |
|---|---|---|
| GPQA Diamond | 92.8% | 62.4% |
| LMArena Expert | 1495 | 1316 |
| SimpleQA Verified | 66.2% | — |
| Confabulations | — | 18.6% |
Multimodal Not comparable
Gemini 3.5 Flash: 45.7 (#15), o1-mini: —
| Benchmark | Gemini 3.5 Flash | o1-mini |
|---|---|---|
| LMArena Vision | 1310 | — |
| Blueprint-Bench 2 | 33.6% | — |
| LMArena Document | 1463 | — |
Multilingual Gemini 3.5 Flash leads
Gemini 3.5 Flash: 57.0 (#13), o1-mini: 43.6 (#182)
| Benchmark | Gemini 3.5 Flash | o1-mini |
|---|---|---|
| LMArena Non-English | 1476 | 1289 |
| LMArena Chinese | 1526 | 1314 |
| LMArena French | 1490 | 1293 |
| LMArena German | 1492 | 1278 |
| LMArena Japanese | 1486 | 1245 |
| LMArena Korean | 1451 | 1223 |
| LMArena Russian | 1493 | 1283 |
| LMArena Spanish | 1480 | 1303 |
Instruction Following Gemini 3.5 Flash leads
Gemini 3.5 Flash: 77.0 (#30), o1-mini: 66.7 (#206)
| Benchmark | Gemini 3.5 Flash | o1-mini |
|---|---|---|
| LMArena Instruction Following | 1467 | 1304 |
| LiveBench Instruction Following | — | 65.4% |
Long Context Gemini 3.5 Flash leads
Gemini 3.5 Flash: 45.4 (#38), o1-mini: 40.1 (#161)
| Benchmark | Gemini 3.5 Flash | o1-mini |
|---|---|---|
| LMArena Longer Query | 1482 | 1320 |
Writing & Preference Gemini 3.5 Flash leads
Gemini 3.5 Flash: 65.5 (#47), o1-mini: 48.4 (#202)
| Benchmark | Gemini 3.5 Flash | o1-mini |
|---|---|---|
| LMArena Text | 1482 | 1317 |
| LMArena Creative Writing | 1470 | 1244 |
| LMArena Multi-Turn | 1481 | 1314 |
| Short-Story Creative Writing | — | 64.9% |
| EQ-Bench 4 | 1087 | — |
| LiveBench Language | — | 40.9% |
Frequently asked questions
Is Gemini 3.5 Flash better than o1-mini?
Gemini 3.5 Flash is the stronger model overall, scoring 54.2 to 34.0 on the Noometry Index.
Is Gemini 3.5 Flash or o1-mini better for coding?
Gemini 3.5 Flash scores higher on coding benchmarks: 49.4 versus 35.5 in the Noometry coding category.
How many benchmarks do Gemini 3.5 Flash and o1-mini share?
25 benchmarks have published results for both models. Gemini 3.5 Flash has 54 scored results on Noometry and o1-mini has 39.