Model comparison
Chatgpt 4o Latest 20250326 vs Gemini 3.5 Flash
Gemini 3.5 Flash is the stronger model overall, scoring 54.2 to 43.8 on the Noometry Index.
Last verified . 18 shared benchmarks.
GoogleSummary
- They share 18 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 0 categories and Gemini 3.5 Flash in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.5 Flash leads 62.8 to 33.8.
Side by side
| Chatgpt 4o Latest 20250326 | Gemini 3.5 Flash | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 43.8 | 54.2 |
| Released | — | 2026-05-19 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 66K |
| Input $ / M tokens | — | $1.50 |
| Output $ / M tokens | — | $9 |
| Results tracked | 21 | 54 |
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Category by category
Coding Gemini 3.5 Flash leads
Chatgpt 4o Latest 20250326: 41.6 (#122), Gemini 3.5 Flash: 49.4 (#49)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 3.5 Flash |
|---|---|---|
| LMArena Coding | 1413 | 1492 |
| SWE-bench Verified | — | 79.3% |
| DeepSWE | — | 37.4% |
| LMArena WebDev | — | 1499 |
| SciCode | — | 53.1% |
| WeirdML | — | 62.6% |
| ALE-Bench | — | 911.02 |
Agentic & Tool Use Not comparable
Chatgpt 4o Latest 20250326: —, Gemini 3.5 Flash: 24.7 (#114)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 3.5 Flash |
|---|---|---|
| APEX-Agents | — | 27.5% |
| GBAEval | — | 6.7% |
| GDP.pdf | — | 14% |
| Vending-Bench 2 | — | 5,396 |
Reasoning Gemini 3.5 Flash leads
Chatgpt 4o Latest 20250326: 33.8 (#71), Gemini 3.5 Flash: 62.8 (#18)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 3.5 Flash |
|---|---|---|
| LMArena Hard Prompts | 1424 | 1488 |
| ARC-AGI-2 | — | 72.1% |
| SimpleBench | — | 76.7% |
| Kagi LLM Benchmark | 75% | — |
| NYT Connections (extended) | — | 92.6% |
| ARC-AGI-1 | — | 92.5% |
| CritPt | — | 13.1% |
| 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 3.5 Flash leads
Chatgpt 4o Latest 20250326: 38.6 (#134), Gemini 3.5 Flash: 60.7 (#36)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 3.5 Flash |
|---|---|---|
| LMArena Math | 1407 | 1504 |
| FrontierMath (Tiers 1-3) | — | 62.8% |
| FrontierMath Tier 4 | — | 26.8% |
| MathArena Final-Answer Competitions | — | 76.3% |
| OTIS Mock AIME 2024-2025 | — | 95.6% |
| ProofBench | — | 31% |
| FrontierMath (Feb 2025 set) | — | 39% |
| FrontierMath Tier 4 (v1) | — | 14.6% |
Knowledge Gemini 3.5 Flash leads
Chatgpt 4o Latest 20250326: 39.2 (#137), Gemini 3.5 Flash: 66.3 (#11)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 3.5 Flash |
|---|---|---|
| LMArena Expert | 1401 | 1495 |
| GPQA Diamond | — | 92.8% |
| SimpleQA Verified | — | 66.2% |
| Confabulations | 16.6% | — |
Multimodal Gemini 3.5 Flash leads
Chatgpt 4o Latest 20250326: 39.6 (#58), Gemini 3.5 Flash: 45.7 (#15)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 3.5 Flash |
|---|---|---|
| LMArena Vision | 1243 | 1310 |
| Blueprint-Bench 2 | — | 33.6% |
| LMArena Document | — | 1463 |
Multilingual Gemini 3.5 Flash leads
Chatgpt 4o Latest 20250326: 52.9 (#76), Gemini 3.5 Flash: 57.0 (#13)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 3.5 Flash |
|---|---|---|
| LMArena Non-English | 1419 | 1476 |
| LMArena Chinese | 1457 | 1526 |
| LMArena French | 1446 | 1490 |
| LMArena German | 1423 | 1492 |
| LMArena Japanese | 1405 | 1486 |
| LMArena Korean | 1396 | 1451 |
| LMArena Russian | 1429 | 1493 |
| LMArena Spanish | 1434 | 1480 |
Instruction Following Gemini 3.5 Flash leads
Chatgpt 4o Latest 20250326: 74.0 (#107), Gemini 3.5 Flash: 77.0 (#30)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 3.5 Flash |
|---|---|---|
| LMArena Instruction Following | 1403 | 1467 |
Long Context Gemini 3.5 Flash leads
Chatgpt 4o Latest 20250326: 43.1 (#107), Gemini 3.5 Flash: 45.4 (#38)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 3.5 Flash |
|---|---|---|
| LMArena Longer Query | 1413 | 1482 |
Writing & Preference Gemini 3.5 Flash leads
Chatgpt 4o Latest 20250326: 62.6 (#72), Gemini 3.5 Flash: 65.5 (#47)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 3.5 Flash |
|---|---|---|
| LMArena Text | 1429 | 1482 |
| LMArena Creative Writing | 1405 | 1470 |
| LMArena Multi-Turn | 1454 | 1481 |
| EQ-Bench Creative Writing | 1501 | — |
| EQ-Bench 4 | — | 1087 |
Frequently asked questions
Is Chatgpt 4o Latest 20250326 better than Gemini 3.5 Flash?
Gemini 3.5 Flash is the stronger model overall, scoring 54.2 to 43.8 on the Noometry Index.
Is Chatgpt 4o Latest 20250326 or Gemini 3.5 Flash better for coding?
Gemini 3.5 Flash scores higher on coding benchmarks: 49.4 versus 41.6 in the Noometry coding category.
How many benchmarks do Chatgpt 4o Latest 20250326 and Gemini 3.5 Flash share?
18 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and Gemini 3.5 Flash has 54.