Model comparison
Claude 2 vs Gemini 3.5 Flash
Gemini 3.5 Flash is the stronger model overall, scoring 54.2 to 25.0 on the Noometry Index.
Last verified . 4 shared benchmarks.
GoogleSummary
- They share 4 benchmarks with published results for both. Claude 2 scores higher in 0 categories and Gemini 3.5 Flash in 3 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemini 3.5 Flash leads 60.7 to 9.3.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 2.5% for Claude 2 and 95.6% for Gemini 3.5 Flash.
Side by side
| Claude 2 | Gemini 3.5 Flash | |
|---|---|---|
| Provider | Anthropic | |
| Noometry Index | 25.0 | 54.2 |
| Released | 2023-07-11 | 2026-05-19 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 66K |
| Input $ / M tokens | — | $1.50 |
| Output $ / M tokens | — | $9 |
| Results tracked | 8 | 54 |
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Category by category
Coding Not comparable
Claude 2: —, Gemini 3.5 Flash: 49.4 (#49)
| Benchmark | Claude 2 | Gemini 3.5 Flash |
|---|---|---|
| SWE-bench Verified | — | 79.3% |
| DeepSWE | — | 37.4% |
| LMArena WebDev | — | 1499 |
| SciCode | — | 53.1% |
| WeirdML | — | 62.6% |
| LMArena Coding | — | 1492 |
| ALE-Bench | — | 911.02 |
| HumanEval+ | 61.6% | — |
Agentic & Tool Use Not comparable
Claude 2: —, Gemini 3.5 Flash: 24.7 (#114)
| Benchmark | Claude 2 | 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
Claude 2: 21.7 (#216), Gemini 3.5 Flash: 62.8 (#18)
| Benchmark | Claude 2 | Gemini 3.5 Flash |
|---|---|---|
| DTBench | 51.9% | 94.7% |
| Epoch Capabilities Index | 120.13 | 154.46 |
| ARC-AGI-2 | — | 72.1% |
| SimpleBench | — | 76.7% |
| NYT Connections (extended) | — | 92.6% |
| ARC-AGI-1 | — | 92.5% |
| CritPt | — | 13.1% |
| Chess Puzzles | — | 50% |
| EnigmaEval | — | 25.4% |
| EBR-Bench | — | 4.8% |
| LMArena Hard Prompts | — | 1488 |
| Mystery Game Puzzles | — | 32% |
| LMCA | — | 47.1% |
| Surface Evolver Bench | — | 58.1% |
| ForecastBench | — | 59 |
Math Gemini 3.5 Flash leads
Claude 2: 9.3 (#320), Gemini 3.5 Flash: 60.7 (#36)
| Benchmark | Claude 2 | Gemini 3.5 Flash |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.5% | 95.6% |
| FrontierMath (Tiers 1-3) | — | 62.8% |
| FrontierMath Tier 4 | — | 26.8% |
| MathArena Final-Answer Competitions | — | 76.3% |
| ProofBench | — | 31% |
| LMArena Math | — | 1504 |
| MATH Level 5 | 11.7% | — |
| FrontierMath (Feb 2025 set) | — | 39% |
| FrontierMath Tier 4 (v1) | — | 14.6% |
Knowledge Gemini 3.5 Flash leads
Claude 2: 16.9 (#287), Gemini 3.5 Flash: 66.3 (#11)
| Benchmark | Claude 2 | Gemini 3.5 Flash |
|---|---|---|
| GPQA Diamond | 34.7% | 92.8% |
| SimpleQA Verified | — | 66.2% |
| LMArena Expert | — | 1495 |
| MMLU | 78.5% | — |
| TriviaQA | 87.5% | — |
Multimodal Not comparable
Claude 2: —, Gemini 3.5 Flash: 45.7 (#15)
| Benchmark | Claude 2 | Gemini 3.5 Flash |
|---|---|---|
| LMArena Vision | — | 1310 |
| Blueprint-Bench 2 | — | 33.6% |
| LMArena Document | — | 1463 |
Multilingual Not comparable
Claude 2: —, Gemini 3.5 Flash: 57.0 (#13)
| Benchmark | Claude 2 | Gemini 3.5 Flash |
|---|---|---|
| LMArena Non-English | — | 1476 |
| LMArena Chinese | — | 1526 |
| LMArena French | — | 1490 |
| LMArena German | — | 1492 |
| LMArena Japanese | — | 1486 |
| LMArena Korean | — | 1451 |
| LMArena Russian | — | 1493 |
| LMArena Spanish | — | 1480 |
Instruction Following Not comparable
Claude 2: —, Gemini 3.5 Flash: 77.0 (#30)
| Benchmark | Claude 2 | Gemini 3.5 Flash |
|---|---|---|
| LMArena Instruction Following | — | 1467 |
Long Context Not comparable
Claude 2: —, Gemini 3.5 Flash: 45.4 (#38)
| Benchmark | Claude 2 | Gemini 3.5 Flash |
|---|---|---|
| LMArena Longer Query | — | 1482 |
Writing & Preference Not comparable
Claude 2: —, Gemini 3.5 Flash: 65.5 (#47)
| Benchmark | Claude 2 | Gemini 3.5 Flash |
|---|---|---|
| LMArena Text | — | 1482 |
| LMArena Creative Writing | — | 1470 |
| EQ-Bench 4 | — | 1087 |
| LMArena Multi-Turn | — | 1481 |
Frequently asked questions
Is Claude 2 better than Gemini 3.5 Flash?
Gemini 3.5 Flash is the stronger model overall, scoring 54.2 to 25.0 on the Noometry Index.
How many benchmarks do Claude 2 and Gemini 3.5 Flash share?
4 benchmarks have published results for both models. Claude 2 has 8 scored results on Noometry and Gemini 3.5 Flash has 54.