Model comparison
Claude Sonnet 5 vs Gemini 1.5 Flash (May 2024)
Claude Sonnet 5 is the stronger model overall, scoring 54.6 to 33.2 on the Noometry Index.
Last verified . 24 shared benchmarks.
GoogleSummary
- They share 24 benchmarks with published results for both. Claude Sonnet 5 scores higher in 10 categories and Gemini 1.5 Flash (May 2024) in 0 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in math, where Claude Sonnet 5 leads 66.2 to 22.1.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 94.7% for Claude Sonnet 5 and 16.3% for Gemini 1.5 Flash (May 2024).
Side by side
| Claude Sonnet 5 | Gemini 1.5 Flash (May 2024) | |
|---|---|---|
| Provider | Anthropic | |
| Noometry Index | 54.6 | 33.2 |
| Released | 2026-06-29 | 2024-05-14 |
| Weights | Proprietary | Proprietary |
| Context window | 1M | — |
| Max output | 128K | — |
| Input $ / M tokens | $2 | — |
| Output $ / M tokens | $10 | — |
| Results tracked | 51 | 42 |
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Category by category
Coding Claude Sonnet 5 leads
Claude Sonnet 5: 55.5 (#26), Gemini 1.5 Flash (May 2024): 34.4 (#236)
| Benchmark | Claude Sonnet 5 | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| WeirdML | 68.8% | 24.9% |
| LMArena Coding | 1483 | 1261 |
| DeepSWE | 53.8% | — |
| FrontierCode | 42.7% | — |
| CursorBench | 34.1% | — |
| LMArena WebDev | 1541 | — |
| SciCode | 54.3% | — |
| GSO | 37.3% | — |
| BigCodeBench Instruct | — | 43.5% |
| BigCodeBench Complete | — | 55.1% |
| ALE-Bench | 1,463 | — |
| HumanEval+ | — | 75.6% |
| MBPP+ | — | 67.5% |
Agentic & Tool Use Claude Sonnet 5 leads
Claude Sonnet 5: 42.8 (#18), Gemini 1.5 Flash (May 2024): 26.6 (#102)
| Benchmark | Claude Sonnet 5 | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| APEX-Agents | 54.5% | — |
| BALROG | — | 14.6% |
| GBAEval | 65.3% | — |
| LMArena Search | 1194 | — |
| Vending-Bench 2 | 6,378 | — |
Reasoning Claude Sonnet 5 leads
Claude Sonnet 5: 49.1 (#39), Gemini 1.5 Flash (May 2024): 21.7 (#215)
| Benchmark | Claude Sonnet 5 | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| LMArena Hard Prompts | 1461 | 1257 |
| DTBench | 92.5% | 53.8% |
| Epoch Capabilities Index | 156.21 | 129.36 |
| ForecastBench | 61.1 | 53.9 |
| SimpleBench | 60.6% | — |
| NYT Connections (extended) | 75.1% | — |
| CritPt | 16.9% | — |
| Chess Puzzles | 35% | — |
| Mystery Game Puzzles | 35% | — |
| LMCA | 50% | — |
| Surface Evolver Bench | 60% | — |
| Bench to the Future 3 | 0.14 | — |
| PIQA | — | 87.5% |
Math Claude Sonnet 5 leads
Claude Sonnet 5: 66.2 (#27), Gemini 1.5 Flash (May 2024): 22.1 (#281)
| Benchmark | Claude Sonnet 5 | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 94.7% | 16.3% |
| LMArena Math | 1467 | 1269 |
| FrontierMath (Tiers 1-3) | 65.6% | — |
| FrontierMath Tier 4 | 29.3% | — |
| ProofBench | 77% | — |
| Omni-MATH | — | 30.4% |
| MATH Level 5 | — | 61.9% |
| FrontierMath (Feb 2025 set) | — | 0% |
| GSM8K | — | 82.4% |
Knowledge Claude Sonnet 5 leads
Claude Sonnet 5: 55.6 (#47), Gemini 1.5 Flash (May 2024): 26.2 (#260)
| Benchmark | Claude Sonnet 5 | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| GPQA Diamond | 90.5% | 47.3% |
| LMArena Expert | 1490 | 1233 |
| SimpleQA Verified | 33.7% | — |
| MMLU-Pro | — | 67.8% |
| GPQA (HELM) | — | 43.7% |
| BoolQ | — | 85.8% |
| MMLU | — | 77.9% |
Multimodal Claude Sonnet 5 leads
Claude Sonnet 5: 42.4 (#31), Gemini 1.5 Flash (May 2024): 36.0 (#81)
| Benchmark | Claude Sonnet 5 | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| LMArena Vision | 1274 | 1141 |
| Video-MME | — | 70.3% |
| GeoBench | — | 76% |
| Blueprint-Bench 2 | 24.9% | — |
| LMArena Document | 1466 | — |
Multilingual Claude Sonnet 5 leads
Claude Sonnet 5: 53.8 (#55), Gemini 1.5 Flash (May 2024): 42.9 (#189)
| Benchmark | Claude Sonnet 5 | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| LMArena Non-English | 1431 | 1278 |
| LMArena Chinese | 1477 | 1295 |
| LMArena French | 1460 | 1258 |
| LMArena German | 1440 | 1262 |
| LMArena Japanese | 1422 | 1252 |
| LMArena Korean | 1411 | 1221 |
| LMArena Russian | 1451 | 1288 |
| LMArena Spanish | 1437 | 1243 |
Instruction Following Claude Sonnet 5 leads
Claude Sonnet 5: 76.3 (#41), Gemini 1.5 Flash (May 2024): 66.8 (#205)
| Benchmark | Claude Sonnet 5 | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| LMArena Instruction Following | 1452 | 1258 |
| IFEval | — | 83.1% |
Long Context Claude Sonnet 5 leads
Claude Sonnet 5: 44.8 (#55), Gemini 1.5 Flash (May 2024): 39.0 (#187)
| Benchmark | Claude Sonnet 5 | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| LMArena Longer Query | 1463 | 1284 |
Writing & Preference Claude Sonnet 5 leads
Claude Sonnet 5: 69.2 (#25), Gemini 1.5 Flash (May 2024): 48.7 (#196)
| Benchmark | Claude Sonnet 5 | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| LMArena Text | 1442 | 1287 |
| LMArena Creative Writing | 1416 | 1285 |
| LMArena Multi-Turn | 1454 | 1253 |
| EQ-Bench Creative Writing | 1794 | — |
| WildBench | — | 79.2% |
| EQ-Bench 4 | 1236 | — |
Frequently asked questions
Is Claude Sonnet 5 better than Gemini 1.5 Flash (May 2024)?
Claude Sonnet 5 is the stronger model overall, scoring 54.6 to 33.2 on the Noometry Index.
Is Claude Sonnet 5 or Gemini 1.5 Flash (May 2024) better for coding?
Claude Sonnet 5 scores higher on coding benchmarks: 55.5 versus 34.4 in the Noometry coding category.
How many benchmarks do Claude Sonnet 5 and Gemini 1.5 Flash (May 2024) share?
24 benchmarks have published results for both models. Claude Sonnet 5 has 51 scored results on Noometry and Gemini 1.5 Flash (May 2024) has 42.