Model comparison
Claude Sonnet 5 vs Gemini 2.0 Flash (Feb 2025)
Claude Sonnet 5 is the stronger model overall, scoring 54.5 to 34.8 on the Noometry Index.
Last verified . 25 shared benchmarks.
GoogleSummary
- They share 25 benchmarks with published results for both. Claude Sonnet 5 scores higher in 10 categories and Gemini 2.0 Flash (Feb 2025) in 0 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Claude Sonnet 5 leads 48.2 to 15.2.
- The biggest single-benchmark swing is WeirdML: 68.8% for Claude Sonnet 5 and 25.8% for Gemini 2.0 Flash (Feb 2025).
Side by side
| Claude Sonnet 5 | Gemini 2.0 Flash (Feb 2025) | |
|---|---|---|
| Provider | Anthropic | |
| Noometry Index | 54.5 | 34.8 |
| Released | 2026-06-29 | 2024-12-06 |
| Weights | Proprietary | Proprietary |
| Context window | 1M | — |
| Max output | 128K | — |
| Input $ / M tokens | $2 | — |
| Output $ / M tokens | $10 | — |
| Results tracked | 51 | 54 |
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Category by category
Coding Claude Sonnet 5 leads
Claude Sonnet 5: 55.5 (#20), Gemini 2.0 Flash (Feb 2025): 28.2 (#308)
| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| WeirdML | 68.8% | 25.8% |
| LMArena Coding | 1483 | 1351 |
| DeepSWE | 53.8% | — |
| FrontierCode | 42.7% | — |
| SWE-bench Verified (bash only) | — | 13.5% |
| Aider Polyglot | — | 38.2% |
| CursorBench | 34.1% | — |
| LMArena WebDev | 1540 | — |
| SciCode | 53.6% | — |
| GSO | 37.3% | — |
| BigCodeBench Instruct | — | 45.9% |
| LiveBench Coding | — | 63.4% |
| BigCodeBench Complete | — | 59.9% |
| CadEval | — | 30% |
| ALE-Bench | 1,463 | — |
Agentic & Tool Use Claude Sonnet 5 leads
Claude Sonnet 5: 42.7 (#16), Gemini 2.0 Flash (Feb 2025): 28.0 (#85)
| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| APEX-Agents | 54.5% | — |
| TheAgentCompany | — | 11.4% |
| GBAEval | 65.3% | — |
| LMArena Search | 1194 | — |
| Vending-Bench 2 | 6,378 | — |
Reasoning Claude Sonnet 5 leads
Claude Sonnet 5: 48.2 (#37), Gemini 2.0 Flash (Feb 2025): 15.2 (#308)
| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| SimpleBench | 60.6% | 31.1% |
| LMArena Hard Prompts | 1461 | 1346 |
| DTBench | 92.5% | 63.2% |
| Epoch Capabilities Index | 156.34 | 135.36 |
| ARC-AGI-2 | — | 1.3% |
| Kagi LLM Benchmark | — | 37.8% |
| NYT Connections (extended) | 75.1% | — |
| CritPt | 16.9% | — |
| Chess Puzzles | 35% | — |
| EnigmaEval | — | 1.1% |
| LiveBench Reasoning | — | 78.2% |
| Mystery Game Puzzles | 35% | — |
| LiveBench Data Analysis | — | 69.4% |
| LMCA | 50% | — |
| Surface Evolver Bench | 60% | — |
| Bench to the Future 3 | 0.14 | — |
| ForecastBench | 61.1 | — |
| LiveBench | — | 66.9% |
Math Claude Sonnet 5 leads
Claude Sonnet 5: 66.1 (#21), Gemini 2.0 Flash (Feb 2025): 36.1 (#127)
| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 94.7% | 57.8% |
| LMArena Math | 1467 | 1351 |
| FrontierMath (Tiers 1-3) | 65.6% | — |
| FrontierMath Tier 4 | 29.3% | — |
| ProofBench | 77% | — |
| Omni-MATH | — | 45.9% |
| LiveBench Math | — | 75.8% |
| MATH Level 5 | — | 82.2% |
| FrontierMath (Feb 2025 set) | — | 1.7% |
Knowledge Claude Sonnet 5 leads
Claude Sonnet 5: 55.7 (#42), Gemini 2.0 Flash (Feb 2025): 32.0 (#207)
| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| GPQA Diamond | 90.5% | 64.1% |
| LMArena Expert | 1491 | 1340 |
| Humanity's Last Exam | — | 6.6% |
| SimpleQA Verified | 33.7% | — |
| MMLU-Pro | — | 73.7% |
| Confabulations | — | 12.4% |
| GPQA (HELM) | — | 55.6% |
| MMLU | — | 79.7% |
Multimodal Claude Sonnet 5 leads
Claude Sonnet 5: 42.4 (#26), Gemini 2.0 Flash (Feb 2025): 35.9 (#74)
| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Vision | 1275 | 1158 |
| GeoBench | — | 77% |
| Blueprint-Bench 2 | 24.9% | — |
| LMArena Document | 1466 | — |
Multilingual Claude Sonnet 5 leads
Claude Sonnet 5: 54.0 (#55), Gemini 2.0 Flash (Feb 2025): 47.6 (#144)
| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Non-English | 1431 | 1342 |
| LMArena Chinese | 1475 | 1373 |
| LMArena French | 1457 | 1390 |
| LMArena German | 1448 | 1354 |
| LMArena Japanese | 1422 | 1293 |
| LMArena Korean | 1411 | 1314 |
| LMArena Russian | 1452 | 1351 |
| LMArena Spanish | 1436 | 1363 |
Instruction Following Claude Sonnet 5 leads
Claude Sonnet 5: 76.6 (#39), Gemini 2.0 Flash (Feb 2025): 74.6 (#91)
| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Instruction Following | 1453 | 1336 |
| LiveBench Instruction Following | — | 85.8% |
| IFEval | — | 84.1% |
Long Context Claude Sonnet 5 leads
Claude Sonnet 5: 44.8 (#53), Gemini 2.0 Flash (Feb 2025): 38.1 (#198)
| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Longer Query | 1464 | 1345 |
| Fiction.LiveBench | — | 61.1% |
Writing & Preference Claude Sonnet 5 leads
Claude Sonnet 5: 69.4 (#24), Gemini 2.0 Flash (Feb 2025): 49.8 (#184)
| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Text | 1443 | 1354 |
| LMArena Creative Writing | 1416 | 1340 |
| EQ-Bench Creative Writing | 1794 | 1128 |
| LMArena Multi-Turn | 1454 | 1350 |
| Short-Story Creative Writing | — | 73.8% |
| WildBench | — | 80% |
| EQ-Bench 4 | 1236 | — |
| LiveBench Language | — | 51.3% |
Frequently asked questions
Is Claude Sonnet 5 better than Gemini 2.0 Flash (Feb 2025)?
Claude Sonnet 5 is the stronger model overall, scoring 54.5 to 34.8 on the Noometry Index.
Is Claude Sonnet 5 or Gemini 2.0 Flash (Feb 2025) better for coding?
Claude Sonnet 5 scores higher on coding benchmarks: 55.5 versus 28.2 in the Noometry coding category.
How many benchmarks do Claude Sonnet 5 and Gemini 2.0 Flash (Feb 2025) share?
25 benchmarks have published results for both models. Claude Sonnet 5 has 51 scored results on Noometry and Gemini 2.0 Flash (Feb 2025) has 54.