Model comparison
Claude Sonnet 5 vs Gemini 2.0 Flash-Lite
Claude Sonnet 5 is the stronger model overall, scoring 54.6 to 37.8 on the Noometry Index.
Last verified . 20 shared benchmarks.
GoogleSummary
- They share 20 benchmarks with published results for both. Claude Sonnet 5 scores higher in 9 categories and Gemini 2.0 Flash-Lite in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where Claude Sonnet 5 leads 66.2 to 34.1.
- The biggest single-benchmark swing is DTBench: 92.5% for Claude Sonnet 5 and 52.5% for Gemini 2.0 Flash-Lite.
Side by side
| Claude Sonnet 5 | Gemini 2.0 Flash-Lite | |
|---|---|---|
| Provider | Anthropic | |
| Noometry Index | 54.6 | 37.8 |
| Released | 2026-06-29 | 2025-02-05 |
| Weights | Proprietary | Proprietary |
| Context window | 1M | — |
| Max output | 128K | — |
| Input $ / M tokens | $2 | — |
| Output $ / M tokens | $10 | — |
| Results tracked | 51 | 32 |
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Category by category
Coding Claude Sonnet 5 leads
Claude Sonnet 5: 55.5 (#26), Gemini 2.0 Flash-Lite: 37.9 (#185)
| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash-Lite |
|---|---|---|
| LMArena Coding | 1483 | 1322 |
| DeepSWE | 53.8% | — |
| FrontierCode | 42.7% | — |
| CursorBench | 34.1% | — |
| LMArena WebDev | 1541 | — |
| SciCode | 54.3% | — |
| GSO | 37.3% | — |
| WeirdML | 68.8% | — |
| LiveBench Coding | — | 47.1% |
| ALE-Bench | 1,463 | — |
Agentic & Tool Use Not comparable
Claude Sonnet 5: 42.8 (#18), Gemini 2.0 Flash-Lite: —
| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash-Lite |
|---|---|---|
| APEX-Agents | 54.5% | — |
| GBAEval | 65.3% | — |
| LMArena Search | 1194 | — |
| Vending-Bench 2 | 6,378 | — |
Reasoning Claude Sonnet 5 leads
Claude Sonnet 5: 49.1 (#39), Gemini 2.0 Flash-Lite: 22.0 (#210)
| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash-Lite |
|---|---|---|
| LMArena Hard Prompts | 1461 | 1324 |
| DTBench | 92.5% | 52.5% |
| ForecastBench | 61.1 | 57.1 |
| SimpleBench | 60.6% | — |
| NYT Connections (extended) | 75.1% | — |
| CritPt | 16.9% | — |
| Chess Puzzles | 35% | — |
| LiveBench Reasoning | — | 50.1% |
| Mystery Game Puzzles | 35% | — |
| LiveBench Data Analysis | — | 65.5% |
| LMCA | 50% | — |
| Surface Evolver Bench | 60% | — |
| Bench to the Future 3 | 0.14 | — |
| Epoch Capabilities Index | 156.21 | — |
| LiveBench | — | 54.3% |
Math Claude Sonnet 5 leads
Claude Sonnet 5: 66.2 (#27), Gemini 2.0 Flash-Lite: 34.1 (#196)
| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash-Lite |
|---|---|---|
| LMArena Math | 1467 | 1309 |
| FrontierMath (Tiers 1-3) | 65.6% | — |
| FrontierMath Tier 4 | 29.3% | — |
| OTIS Mock AIME 2024-2025 | 94.7% | — |
| ProofBench | 77% | — |
| Omni-MATH | — | 37.4% |
| LiveBench Math | — | 58.1% |
Knowledge Claude Sonnet 5 leads
Claude Sonnet 5: 55.6 (#47), Gemini 2.0 Flash-Lite: 35.0 (#189)
| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash-Lite |
|---|---|---|
| LMArena Expert | 1490 | 1305 |
| GPQA Diamond | 90.5% | — |
| SimpleQA Verified | 33.7% | — |
| MMLU-Pro | — | 72% |
| GPQA (HELM) | — | 50% |
Multimodal Claude Sonnet 5 leads
Claude Sonnet 5: 42.4 (#31), Gemini 2.0 Flash-Lite: 31.2 (#109)
| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash-Lite |
|---|---|---|
| LMArena Vision | 1274 | 1100 |
| Blueprint-Bench 2 | 24.9% | — |
| LMArena Document | 1466 | — |
Multilingual Claude Sonnet 5 leads
Claude Sonnet 5: 53.8 (#55), Gemini 2.0 Flash-Lite: 46.0 (#161)
| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash-Lite |
|---|---|---|
| LMArena Non-English | 1431 | 1323 |
| LMArena Chinese | 1477 | 1339 |
| LMArena French | 1460 | 1347 |
| LMArena German | 1440 | 1306 |
| LMArena Japanese | 1422 | 1301 |
| LMArena Korean | 1411 | 1325 |
| LMArena Russian | 1451 | 1328 |
| LMArena Spanish | 1437 | 1313 |
Instruction Following Claude Sonnet 5 leads
Claude Sonnet 5: 76.3 (#41), Gemini 2.0 Flash-Lite: 70.4 (#163)
| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash-Lite |
|---|---|---|
| LMArena Instruction Following | 1452 | 1305 |
| LiveBench Instruction Following | — | 78.3% |
| IFEval | — | 82.4% |
Long Context Claude Sonnet 5 leads
Claude Sonnet 5: 44.8 (#55), Gemini 2.0 Flash-Lite: 40.1 (#160)
| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash-Lite |
|---|---|---|
| LMArena Longer Query | 1463 | 1320 |
Writing & Preference Claude Sonnet 5 leads
Claude Sonnet 5: 69.2 (#25), Gemini 2.0 Flash-Lite: 51.7 (#177)
| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash-Lite |
|---|---|---|
| LMArena Text | 1442 | 1330 |
| LMArena Creative Writing | 1416 | 1319 |
| LMArena Multi-Turn | 1454 | 1307 |
| EQ-Bench Creative Writing | 1794 | — |
| WildBench | — | 79% |
| EQ-Bench 4 | 1236 | — |
| LiveBench Language | — | 34.3% |
Frequently asked questions
Is Claude Sonnet 5 better than Gemini 2.0 Flash-Lite?
Claude Sonnet 5 is the stronger model overall, scoring 54.6 to 37.8 on the Noometry Index.
Is Claude Sonnet 5 or Gemini 2.0 Flash-Lite better for coding?
Claude Sonnet 5 scores higher on coding benchmarks: 55.5 versus 37.9 in the Noometry coding category.
How many benchmarks do Claude Sonnet 5 and Gemini 2.0 Flash-Lite share?
20 benchmarks have published results for both models. Claude Sonnet 5 has 51 scored results on Noometry and Gemini 2.0 Flash-Lite has 32.