Model comparison
Claude 3 Sonnet vs Gemini 2.5 Flash-Lite
Gemini 2.5 Flash-Lite is the stronger model overall, scoring 37.0 to 29.0 on the Noometry Index.
Last verified . 21 shared benchmarks.
GoogleSummary
- They share 21 benchmarks with published results for both. Claude 3 Sonnet scores higher in 1 category and Gemini 2.5 Flash-Lite in 8 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemini 2.5 Flash-Lite leads 38.0 to 10.7.
- The biggest single-benchmark swing is WeirdML: 10.2% for Claude 3 Sonnet and 35.2% for Gemini 2.5 Flash-Lite.
Side by side
| Claude 3 Sonnet | Gemini 2.5 Flash-Lite | |
|---|---|---|
| Provider | Anthropic | |
| Noometry Index | 29.0 | 37.0 |
| Released | 2024-02-29 | 2025-06-17 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.10 |
| Output $ / M tokens | — | $0.40 |
| Results tracked | 30 | 33 |
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Category by category
Coding Gemini 2.5 Flash-Lite leads
Claude 3 Sonnet: 29.6 (#302), Gemini 2.5 Flash-Lite: 38.5 (#173)
| Benchmark | Claude 3 Sonnet | Gemini 2.5 Flash-Lite |
|---|---|---|
| WeirdML | 10.2% | 35.2% |
| LMArena Coding | 1223 | 1373 |
| BigCodeBench Instruct | 42.7% | — |
| BigCodeBench Complete | 53.8% | — |
| ALE-Bench | — | 325.9 |
| HumanEval+ | 64% | — |
| MBPP+ | 69.3% | — |
Agentic & Tool Use Not comparable
Claude 3 Sonnet: —, Gemini 2.5 Flash-Lite: 28.0 (#96)
| Benchmark | Claude 3 Sonnet | Gemini 2.5 Flash-Lite |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 36.9% |
Reasoning Gemini 2.5 Flash-Lite leads
Claude 3 Sonnet: 20.5 (#237), Gemini 2.5 Flash-Lite: 22.2 (#205)
| Benchmark | Claude 3 Sonnet | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Hard Prompts | 1197 | 1377 |
| DTBench | 53.6% | 62.8% |
| Epoch Capabilities Index | 120.7 | 133.94 |
| Kagi LLM Benchmark | — | 40.5% |
| LMCA | — | 18.1% |
| WinoGrande | 75.1% | — |
Math Gemini 2.5 Flash-Lite leads
Claude 3 Sonnet: 10.7 (#310), Gemini 2.5 Flash-Lite: 38.0 (#144)
| Benchmark | Claude 3 Sonnet | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Math | 1213 | 1373 |
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| Omni-MATH | — | 48% |
| MATH Level 5 | 18.2% | — |
Knowledge Gemini 2.5 Flash-Lite leads
Claude 3 Sonnet: 21.1 (#276), Gemini 2.5 Flash-Lite: 32.5 (#210)
| Benchmark | Claude 3 Sonnet | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Expert | 1173 | 1373 |
| GPQA Diamond | 40.6% | — |
| MMLU-Pro | — | 53.7% |
| Vectara Hallucination Rate | — | 3.3% |
| GPQA (HELM) | — | 30.9% |
| MMLU | 75.9% | — |
Multimodal Gemini 2.5 Flash-Lite leads
Claude 3 Sonnet: 25.2 (#125), Gemini 2.5 Flash-Lite: 29.1 (#114)
| Benchmark | Claude 3 Sonnet | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Vision | 984 | 1198 |
| VPCT | — | 30% |
Multilingual Gemini 2.5 Flash-Lite leads
Claude 3 Sonnet: 37.8 (#234), Gemini 2.5 Flash-Lite: 49.3 (#134)
| Benchmark | Claude 3 Sonnet | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Non-English | 1205 | 1369 |
| LMArena Chinese | 1189 | 1404 |
| LMArena French | 1229 | 1388 |
| LMArena German | 1204 | 1389 |
| LMArena Japanese | 1131 | 1359 |
| LMArena Korean | 1128 | 1360 |
| LMArena Russian | 1227 | 1373 |
| LMArena Spanish | 1204 | 1396 |
Instruction Following Gemini 2.5 Flash-Lite leads
Claude 3 Sonnet: 62.8 (#235), Gemini 2.5 Flash-Lite: 70.0 (#168)
| Benchmark | Claude 3 Sonnet | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Instruction Following | 1199 | 1367 |
| IFEval | — | 81% |
Long Context Claude 3 Sonnet leads
Claude 3 Sonnet: 36.7 (#228), Gemini 2.5 Flash-Lite: 33.3 (#262)
| Benchmark | Claude 3 Sonnet | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Longer Query | 1211 | 1373 |
| Fiction.LiveBench | — | 47.2% |
Writing & Preference Gemini 2.5 Flash-Lite leads
Claude 3 Sonnet: 42.1 (#238), Gemini 2.5 Flash-Lite: 56.8 (#135)
| Benchmark | Claude 3 Sonnet | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Text | 1218 | 1379 |
| LMArena Creative Writing | 1186 | 1367 |
| LMArena Multi-Turn | 1227 | 1366 |
| WildBench | — | 81.8% |
Frequently asked questions
Is Claude 3 Sonnet better than Gemini 2.5 Flash-Lite?
Gemini 2.5 Flash-Lite is the stronger model overall, scoring 37.0 to 29.0 on the Noometry Index.
Is Claude 3 Sonnet or Gemini 2.5 Flash-Lite better for coding?
Gemini 2.5 Flash-Lite scores higher on coding benchmarks: 38.5 versus 29.6 in the Noometry coding category.
How many benchmarks do Claude 3 Sonnet and Gemini 2.5 Flash-Lite share?
21 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and Gemini 2.5 Flash-Lite has 33.