Model comparison
Gemini 2.0 Flash-Lite vs Mercury 2.5
Gemini 2.0 Flash-Lite is the stronger model overall, scoring 37.8 to 33.5 on the Noometry Index.
Last verified . 0 shared benchmarks.
GoogleSummary
- The widest gap is in math, where Gemini 2.0 Flash-Lite leads 34.1 to 23.3.
Side by side
| Gemini 2.0 Flash-Lite | Mercury 2.5 | |
|---|---|---|
| Provider | Inception | |
| Noometry Index | 37.8 | 33.5 |
| Released | 2025-02-05 | 2026-09-08 |
| Weights | Proprietary | Proprietary |
| Context window | — | 260K |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.04 |
| Output $ / M tokens | — | $0.15 |
| Results tracked | 32 | 4 |
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Category by category
Coding Mercury 2.5 leads
Gemini 2.0 Flash-Lite: 37.9 (#185), Mercury 2.5: 39.5 (#156)
| Benchmark | Gemini 2.0 Flash-Lite | Mercury 2.5 |
|---|---|---|
| SciCode | — | 38.5% |
| LiveBench Coding | 47.1% | — |
| LMArena Coding | 1322 | — |
| ALE-Bench | — | 301.65 |
Reasoning Too close to call
Gemini 2.0 Flash-Lite: 22.0 (#210), Mercury 2.5: 22.4 (#193)
| Benchmark | Gemini 2.0 Flash-Lite | Mercury 2.5 |
|---|---|---|
| CritPt | — | 0% |
| LiveBench Reasoning | 50.1% | — |
| LMArena Hard Prompts | 1324 | — |
| DTBench | 52.5% | — |
| LiveBench Data Analysis | 65.5% | — |
| ForecastBench | 57.1 | — |
| LiveBench | 54.3% | — |
Math Gemini 2.0 Flash-Lite leads
Gemini 2.0 Flash-Lite: 34.1 (#196), Mercury 2.5: 23.3 (#272)
| Benchmark | Gemini 2.0 Flash-Lite | Mercury 2.5 |
|---|---|---|
| ProofBench | — | 3% |
| Omni-MATH | 37.4% | — |
| LiveBench Math | 58.1% | — |
| LMArena Math | 1309 | — |
Knowledge Not comparable
Gemini 2.0 Flash-Lite: 35.0 (#189), Mercury 2.5: —
| Benchmark | Gemini 2.0 Flash-Lite | Mercury 2.5 |
|---|---|---|
| MMLU-Pro | 72% | — |
| GPQA (HELM) | 50% | — |
| LMArena Expert | 1305 | — |
Multimodal Not comparable
Gemini 2.0 Flash-Lite: 31.2 (#109), Mercury 2.5: —
| Benchmark | Gemini 2.0 Flash-Lite | Mercury 2.5 |
|---|---|---|
| LMArena Vision | 1100 | — |
Multilingual Not comparable
Gemini 2.0 Flash-Lite: 46.0 (#161), Mercury 2.5: —
| Benchmark | Gemini 2.0 Flash-Lite | Mercury 2.5 |
|---|---|---|
| LMArena Non-English | 1323 | — |
| LMArena Chinese | 1339 | — |
| LMArena French | 1347 | — |
| LMArena German | 1306 | — |
| LMArena Japanese | 1301 | — |
| LMArena Korean | 1325 | — |
| LMArena Russian | 1328 | — |
| LMArena Spanish | 1313 | — |
Instruction Following Not comparable
Gemini 2.0 Flash-Lite: 70.4 (#163), Mercury 2.5: —
| Benchmark | Gemini 2.0 Flash-Lite | Mercury 2.5 |
|---|---|---|
| LiveBench Instruction Following | 78.3% | — |
| IFEval | 82.4% | — |
| LMArena Instruction Following | 1305 | — |
Long Context Not comparable
Gemini 2.0 Flash-Lite: 40.1 (#160), Mercury 2.5: —
| Benchmark | Gemini 2.0 Flash-Lite | Mercury 2.5 |
|---|---|---|
| LMArena Longer Query | 1320 | — |
Writing & Preference Not comparable
Gemini 2.0 Flash-Lite: 51.7 (#177), Mercury 2.5: —
| Benchmark | Gemini 2.0 Flash-Lite | Mercury 2.5 |
|---|---|---|
| LMArena Text | 1330 | — |
| LMArena Creative Writing | 1319 | — |
| WildBench | 79% | — |
| LMArena Multi-Turn | 1307 | — |
| LiveBench Language | 34.3% | — |
Frequently asked questions
Is Gemini 2.0 Flash-Lite better than Mercury 2.5?
Gemini 2.0 Flash-Lite is the stronger model overall, scoring 37.8 to 33.5 on the Noometry Index.
Is Gemini 2.0 Flash-Lite or Mercury 2.5 better for coding?
Mercury 2.5 scores higher on coding benchmarks: 39.5 versus 37.9 in the Noometry coding category.
How many benchmarks do Gemini 2.0 Flash-Lite and Mercury 2.5 share?
0 benchmarks have published results for both models. Gemini 2.0 Flash-Lite has 32 scored results on Noometry and Mercury 2.5 has 4.