Model comparison
Gemini 1.5 Flash (May 2024) vs Mercury 2.5
Gemini 1.5 Flash (May 2024) and Mercury 2.5 score almost the same on the Noometry Index (33.2 vs 33.5), so choose on price, context window or the category you care about most.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in coding, where Mercury 2.5 leads 39.5 to 34.4.
Side by side
| Gemini 1.5 Flash (May 2024) | Mercury 2.5 | |
|---|---|---|
| Provider | Inception | |
| Noometry Index | 33.2 | 33.5 |
| Released | 2024-05-14 | 2026-09-08 |
| Weights | Proprietary | Proprietary |
| Context window | — | 260K |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.04 |
| Output $ / M tokens | — | $0.15 |
| Results tracked | 42 | 4 |
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Category by category
Coding Mercury 2.5 leads
Gemini 1.5 Flash (May 2024): 34.4 (#236), Mercury 2.5: 39.5 (#156)
| Benchmark | Gemini 1.5 Flash (May 2024) | Mercury 2.5 |
|---|---|---|
| SciCode | — | 38.5% |
| WeirdML | 24.9% | — |
| BigCodeBench Instruct | 43.5% | — |
| LMArena Coding | 1261 | — |
| BigCodeBench Complete | 55.1% | — |
| ALE-Bench | — | 301.65 |
| HumanEval+ | 75.6% | — |
| MBPP+ | 67.5% | — |
Agentic & Tool Use Not comparable
Gemini 1.5 Flash (May 2024): 26.6 (#102), Mercury 2.5: —
| Benchmark | Gemini 1.5 Flash (May 2024) | Mercury 2.5 |
|---|---|---|
| BALROG | 14.6% | — |
Reasoning Too close to call
Gemini 1.5 Flash (May 2024): 21.7 (#215), Mercury 2.5: 22.4 (#193)
| Benchmark | Gemini 1.5 Flash (May 2024) | Mercury 2.5 |
|---|---|---|
| CritPt | — | 0% |
| LMArena Hard Prompts | 1257 | — |
| DTBench | 53.8% | — |
| Epoch Capabilities Index | 129.36 | — |
| ForecastBench | 53.9 | — |
| PIQA | 87.5% | — |
Math Mercury 2.5 leads
Gemini 1.5 Flash (May 2024): 22.1 (#281), Mercury 2.5: 23.3 (#272)
| Benchmark | Gemini 1.5 Flash (May 2024) | Mercury 2.5 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 16.3% | — |
| ProofBench | — | 3% |
| Omni-MATH | 30.4% | — |
| LMArena Math | 1269 | — |
| MATH Level 5 | 61.9% | — |
| FrontierMath (Feb 2025 set) | 0% | — |
| GSM8K | 82.4% | — |
Knowledge Not comparable
Gemini 1.5 Flash (May 2024): 26.2 (#260), Mercury 2.5: —
| Benchmark | Gemini 1.5 Flash (May 2024) | Mercury 2.5 |
|---|---|---|
| GPQA Diamond | 47.3% | — |
| MMLU-Pro | 67.8% | — |
| GPQA (HELM) | 43.7% | — |
| LMArena Expert | 1233 | — |
| BoolQ | 85.8% | — |
| MMLU | 77.9% | — |
Multimodal Not comparable
Gemini 1.5 Flash (May 2024): 36.0 (#81), Mercury 2.5: —
| Benchmark | Gemini 1.5 Flash (May 2024) | Mercury 2.5 |
|---|---|---|
| LMArena Vision | 1141 | — |
| Video-MME | 70.3% | — |
| GeoBench | 76% | — |
Multilingual Not comparable
Gemini 1.5 Flash (May 2024): 42.9 (#189), Mercury 2.5: —
| Benchmark | Gemini 1.5 Flash (May 2024) | Mercury 2.5 |
|---|---|---|
| LMArena Non-English | 1278 | — |
| LMArena Chinese | 1295 | — |
| LMArena French | 1258 | — |
| LMArena German | 1262 | — |
| LMArena Japanese | 1252 | — |
| LMArena Korean | 1221 | — |
| LMArena Russian | 1288 | — |
| LMArena Spanish | 1243 | — |
Instruction Following Not comparable
Gemini 1.5 Flash (May 2024): 66.8 (#205), Mercury 2.5: —
| Benchmark | Gemini 1.5 Flash (May 2024) | Mercury 2.5 |
|---|---|---|
| IFEval | 83.1% | — |
| LMArena Instruction Following | 1258 | — |
Long Context Not comparable
Gemini 1.5 Flash (May 2024): 39.0 (#187), Mercury 2.5: —
| Benchmark | Gemini 1.5 Flash (May 2024) | Mercury 2.5 |
|---|---|---|
| LMArena Longer Query | 1284 | — |
Writing & Preference Not comparable
Gemini 1.5 Flash (May 2024): 48.7 (#196), Mercury 2.5: —
| Benchmark | Gemini 1.5 Flash (May 2024) | Mercury 2.5 |
|---|---|---|
| LMArena Text | 1287 | — |
| LMArena Creative Writing | 1285 | — |
| WildBench | 79.2% | — |
| LMArena Multi-Turn | 1253 | — |
Frequently asked questions
Is Gemini 1.5 Flash (May 2024) better than Mercury 2.5?
Gemini 1.5 Flash (May 2024) and Mercury 2.5 score almost the same on the Noometry Index (33.2 vs 33.5), so choose on price, context window or the category you care about most.
Is Gemini 1.5 Flash (May 2024) or Mercury 2.5 better for coding?
Mercury 2.5 scores higher on coding benchmarks: 39.5 versus 34.4 in the Noometry coding category.
How many benchmarks do Gemini 1.5 Flash (May 2024) and Mercury 2.5 share?
0 benchmarks have published results for both models. Gemini 1.5 Flash (May 2024) has 42 scored results on Noometry and Mercury 2.5 has 4.