Model comparison
Gemini 1.5 Flash (May 2024) vs Gemini 2.0 Flash (Feb 2025)
Gemini 2.0 Flash (Feb 2025) is the stronger model overall, scoring 35.1 to 33.2 on the Noometry Index.
Last verified . 34 shared benchmarks.
GoogleSummary
- They share 34 benchmarks with published results for both. Gemini 1.5 Flash (May 2024) scores higher in 3 categories and Gemini 2.0 Flash (Feb 2025) in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemini 2.0 Flash (Feb 2025) leads 37.9 to 22.1.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 16.3% for Gemini 1.5 Flash (May 2024) and 57.8% for Gemini 2.0 Flash (Feb 2025).
Side by side
| Gemini 1.5 Flash (May 2024) | Gemini 2.0 Flash (Feb 2025) | |
|---|---|---|
| Provider | ||
| Noometry Index | 33.2 | 35.1 |
| Released | 2024-05-14 | 2024-12-06 |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 42 | 54 |
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Category by category
Coding Gemini 1.5 Flash (May 2024) leads
Gemini 1.5 Flash (May 2024): 34.4 (#236), Gemini 2.0 Flash (Feb 2025): 28.4 (#315)
| Benchmark | Gemini 1.5 Flash (May 2024) | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| WeirdML | 24.9% | 25.8% |
| BigCodeBench Instruct | 43.5% | 45.9% |
| LMArena Coding | 1261 | 1350 |
| BigCodeBench Complete | 55.1% | 59.9% |
| SWE-bench Verified (bash only) | — | 13.5% |
| Aider Polyglot | — | 38.2% |
| LiveBench Coding | — | 63.4% |
| CadEval | — | 30% |
| HumanEval+ | 75.6% | — |
| MBPP+ | 67.5% | — |
Agentic & Tool Use Gemini 2.0 Flash (Feb 2025) leads
Gemini 1.5 Flash (May 2024): 26.6 (#102), Gemini 2.0 Flash (Feb 2025): 28.1 (#92)
| Benchmark | Gemini 1.5 Flash (May 2024) | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| TheAgentCompany | — | 11.4% |
| BALROG | 14.6% | — |
Reasoning Gemini 1.5 Flash (May 2024) leads
Gemini 1.5 Flash (May 2024): 21.7 (#215), Gemini 2.0 Flash (Feb 2025): 15.2 (#318)
| Benchmark | Gemini 1.5 Flash (May 2024) | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Hard Prompts | 1257 | 1346 |
| DTBench | 53.8% | 63.2% |
| Epoch Capabilities Index | 129.36 | 135.36 |
| ARC-AGI-2 | — | 1.3% |
| SimpleBench | — | 31.1% |
| Kagi LLM Benchmark | — | 37.8% |
| EnigmaEval | — | 1.1% |
| LiveBench Reasoning | — | 78.2% |
| LiveBench Data Analysis | — | 69.4% |
| ForecastBench | 53.9 | — |
| LiveBench | — | 66.9% |
| PIQA | 87.5% | — |
Math Gemini 2.0 Flash (Feb 2025) leads
Gemini 1.5 Flash (May 2024): 22.1 (#281), Gemini 2.0 Flash (Feb 2025): 37.9 (#146)
| Benchmark | Gemini 1.5 Flash (May 2024) | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 16.3% | 57.8% |
| Omni-MATH | 30.4% | 45.9% |
| LMArena Math | 1269 | 1352 |
| MATH Level 5 | 61.9% | 82.2% |
| FrontierMath (Feb 2025 set) | 0% | 1.7% |
| LiveBench Math | — | 75.8% |
| GSM8K | 82.4% | — |
Knowledge Gemini 2.0 Flash (Feb 2025) leads
Gemini 1.5 Flash (May 2024): 26.2 (#260), Gemini 2.0 Flash (Feb 2025): 32.0 (#213)
| Benchmark | Gemini 1.5 Flash (May 2024) | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| GPQA Diamond | 47.3% | 64.1% |
| MMLU-Pro | 67.8% | 73.7% |
| GPQA (HELM) | 43.7% | 55.6% |
| LMArena Expert | 1233 | 1339 |
| MMLU | 77.9% | 79.7% |
| Humanity's Last Exam | — | 6.6% |
| Confabulations | — | 12.4% |
| BoolQ | 85.8% | — |
Multimodal Too close to call
Gemini 1.5 Flash (May 2024): 36.0 (#81), Gemini 2.0 Flash (Feb 2025): 36.5 (#79)
| Benchmark | Gemini 1.5 Flash (May 2024) | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Vision | 1141 | 1158 |
| GeoBench | 76% | 77% |
| Video-MME | 70.3% | — |
Multilingual Gemini 2.0 Flash (Feb 2025) leads
Gemini 1.5 Flash (May 2024): 42.9 (#189), Gemini 2.0 Flash (Feb 2025): 47.4 (#149)
| Benchmark | Gemini 1.5 Flash (May 2024) | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Non-English | 1278 | 1342 |
| LMArena Chinese | 1295 | 1373 |
| LMArena French | 1258 | 1391 |
| LMArena German | 1262 | 1353 |
| LMArena Japanese | 1252 | 1294 |
| LMArena Korean | 1221 | 1313 |
| LMArena Russian | 1288 | 1351 |
| LMArena Spanish | 1243 | 1363 |
Instruction Following Gemini 2.0 Flash (Feb 2025) leads
Gemini 1.5 Flash (May 2024): 66.8 (#205), Gemini 2.0 Flash (Feb 2025): 74.4 (#97)
| Benchmark | Gemini 1.5 Flash (May 2024) | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| IFEval | 83.1% | 84.1% |
| LMArena Instruction Following | 1258 | 1336 |
| LiveBench Instruction Following | — | 85.8% |
Long Context Too close to call
Gemini 1.5 Flash (May 2024): 39.0 (#187), Gemini 2.0 Flash (Feb 2025): 38.1 (#203)
| Benchmark | Gemini 1.5 Flash (May 2024) | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Longer Query | 1284 | 1344 |
| Fiction.LiveBench | — | 61.1% |
Writing & Preference Too close to call
Gemini 1.5 Flash (May 2024): 48.7 (#196), Gemini 2.0 Flash (Feb 2025): 49.5 (#190)
| Benchmark | Gemini 1.5 Flash (May 2024) | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Text | 1287 | 1354 |
| LMArena Creative Writing | 1285 | 1340 |
| WildBench | 79.2% | 80% |
| LMArena Multi-Turn | 1253 | 1350 |
| Short-Story Creative Writing | — | 73.8% |
| EQ-Bench Creative Writing | — | 1128 |
| LiveBench Language | — | 51.3% |
Frequently asked questions
Is Gemini 1.5 Flash (May 2024) better than Gemini 2.0 Flash (Feb 2025)?
Gemini 2.0 Flash (Feb 2025) is the stronger model overall, scoring 35.1 to 33.2 on the Noometry Index.
Is Gemini 1.5 Flash (May 2024) or Gemini 2.0 Flash (Feb 2025) better for coding?
Gemini 1.5 Flash (May 2024) scores higher on coding benchmarks: 34.4 versus 28.4 in the Noometry coding category.
How many benchmarks do Gemini 1.5 Flash (May 2024) and Gemini 2.0 Flash (Feb 2025) share?
34 benchmarks have published results for both models. Gemini 1.5 Flash (May 2024) has 42 scored results on Noometry and Gemini 2.0 Flash (Feb 2025) has 54.
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