Model comparison
Gemini 2.0 Flash (Feb 2025) vs Gemini 2.5 Flash
Gemini 2.5 Flash is the stronger model overall, scoring 39.3 to 35.1 on the Noometry Index.
Last verified . 41 shared benchmarks.
GoogleSummary
- They share 41 benchmarks with published results for both. Gemini 2.0 Flash (Feb 2025) scores higher in 0 categories and Gemini 2.5 Flash in 10 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in long context, where Gemini 2.5 Flash leads 47.5 to 38.1.
- The biggest single-benchmark swing is TheAgentCompany: 11.4% for Gemini 2.0 Flash (Feb 2025) and 41.1% for Gemini 2.5 Flash.
Side by side
| Gemini 2.0 Flash (Feb 2025) | Gemini 2.5 Flash | |
|---|---|---|
| Provider | ||
| Noometry Index | 35.1 | 39.3 |
| Released | 2024-12-06 | 2025-04-17 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.30 |
| Output $ / M tokens | — | $2.50 |
| Results tracked | 54 | 54 |
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Category by category
Coding Gemini 2.5 Flash leads
Gemini 2.0 Flash (Feb 2025): 28.4 (#315), Gemini 2.5 Flash: 35.8 (#220)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Gemini 2.5 Flash |
|---|---|---|
| SWE-bench Verified (bash only) | 13.5% | 28.7% |
| Aider Polyglot | 38.2% | 55.1% |
| WeirdML | 25.8% | 41.9% |
| LMArena Coding | 1350 | 1424 |
| BigCodeBench Instruct | 45.9% | — |
| LiveBench Coding | 63.4% | — |
| BigCodeBench Complete | 59.9% | — |
| CadEval | 30% | — |
| ALE-Bench | — | 661.88 |
Agentic & Tool Use Gemini 2.5 Flash leads
Gemini 2.0 Flash (Feb 2025): 28.1 (#92), Gemini 2.5 Flash: 30.8 (#74)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Gemini 2.5 Flash |
|---|---|---|
| TheAgentCompany | 11.4% | 41.1% |
| Terminal-Bench | — | 17.1% |
| Berkeley Function Calling Leaderboard | — | 56.2% |
| BALROG | — | 33.5% |
| Vending-Bench 2 | — | 548.84 |
Reasoning Gemini 2.5 Flash leads
Gemini 2.0 Flash (Feb 2025): 15.2 (#318), Gemini 2.5 Flash: 18.1 (#286)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Gemini 2.5 Flash |
|---|---|---|
| ARC-AGI-2 | 1.3% | 2.5% |
| SimpleBench | 31.1% | 41.2% |
| Kagi LLM Benchmark | 37.8% | 56.8% |
| EnigmaEval | 1.1% | 2.7% |
| LMArena Hard Prompts | 1346 | 1422 |
| DTBench | 63.2% | 76.5% |
| Epoch Capabilities Index | 135.36 | 143.03 |
| ARC-AGI-1 | — | 33.3% |
| CritPt | — | 1.1% |
| LiveBench Reasoning | 78.2% | — |
| LiveBench Data Analysis | 69.4% | — |
| LMCA | — | 27.5% |
| ForecastBench | — | 60.6 |
| LiveBench | 66.9% | — |
Math Gemini 2.5 Flash leads
Gemini 2.0 Flash (Feb 2025): 37.9 (#146), Gemini 2.5 Flash: 39.9 (#98)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Gemini 2.5 Flash |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 57.8% | 73.1% |
| Omni-MATH | 45.9% | 38.5% |
| LMArena Math | 1352 | 1415 |
| FrontierMath (Feb 2025 set) | 1.7% | 4.8% |
| LiveBench Math | 75.8% | — |
| MATH Level 5 | 82.2% | — |
| FrontierMath Tier 4 (v1) | — | 4.2% |
Knowledge Gemini 2.5 Flash leads
Gemini 2.0 Flash (Feb 2025): 32.0 (#213), Gemini 2.5 Flash: 36.4 (#168)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Gemini 2.5 Flash |
|---|---|---|
| Humanity's Last Exam | 6.6% | 12.1% |
| MMLU-Pro | 73.7% | 63.9% |
| Confabulations | 12.4% | 16.8% |
| GPQA (HELM) | 55.6% | 39% |
| LMArena Expert | 1339 | 1426 |
| GPQA Diamond | 64.1% | — |
| Vectara Hallucination Rate | — | 7.8% |
| MMLU | 79.7% | — |
Multimodal Gemini 2.5 Flash leads
Gemini 2.0 Flash (Feb 2025): 36.5 (#79), Gemini 2.5 Flash: 41.8 (#32)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Gemini 2.5 Flash |
|---|---|---|
| LMArena Vision | 1158 | 1253 |
| GeoBench | 77% | 76% |
| VPCT | — | 46.2% |
| SpatialViz-Bench | — | 36.9% |
Multilingual Gemini 2.5 Flash leads
Gemini 2.0 Flash (Feb 2025): 47.4 (#149), Gemini 2.5 Flash: 52.3 (#88)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Gemini 2.5 Flash |
|---|---|---|
| LMArena Non-English | 1342 | 1409 |
| LMArena Chinese | 1373 | 1450 |
| LMArena French | 1391 | 1433 |
| LMArena German | 1353 | 1418 |
| LMArena Japanese | 1294 | 1405 |
| LMArena Korean | 1313 | 1385 |
| LMArena Russian | 1351 | 1415 |
| LMArena Spanish | 1363 | 1421 |
Instruction Following Gemini 2.5 Flash leads
Gemini 2.0 Flash (Feb 2025): 74.4 (#97), Gemini 2.5 Flash: 75.7 (#54)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Gemini 2.5 Flash |
|---|---|---|
| IFEval | 84.1% | 89.8% |
| LMArena Instruction Following | 1336 | 1405 |
| LiveBench Instruction Following | 85.8% | — |
Long Context Gemini 2.5 Flash leads
Gemini 2.0 Flash (Feb 2025): 38.1 (#203), Gemini 2.5 Flash: 47.5 (#17)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Gemini 2.5 Flash |
|---|---|---|
| Fiction.LiveBench | 61.1% | 77.8% |
| LMArena Longer Query | 1344 | 1419 |
Writing & Preference Gemini 2.5 Flash leads
Gemini 2.0 Flash (Feb 2025): 49.5 (#190), Gemini 2.5 Flash: 53.8 (#157)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Gemini 2.5 Flash |
|---|---|---|
| LMArena Text | 1354 | 1417 |
| LMArena Creative Writing | 1340 | 1400 |
| Short-Story Creative Writing | 73.8% | 76.5% |
| EQ-Bench Creative Writing | 1128 | 1137 |
| WildBench | 80% | 81.7% |
| LMArena Multi-Turn | 1350 | 1408 |
| LiveBench Language | 51.3% | — |
Frequently asked questions
Is Gemini 2.0 Flash (Feb 2025) better than Gemini 2.5 Flash?
Gemini 2.5 Flash is the stronger model overall, scoring 39.3 to 35.1 on the Noometry Index.
Is Gemini 2.0 Flash (Feb 2025) or Gemini 2.5 Flash better for coding?
Gemini 2.5 Flash scores higher on coding benchmarks: 35.8 versus 28.4 in the Noometry coding category.
How many benchmarks do Gemini 2.0 Flash (Feb 2025) and Gemini 2.5 Flash share?
41 benchmarks have published results for both models. Gemini 2.0 Flash (Feb 2025) has 54 scored results on Noometry and Gemini 2.5 Flash has 54.