Model comparison
Gemini 2.5 Pro vs Yi-1.5-34B
Gemini 2.5 Pro is the stronger model overall, scoring 44.9 to 30.2 on the Noometry Index.
Last verified . 19 shared benchmarks.
GoogleSummary
- They share 19 benchmarks with published results for both. Gemini 2.5 Pro scores higher in 8 categories and Yi-1.5-34B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Gemini 2.5 Pro leads 55.8 to 14.8.
- The biggest single-benchmark swing is MATH Level 5: 95.9% for Gemini 2.5 Pro and 25.5% for Yi-1.5-34B.
- Yi-1.5-34B has downloadable open weights; the other is API-only.
Side by side
| Gemini 2.5 Pro | Yi-1.5-34B | |
|---|---|---|
| Provider | 01.AI | |
| Noometry Index | 44.9 | 30.2 |
| Released | 2025-03-25 | 2024-05-13 |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 66K | — |
| Input $ / M tokens | $1.25 | — |
| Output $ / M tokens | $10 | — |
| Results tracked | 78 | 21 |
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Category by category
Coding Gemini 2.5 Pro leads
Gemini 2.5 Pro: 42.8 (#86), Yi-1.5-34B: 31.9 (#267)
| Benchmark | Gemini 2.5 Pro | Yi-1.5-34B |
|---|---|---|
| LMArena Coding | 1452 | 1169 |
| SWE-bench Verified | 57.6% | — |
| SWE-bench Verified (bash only) | 53.6% | — |
| Aider Polyglot | 83.1% | — |
| LMArena WebDev | 1227 | — |
| SciCode | 42.8% | — |
| GSO | 3.9% | — |
| WeirdML | 54% | — |
| BigCodeBench Instruct | — | 33.9% |
| LiveBench Coding | 85.9% | — |
| BigCodeBench Complete | — | 43.8% |
| CadEval | 64% | — |
| ALE-Bench | 785.52 | — |
| AlgoTune | 1.51 | — |
Agentic & Tool Use Not comparable
Gemini 2.5 Pro: 29.1 (#81), Yi-1.5-34B: —
| Benchmark | Gemini 2.5 Pro | Yi-1.5-34B |
|---|---|---|
| Terminal-Bench | 32.6% | — |
| GDPval | 23.3% | — |
| Remote Labor Index | 0.8% | — |
| TheAgentCompany | 30.3% | — |
| τ²-bench Banking | 13.7% | — |
| DeepResearch Bench | 42.8% | — |
| BALROG | 43.3% | — |
| LMArena Search | 1142 | — |
| METR Time Horizons | 55.4% | — |
| Vending-Bench 2 | 573.64 | — |
Reasoning Gemini 2.5 Pro leads
Gemini 2.5 Pro: 28.8 (#85), Yi-1.5-34B: 21.5 (#195)
| Benchmark | Gemini 2.5 Pro | Yi-1.5-34B |
|---|---|---|
| LMArena Hard Prompts | 1455 | 1160 |
| ARC-AGI-2 | 4.9% | — |
| SimpleBench | 62.4% | — |
| Kagi LLM Benchmark | 70.3% | — |
| ARC-AGI-1 | 41% | — |
| CritPt | 2% | — |
| Chess Puzzles | 20% | — |
| EnigmaEval | 5.6% | — |
| LiveBench Reasoning | 89.8% | — |
| DTBench | 82.4% | — |
| LiveBench Data Analysis | 79.9% | — |
| LMCA | 34.8% | — |
| Epoch Capabilities Index | 145.32 | — |
| ForecastBench | 61.3 | — |
| LiveBench | 82.3% | — |
Math Gemini 2.5 Pro leads
Gemini 2.5 Pro: 31.9 (#191), Yi-1.5-34B: 25.3 (#248)
| Benchmark | Gemini 2.5 Pro | Yi-1.5-34B |
|---|---|---|
| LMArena Math | 1450 | 1182 |
| MATH Level 5 | 95.9% | 25.5% |
| FrontierMath (Tiers 1-3) | 24.6% | — |
| FrontierMath Tier 4 | 0% | — |
| OTIS Mock AIME 2024-2025 | 84.7% | — |
| Omni-MATH | 41.6% | — |
| LiveBench Math | 90.2% | — |
| FrontierMath (Feb 2025 set) | 14.1% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Gemini 2.5 Pro leads
Gemini 2.5 Pro: 55.8 (#41), Yi-1.5-34B: 14.8 (#290)
| Benchmark | Gemini 2.5 Pro | Yi-1.5-34B |
|---|---|---|
| GPQA Diamond | 85.3% | 32% |
| LMArena Expert | 1452 | 1144 |
| Humanity's Last Exam | 21.6% | — |
| MMLU-Pro | 86.3% | — |
| Confabulations | 10.6% | — |
| Vectara Hallucination Rate | 7% | — |
| GPQA (HELM) | 74.9% | — |
Multimodal Not comparable
Gemini 2.5 Pro: 44.5 (#16), Yi-1.5-34B: —
| Benchmark | Gemini 2.5 Pro | Yi-1.5-34B |
|---|---|---|
| LMArena Vision | 1263 | — |
| GeoBench | 86% | — |
| VPCT | 48% | — |
| LMArena Document | 1421 | — |
| SpatialViz-Bench | 44.7% | — |
Multilingual Gemini 2.5 Pro leads
Gemini 2.5 Pro: 55.5 (#30), Yi-1.5-34B: 32.5 (#251)
| Benchmark | Gemini 2.5 Pro | Yi-1.5-34B |
|---|---|---|
| LMArena Non-English | 1452 | 1121 |
| LMArena Chinese | 1507 | 1213 |
| LMArena French | 1473 | 1155 |
| LMArena German | 1487 | 1111 |
| LMArena Japanese | 1462 | 1021 |
| LMArena Korean | 1435 | 1005 |
| LMArena Russian | 1460 | 1091 |
| LMArena Spanish | 1473 | 1120 |
Instruction Following Gemini 2.5 Pro leads
Gemini 2.5 Pro: 75.2 (#71), Yi-1.5-34B: 59.4 (#252)
| Benchmark | Gemini 2.5 Pro | Yi-1.5-34B |
|---|---|---|
| LMArena Instruction Following | 1436 | 1139 |
| LiveBench Instruction Following | 80.6% | — |
| IFEval | 84% | — |
Long Context Gemini 2.5 Pro leads
Gemini 2.5 Pro: 59.7 (#5), Yi-1.5-34B: 34.6 (#243)
| Benchmark | Gemini 2.5 Pro | Yi-1.5-34B |
|---|---|---|
| LMArena Longer Query | 1449 | 1144 |
| Fiction.LiveBench | 91.7% | — |
Writing & Preference Gemini 2.5 Pro leads
Gemini 2.5 Pro: 63.9 (#60), Yi-1.5-34B: 37.6 (#252)
| Benchmark | Gemini 2.5 Pro | Yi-1.5-34B |
|---|---|---|
| LMArena Text | 1458 | 1173 |
| LMArena Creative Writing | 1453 | 1135 |
| LMArena Multi-Turn | 1453 | 1153 |
| Short-Story Creative Writing | 83.8% | — |
| EQ-Bench Creative Writing | 1421 | — |
| WildBench | 85.7% | — |
| LiveBench Language | 67.8% | — |
Frequently asked questions
Is Gemini 2.5 Pro better than Yi-1.5-34B?
Gemini 2.5 Pro is the stronger model overall, scoring 44.9 to 30.2 on the Noometry Index.
Is Gemini 2.5 Pro or Yi-1.5-34B better for coding?
Gemini 2.5 Pro scores higher on coding benchmarks: 42.8 versus 31.9 in the Noometry coding category.
How many benchmarks do Gemini 2.5 Pro and Yi-1.5-34B share?
19 benchmarks have published results for both models. Gemini 2.5 Pro has 78 scored results on Noometry and Yi-1.5-34B has 21.