Model comparison
Llama 4 Maverick vs Yi-Lightning
Yi-Lightning is the stronger model overall, scoring 37.1 to 30.9 on the Noometry Index.
Last verified . 18 shared benchmarks.
MetaSummary
- They share 18 benchmarks with published results for both. Llama 4 Maverick scores higher in 1 category and Yi-Lightning in 7 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Yi-Lightning leads 25.9 to 10.1.
- Llama 4 Maverick has downloadable open weights; the other is API-only.
Side by side
| Llama 4 Maverick | Yi-Lightning | |
|---|---|---|
| Provider | Meta | 01.AI |
| Noometry Index | 30.9 | 37.1 |
| Released | 2025-04-05 | 2024-12-02 |
| Weights | Open | Proprietary |
| Context window | 128K | — |
| Max output | 4K | — |
| Input $ / M tokens | $0.19 | — |
| Output $ / M tokens | $0.65 | — |
| Results tracked | 54 | 18 |
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Category by category
Coding Too close to call
Llama 4 Maverick: 26.6 (#324), Yi-Lightning: 27.4 (#320)
| Benchmark | Llama 4 Maverick | Yi-Lightning |
|---|---|---|
| Aider Polyglot | 15.6% | 12.9% |
| LMArena Coding | 1302 | 1312 |
| SWE-bench Verified (bash only) | 21% | — |
| SciCode | 33.1% | — |
| WeirdML | 24.5% | — |
| BigCodeBench Instruct | 49.7% | — |
| BigCodeBench Complete | 61.4% | — |
| ALE-Bench | 172.97 | — |
Agentic & Tool Use Not comparable
Llama 4 Maverick: 28.2 (#91), Yi-Lightning: —
| Benchmark | Llama 4 Maverick | Yi-Lightning |
|---|---|---|
| Berkeley Function Calling Leaderboard | 37.3% | — |
Reasoning Yi-Lightning leads
Llama 4 Maverick: 10.1 (#342), Yi-Lightning: 25.9 (#139)
| Benchmark | Llama 4 Maverick | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1281 | 1302 |
| ARC-AGI-2 | 0% | — |
| SimpleBench | 27.7% | — |
| Kagi LLM Benchmark | 55.9% | — |
| NYT Connections (extended) | 8% | — |
| ARC-AGI-1 | 4.4% | — |
| CritPt | 0% | — |
| EnigmaEval | 0.6% | — |
| DTBench | 61.9% | — |
| LMCA | 15.9% | — |
| Epoch Capabilities Index | 132.2 | — |
| ForecastBench | 57.5 | — |
Math Yi-Lightning leads
Llama 4 Maverick: 26.0 (#262), Yi-Lightning: 36.2 (#172)
| Benchmark | Llama 4 Maverick | Yi-Lightning |
|---|---|---|
| LMArena Math | 1299 | 1300 |
| OTIS Mock AIME 2024-2025 | 20.6% | — |
| Omni-MATH | 42.2% | — |
| MATH Level 5 | 73% | — |
| FrontierMath (Feb 2025 set) | 0.7% | — |
Knowledge Yi-Lightning leads
Llama 4 Maverick: 33.4 (#204), Yi-Lightning: 35.4 (#185)
| Benchmark | Llama 4 Maverick | Yi-Lightning |
|---|---|---|
| LMArena Expert | 1259 | 1286 |
| GPQA Diamond | 67% | — |
| Humanity's Last Exam | 5.7% | — |
| MMLU-Pro | 81% | — |
| Confabulations | 22.6% | — |
| Vectara Hallucination Rate | 8.2% | — |
| GPQA (HELM) | 65% | — |
Multimodal Not comparable
Llama 4 Maverick: 31.6 (#105), Yi-Lightning: —
| Benchmark | Llama 4 Maverick | Yi-Lightning |
|---|---|---|
| LMArena Vision | 1142 | — |
| GeoBench | 52% | — |
| SpatialViz-Bench | 31.8% | — |
Multilingual Too close to call
Llama 4 Maverick: 42.2 (#195), Yi-Lightning: 42.2 (#196)
| Benchmark | Llama 4 Maverick | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 1269 | 1269 |
| LMArena Chinese | 1277 | 1320 |
| LMArena French | 1259 | 1305 |
| LMArena German | 1291 | 1267 |
| LMArena Japanese | 1207 | 1228 |
| LMArena Korean | 1203 | 1192 |
| LMArena Russian | 1286 | 1255 |
| LMArena Spanish | 1293 | 1315 |
Instruction Following Llama 4 Maverick leads
Llama 4 Maverick: 71.7 (#146), Yi-Lightning: 67.4 (#196)
| Benchmark | Llama 4 Maverick | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1267 | 1278 |
| IFEval | 90.8% | — |
Long Context Yi-Lightning leads
Llama 4 Maverick: 31.4 (#279), Yi-Lightning: 39.4 (#181)
| Benchmark | Llama 4 Maverick | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 1280 | 1297 |
| Fiction.LiveBench | 46.2% | — |
Writing & Preference Yi-Lightning leads
Llama 4 Maverick: 38.8 (#252), Yi-Lightning: 50.2 (#184)
| Benchmark | Llama 4 Maverick | Yi-Lightning |
|---|---|---|
| LMArena Text | 1287 | 1302 |
| LMArena Creative Writing | 1267 | 1280 |
| LMArena Multi-Turn | 1289 | 1311 |
| Short-Story Creative Writing | 62% | — |
| EQ-Bench Creative Writing | 860 | — |
| WildBench | 80% | — |
Frequently asked questions
Is Llama 4 Maverick better than Yi-Lightning?
Yi-Lightning is the stronger model overall, scoring 37.1 to 30.9 on the Noometry Index.
Is Llama 4 Maverick or Yi-Lightning better for coding?
They score almost the same on coding (26.6 vs 27.4); test both on your own repository before choosing.
How many benchmarks do Llama 4 Maverick and Yi-Lightning share?
18 benchmarks have published results for both models. Llama 4 Maverick has 54 scored results on Noometry and Yi-Lightning has 18.