Model comparison
Grok 4.20 Multi-Agent vs Yi-Lightning
Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 37.1 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Grok 4.20 Multi-Agent scores higher in 8 categories and Yi-Lightning in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.20 Multi-Agent leads 43.9 to 25.9.
Side by side
| Grok 4.20 Multi-Agent | Yi-Lightning | |
|---|---|---|
| Provider | xAI | 01.AI |
| Noometry Index | 46.2 | 37.1 |
| Released | 2026-03-09 | 2024-12-02 |
| Weights | Proprietary | Proprietary |
| Context window | 1M | — |
| Max output | 30K | — |
| Input $ / M tokens | $1.25 | — |
| Output $ / M tokens | $2.50 | — |
| Results tracked | 20 | 18 |
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Category by category
Coding Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 43.0 (#92), Yi-Lightning: 27.4 (#320)
| Benchmark | Grok 4.20 Multi-Agent | Yi-Lightning |
|---|---|---|
| LMArena Coding | 1457 | 1312 |
| Aider Polyglot | — | 12.9% |
Agentic & Tool Use Not comparable
Grok 4.20 Multi-Agent: —, Yi-Lightning: —
| Benchmark | Grok 4.20 Multi-Agent | Yi-Lightning |
|---|---|---|
| LMArena Search | 1204 | — |
Reasoning Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 43.9 (#48), Yi-Lightning: 25.9 (#139)
| Benchmark | Grok 4.20 Multi-Agent | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1448 | 1302 |
| NYT Connections (extended) | 89.6% | — |
Math Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 39.4 (#104), Yi-Lightning: 36.2 (#172)
| Benchmark | Grok 4.20 Multi-Agent | Yi-Lightning |
|---|---|---|
| LMArena Math | 1442 | 1300 |
Knowledge Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 40.4 (#119), Yi-Lightning: 35.4 (#185)
| Benchmark | Grok 4.20 Multi-Agent | Yi-Lightning |
|---|---|---|
| LMArena Expert | 1445 | 1286 |
Multimodal Not comparable
Grok 4.20 Multi-Agent: 40.5 (#48), Yi-Lightning: —
| Benchmark | Grok 4.20 Multi-Agent | Yi-Lightning |
|---|---|---|
| LMArena Vision | 1259 | — |
Multilingual Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 54.4 (#43), Yi-Lightning: 42.2 (#196)
| Benchmark | Grok 4.20 Multi-Agent | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 1440 | 1269 |
| LMArena Chinese | 1475 | 1320 |
| LMArena French | 1466 | 1305 |
| LMArena German | 1456 | 1267 |
| LMArena Japanese | 1405 | 1228 |
| LMArena Korean | 1416 | 1192 |
| LMArena Russian | 1457 | 1255 |
| LMArena Spanish | 1447 | 1315 |
Instruction Following Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 74.8 (#84), Yi-Lightning: 67.4 (#196)
| Benchmark | Grok 4.20 Multi-Agent | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1420 | 1278 |
Long Context Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 43.7 (#88), Yi-Lightning: 39.4 (#181)
| Benchmark | Grok 4.20 Multi-Agent | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 1431 | 1297 |
Writing & Preference Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 64.0 (#59), Yi-Lightning: 50.2 (#184)
| Benchmark | Grok 4.20 Multi-Agent | Yi-Lightning |
|---|---|---|
| LMArena Text | 1450 | 1302 |
| LMArena Creative Writing | 1436 | 1280 |
| LMArena Multi-Turn | 1452 | 1311 |
Frequently asked questions
Is Grok 4.20 Multi-Agent better than Yi-Lightning?
Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 37.1 on the Noometry Index.
Is Grok 4.20 Multi-Agent or Yi-Lightning better for coding?
Grok 4.20 Multi-Agent scores higher on coding benchmarks: 43.0 versus 27.4 in the Noometry coding category.
How many benchmarks do Grok 4.20 Multi-Agent and Yi-Lightning share?
17 benchmarks have published results for both models. Grok 4.20 Multi-Agent has 20 scored results on Noometry and Yi-Lightning has 18.