Model comparison
Grok 4.20 Multi-Agent vs Llama 3-8B
Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 25.5 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 Llama 3-8B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok 4.20 Multi-Agent leads 40.4 to 7.8.
- Llama 3-8B has downloadable open weights; the other is API-only.
Side by side
| Grok 4.20 Multi-Agent | Llama 3-8B | |
|---|---|---|
| Provider | xAI | Meta |
| Noometry Index | 46.2 | 25.5 |
| Released | 2026-03-09 | 2024-04-18 |
| Weights | Proprietary | Open |
| Context window | 1M | — |
| Max output | 30K | — |
| Input $ / M tokens | $1.25 | — |
| Output $ / M tokens | $2.50 | — |
| Results tracked | 20 | 34 |
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Category by category
Coding Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 43.0 (#92), Llama 3-8B: 31.0 (#289)
| Benchmark | Grok 4.20 Multi-Agent | Llama 3-8B |
|---|---|---|
| LMArena Coding | 1457 | 1152 |
| BigCodeBench Instruct | — | 31.9% |
| BigCodeBench Complete | — | 36.9% |
| HumanEval+ | — | 56.7% |
| MBPP+ | — | 54.8% |
Agentic & Tool Use Not comparable
Grok 4.20 Multi-Agent: —, Llama 3-8B: —
| Benchmark | Grok 4.20 Multi-Agent | Llama 3-8B |
|---|---|---|
| LMArena Search | 1204 | — |
Reasoning Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 43.9 (#48), Llama 3-8B: 14.3 (#326)
| Benchmark | Grok 4.20 Multi-Agent | Llama 3-8B |
|---|---|---|
| LMArena Hard Prompts | 1448 | 1133 |
| NYT Connections (extended) | 89.6% | — |
| Chess Puzzles | — | 0% |
| DTBench | — | 43.9% |
| Adversarial NLI | — | 57.3% |
| Epoch Capabilities Index | — | 116.45 |
| ForecastBench | — | 58.6 |
| WinoGrande | — | 75.7% |
Math Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 39.4 (#104), Llama 3-8B: 8.8 (#323)
| Benchmark | Grok 4.20 Multi-Agent | Llama 3-8B |
|---|---|---|
| LMArena Math | 1442 | 1151 |
| OTIS Mock AIME 2024-2025 | — | 1.9% |
| MATH Level 5 | — | 6.1% |
Knowledge Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 40.4 (#119), Llama 3-8B: 7.8 (#308)
| Benchmark | Grok 4.20 Multi-Agent | Llama 3-8B |
|---|---|---|
| LMArena Expert | 1445 | 1113 |
| GPQA Diamond | — | 26.1% |
| ARC (AI2) Challenge | — | 82.8% |
| MMLU | — | 68.8% |
| OpenBookQA | — | 82.6% |
| TriviaQA | — | 67.7% |
Multimodal Not comparable
Grok 4.20 Multi-Agent: 40.5 (#48), Llama 3-8B: —
| Benchmark | Grok 4.20 Multi-Agent | Llama 3-8B |
|---|---|---|
| LMArena Vision | 1259 | — |
Multilingual Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 54.4 (#43), Llama 3-8B: 30.8 (#261)
| Benchmark | Grok 4.20 Multi-Agent | Llama 3-8B |
|---|---|---|
| LMArena Non-English | 1440 | 1098 |
| LMArena Chinese | 1475 | 1076 |
| LMArena French | 1466 | 1159 |
| LMArena German | 1456 | 1104 |
| LMArena Japanese | 1405 | 967 |
| LMArena Korean | 1416 | 1004 |
| LMArena Russian | 1457 | 1109 |
| LMArena Spanish | 1447 | 1173 |
Instruction Following Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 74.8 (#84), Llama 3-8B: 58.4 (#260)
| Benchmark | Grok 4.20 Multi-Agent | Llama 3-8B |
|---|---|---|
| LMArena Instruction Following | 1420 | 1127 |
Long Context Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 43.7 (#88), Llama 3-8B: 34.2 (#251)
| Benchmark | Grok 4.20 Multi-Agent | Llama 3-8B |
|---|---|---|
| LMArena Longer Query | 1431 | 1128 |
Writing & Preference Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 64.0 (#59), Llama 3-8B: 37.5 (#256)
| Benchmark | Grok 4.20 Multi-Agent | Llama 3-8B |
|---|---|---|
| LMArena Text | 1450 | 1166 |
| LMArena Creative Writing | 1436 | 1150 |
| LMArena Multi-Turn | 1452 | 1152 |
Frequently asked questions
Is Grok 4.20 Multi-Agent better than Llama 3-8B?
Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 25.5 on the Noometry Index.
Is Grok 4.20 Multi-Agent or Llama 3-8B better for coding?
Grok 4.20 Multi-Agent scores higher on coding benchmarks: 43.0 versus 31.0 in the Noometry coding category.
How many benchmarks do Grok 4.20 Multi-Agent and Llama 3-8B share?
17 benchmarks have published results for both models. Grok 4.20 Multi-Agent has 20 scored results on Noometry and Llama 3-8B has 34.