Model comparison
Grok 4.20 Multi-Agent vs MiniMax-M2.1
Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 38.4 on the Noometry Index. MiniMax-M2.1 costs 3.0× less per token, which makes it the better buy when Grok 4.20 Multi-Agent's lead doesn't matter for your workload.
Last verified . 18 shared benchmarks.
MiniMaxSummary
- They share 18 benchmarks with published results for both. Grok 4.20 Multi-Agent scores higher in 8 categories and MiniMax-M2.1 in 0 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.20 Multi-Agent leads 42.4 to 15.8.
- The biggest single-benchmark swing is NYT Connections (extended): 89.6% for Grok 4.20 Multi-Agent and 11.2% for MiniMax-M2.1.
- MiniMax-M2.1 is cheaper at $0.30 / $1.20 per million input/output tokens, against $1.25 / $2.50 for Grok 4.20 Multi-Agent.
- Grok 4.20 Multi-Agent accepts more context: 1M tokens versus 205K.
- MiniMax-M2.1 has downloadable open weights; the other is API-only.
Side by side
| Grok 4.20 Multi-Agent | MiniMax-M2.1 | |
|---|---|---|
| Provider | xAI | MiniMax |
| Noometry Index | 45.5 | 38.4 |
| Released | 2026-03-09 | 2025-12-23 |
| Weights | Proprietary | Open |
| Context window | 1M | 205K |
| Max output | 30K | 131K |
| Input $ / M tokens | $1.25 | $0.30 |
| Output $ / M tokens | $2.50 | $1.20 |
| Results tracked | 20 | 22 |
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Category by category
Coding Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 42.4 (#91), MiniMax-M2.1: 40.1 (#132)
| Benchmark | Grok 4.20 Multi-Agent | MiniMax-M2.1 |
|---|---|---|
| LMArena Coding | 1458 | 1421 |
| LMArena WebDev | — | 1384 |
| ALE-Bench | — | 623.83 |
Agentic & Tool Use Not comparable
Grok 4.20 Multi-Agent: —, MiniMax-M2.1: 27.7 (#91)
| Benchmark | Grok 4.20 Multi-Agent | MiniMax-M2.1 |
|---|---|---|
| Terminal-Bench | — | 36.6% |
| LMArena Search | 1204 | — |
Reasoning Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 42.4 (#44), MiniMax-M2.1: 15.8 (#301)
| Benchmark | Grok 4.20 Multi-Agent | MiniMax-M2.1 |
|---|---|---|
| NYT Connections (extended) | 89.6% | 11.2% |
| LMArena Hard Prompts | 1448 | 1410 |
Math Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 36.6 (#106), MiniMax-M2.1: 35.6 (#142)
| Benchmark | Grok 4.20 Multi-Agent | MiniMax-M2.1 |
|---|---|---|
| LMArena Math | 1441 | 1396 |
Knowledge Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 39.7 (#116), MiniMax-M2.1: 37.7 (#143)
| Benchmark | Grok 4.20 Multi-Agent | MiniMax-M2.1 |
|---|---|---|
| LMArena Expert | 1445 | 1432 |
| Vectara Hallucination Rate | — | 11.8% |
Multimodal Not comparable
Grok 4.20 Multi-Agent: 39.8 (#44), MiniMax-M2.1: —
| Benchmark | Grok 4.20 Multi-Agent | MiniMax-M2.1 |
|---|---|---|
| LMArena Vision | 1259 | — |
Multilingual Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 54.6 (#40), MiniMax-M2.1: 50.2 (#123)
| Benchmark | Grok 4.20 Multi-Agent | MiniMax-M2.1 |
|---|---|---|
| LMArena Non-English | 1440 | 1378 |
| LMArena Chinese | 1475 | 1430 |
| LMArena French | 1467 | 1405 |
| LMArena German | 1456 | 1380 |
| LMArena Japanese | 1405 | 1287 |
| LMArena Korean | 1416 | 1297 |
| LMArena Russian | 1457 | 1386 |
| LMArena Spanish | 1447 | 1396 |
Instruction Following Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 75.0 (#80), MiniMax-M2.1: 74.0 (#108)
| Benchmark | Grok 4.20 Multi-Agent | MiniMax-M2.1 |
|---|---|---|
| LMArena Instruction Following | 1420 | 1399 |
Long Context Too close to call
Grok 4.20 Multi-Agent: 43.7 (#84), MiniMax-M2.1: 43.2 (#98)
| Benchmark | Grok 4.20 Multi-Agent | MiniMax-M2.1 |
|---|---|---|
| LMArena Longer Query | 1430 | 1416 |
Writing & Preference Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 64.1 (#57), MiniMax-M2.1: 58.5 (#114)
| Benchmark | Grok 4.20 Multi-Agent | MiniMax-M2.1 |
|---|---|---|
| LMArena Text | 1450 | 1392 |
| LMArena Creative Writing | 1435 | 1362 |
| LMArena Multi-Turn | 1451 | 1396 |
Frequently asked questions
Is Grok 4.20 Multi-Agent better than MiniMax-M2.1?
Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 38.4 on the Noometry Index. MiniMax-M2.1 costs 3.0× less per token, which makes it the better buy when Grok 4.20 Multi-Agent's lead doesn't matter for your workload.
Which is cheaper, Grok 4.20 Multi-Agent or MiniMax-M2.1?
MiniMax-M2.1 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; Grok 4.20 Multi-Agent lists at $1.25 and $2.50.
Is Grok 4.20 Multi-Agent or MiniMax-M2.1 better for coding?
Grok 4.20 Multi-Agent scores higher on coding benchmarks: 42.4 versus 40.1 in the Noometry coding category.
Which has the bigger context window?
Grok 4.20 Multi-Agent does, with 1M tokens against 205K.
How many benchmarks do Grok 4.20 Multi-Agent and MiniMax-M2.1 share?
18 benchmarks have published results for both models. Grok 4.20 Multi-Agent has 20 scored results on Noometry and MiniMax-M2.1 has 22.