Model comparison
Grok 4.20 Multi-Agent vs Mistral Medium 3.1
Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 31.5 on the Noometry Index. Mistral Medium 3.1 costs 2.0× 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 . 1 shared benchmarks.
Mistral AISummary
- They share 1 benchmark with published results for both. Grok 4.20 Multi-Agent scores higher in 2 categories and Mistral Medium 3.1 in 0 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.20 Multi-Agent leads 42.4 to 10.1.
- The biggest single-benchmark swing is NYT Connections (extended): 89.6% for Grok 4.20 Multi-Agent and 6.5% for Mistral Medium 3.1.
- Mistral Medium 3.1 is cheaper at $0.40 / $2 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 131K.
Side by side
| Grok 4.20 Multi-Agent | Mistral Medium 3.1 | |
|---|---|---|
| Provider | xAI | Mistral AI |
| Noometry Index | 45.5 | 31.5 |
| Released | 2026-03-09 | — |
| Weights | Proprietary | Proprietary |
| Context window | 1M | 131K |
| Max output | 30K | 105K |
| Input $ / M tokens | $1.25 | $0.40 |
| Output $ / M tokens | $2.50 | $2 |
| Results tracked | 20 | 3 |
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Category by category
Coding Not comparable
Grok 4.20 Multi-Agent: 42.4 (#91), Mistral Medium 3.1: —
| Benchmark | Grok 4.20 Multi-Agent | Mistral Medium 3.1 |
|---|---|---|
| LMArena Coding | 1458 | — |
Agentic & Tool Use Not comparable
Grok 4.20 Multi-Agent: —, Mistral Medium 3.1: —
| Benchmark | Grok 4.20 Multi-Agent | Mistral Medium 3.1 |
|---|---|---|
| LMArena Search | 1204 | — |
Reasoning Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 42.4 (#44), Mistral Medium 3.1: 10.1 (#336)
| Benchmark | Grok 4.20 Multi-Agent | Mistral Medium 3.1 |
|---|---|---|
| NYT Connections (extended) | 89.6% | 6.5% |
| Thematic Generalization | — | 20.3% |
| LMArena Hard Prompts | 1448 | — |
Math Not comparable
Grok 4.20 Multi-Agent: 36.6 (#106), Mistral Medium 3.1: —
| Benchmark | Grok 4.20 Multi-Agent | Mistral Medium 3.1 |
|---|---|---|
| LMArena Math | 1441 | — |
Knowledge Not comparable
Grok 4.20 Multi-Agent: 39.7 (#116), Mistral Medium 3.1: —
| Benchmark | Grok 4.20 Multi-Agent | Mistral Medium 3.1 |
|---|---|---|
| LMArena Expert | 1445 | — |
Multimodal Not comparable
Grok 4.20 Multi-Agent: 39.8 (#44), Mistral Medium 3.1: —
| Benchmark | Grok 4.20 Multi-Agent | Mistral Medium 3.1 |
|---|---|---|
| LMArena Vision | 1259 | — |
Multilingual Not comparable
Grok 4.20 Multi-Agent: 54.6 (#40), Mistral Medium 3.1: —
| Benchmark | Grok 4.20 Multi-Agent | Mistral Medium 3.1 |
|---|---|---|
| LMArena Non-English | 1440 | — |
| LMArena Chinese | 1475 | — |
| LMArena French | 1467 | — |
| LMArena German | 1456 | — |
| LMArena Japanese | 1405 | — |
| LMArena Korean | 1416 | — |
| LMArena Russian | 1457 | — |
| LMArena Spanish | 1447 | — |
Instruction Following Not comparable
Grok 4.20 Multi-Agent: 75.0 (#80), Mistral Medium 3.1: —
| Benchmark | Grok 4.20 Multi-Agent | Mistral Medium 3.1 |
|---|---|---|
| LMArena Instruction Following | 1420 | — |
Long Context Not comparable
Grok 4.20 Multi-Agent: 43.7 (#84), Mistral Medium 3.1: —
| Benchmark | Grok 4.20 Multi-Agent | Mistral Medium 3.1 |
|---|---|---|
| LMArena Longer Query | 1430 | — |
Writing & Preference Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 64.1 (#57), Mistral Medium 3.1: 55.6 (#140)
| Benchmark | Grok 4.20 Multi-Agent | Mistral Medium 3.1 |
|---|---|---|
| LMArena Text | 1450 | — |
| LMArena Creative Writing | 1435 | — |
| EQ-Bench Creative Writing | — | 1476 |
| LMArena Multi-Turn | 1451 | — |
Frequently asked questions
Is Grok 4.20 Multi-Agent better than Mistral Medium 3.1?
Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 31.5 on the Noometry Index. Mistral Medium 3.1 costs 2.0× 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 Mistral Medium 3.1?
Mistral Medium 3.1 is cheaper. It lists at $0.40 per million input tokens and $2 per million output tokens; Grok 4.20 Multi-Agent lists at $1.25 and $2.50.
Which has the bigger context window?
Grok 4.20 Multi-Agent does, with 1M tokens against 131K.
How many benchmarks do Grok 4.20 Multi-Agent and Mistral Medium 3.1 share?
1 benchmark has published results for both models. Grok 4.20 Multi-Agent has 20 scored results on Noometry and Mistral Medium 3.1 has 3.