Model comparison
Grok 4.20 Multi-Agent vs Magistral Small
Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 30.2 on the Noometry Index. Magistral Small costs 2.1× 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 . 0 shared benchmarks.
Mistral AISummary
- The widest gap is in reasoning, where Grok 4.20 Multi-Agent leads 43.9 to 6.8.
- Magistral Small is cheaper at $0.50 / $1.50 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 128K.
- Magistral Small has downloadable open weights; the other is API-only.
Side by side
| Grok 4.20 Multi-Agent | Magistral Small | |
|---|---|---|
| Provider | xAI | Mistral AI |
| Noometry Index | 46.2 | 30.2 |
| Released | 2026-03-09 | 2025-06-10 |
| Weights | Proprietary | Open |
| Context window | 1M | 128K |
| Max output | 30K | 40K |
| Input $ / M tokens | $1.25 | $0.50 |
| Output $ / M tokens | $2.50 | $1.50 |
| Results tracked | 20 | 10 |
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Category by category
Coding Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 43.0 (#92), Magistral Small: 38.4 (#176)
| Benchmark | Grok 4.20 Multi-Agent | Magistral Small |
|---|---|---|
| SciCode | — | 35.2% |
| LMArena Coding | 1457 | — |
Agentic & Tool Use Not comparable
Grok 4.20 Multi-Agent: —, Magistral Small: —
| Benchmark | Grok 4.20 Multi-Agent | Magistral Small |
|---|---|---|
| LMArena Search | 1204 | — |
Reasoning Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 43.9 (#48), Magistral Small: 6.8 (#350)
| Benchmark | Grok 4.20 Multi-Agent | Magistral Small |
|---|---|---|
| ARC-AGI-2 | — | 0% |
| Kagi LLM Benchmark | — | 6.3% |
| NYT Connections (extended) | 89.6% | — |
| ARC-AGI-1 | — | 5% |
| CritPt | — | 0.3% |
| Chess Puzzles | — | 3% |
| LMArena Hard Prompts | 1448 | — |
| DTBench | — | 61.3% |
| Epoch Capabilities Index | — | 133.19 |
Math Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 39.4 (#104), Magistral Small: 26.2 (#261)
| Benchmark | Grok 4.20 Multi-Agent | Magistral Small |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 30% |
| LMArena Math | 1442 | — |
Knowledge Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 40.4 (#119), Magistral Small: 30.9 (#223)
| Benchmark | Grok 4.20 Multi-Agent | Magistral Small |
|---|---|---|
| GPQA Diamond | — | 56.1% |
| LMArena Expert | 1445 | — |
Multimodal Not comparable
Grok 4.20 Multi-Agent: 40.5 (#48), Magistral Small: —
| Benchmark | Grok 4.20 Multi-Agent | Magistral Small |
|---|---|---|
| LMArena Vision | 1259 | — |
Multilingual Not comparable
Grok 4.20 Multi-Agent: 54.4 (#43), Magistral Small: —
| Benchmark | Grok 4.20 Multi-Agent | Magistral Small |
|---|---|---|
| LMArena Non-English | 1440 | — |
| LMArena Chinese | 1475 | — |
| LMArena French | 1466 | — |
| LMArena German | 1456 | — |
| LMArena Japanese | 1405 | — |
| LMArena Korean | 1416 | — |
| LMArena Russian | 1457 | — |
| LMArena Spanish | 1447 | — |
Instruction Following Not comparable
Grok 4.20 Multi-Agent: 74.8 (#84), Magistral Small: —
| Benchmark | Grok 4.20 Multi-Agent | Magistral Small |
|---|---|---|
| LMArena Instruction Following | 1420 | — |
Long Context Not comparable
Grok 4.20 Multi-Agent: 43.7 (#88), Magistral Small: —
| Benchmark | Grok 4.20 Multi-Agent | Magistral Small |
|---|---|---|
| LMArena Longer Query | 1431 | — |
Writing & Preference Not comparable
Grok 4.20 Multi-Agent: 64.0 (#59), Magistral Small: —
| Benchmark | Grok 4.20 Multi-Agent | Magistral Small |
|---|---|---|
| LMArena Text | 1450 | — |
| LMArena Creative Writing | 1436 | — |
| LMArena Multi-Turn | 1452 | — |
Frequently asked questions
Is Grok 4.20 Multi-Agent better than Magistral Small?
Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 30.2 on the Noometry Index. Magistral Small costs 2.1× 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 Magistral Small?
Magistral Small is cheaper. It lists at $0.50 per million input tokens and $1.50 per million output tokens; Grok 4.20 Multi-Agent lists at $1.25 and $2.50.
Is Grok 4.20 Multi-Agent or Magistral Small better for coding?
Grok 4.20 Multi-Agent scores higher on coding benchmarks: 43.0 versus 38.4 in the Noometry coding category.
Which has the bigger context window?
Grok 4.20 Multi-Agent does, with 1M tokens against 128K.
How many benchmarks do Grok 4.20 Multi-Agent and Magistral Small share?
0 benchmarks have published results for both models. Grok 4.20 Multi-Agent has 20 scored results on Noometry and Magistral Small has 10.