Model comparison
Grok 4.20 (Non-Reasoning) vs Ministral 3B
Grok 4.20 (Non-Reasoning) is the stronger model overall, scoring 48.5 to 25.6 on the Noometry Index. Ministral 3B costs 39× less per token, which makes it the better buy when Grok 4.20 (Non-Reasoning)'s lead doesn't matter for your workload.
Last verified . 4 shared benchmarks.
Mistral AISummary
- They share 4 benchmarks with published results for both. Grok 4.20 (Non-Reasoning) scores higher in 3 categories and Ministral 3B in 0 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok 4.20 (Non-Reasoning) leads 52.8 to 10.4.
- The biggest single-benchmark swing is GPQA Diamond: 89.3% for Grok 4.20 (Non-Reasoning) and 25.3% for Ministral 3B.
- Ministral 3B is cheaper at $0.04 / $0.04 per million input/output tokens, against $1.25 / $2.50 for Grok 4.20 (Non-Reasoning).
- Grok 4.20 (Non-Reasoning) accepts more context: 1M tokens versus 128K.
- Ministral 3B has downloadable open weights; the other is API-only.
Side by side
| Grok 4.20 (Non-Reasoning) | Ministral 3B | |
|---|---|---|
| Provider | xAI | Mistral AI |
| Noometry Index | 48.5 | 25.6 |
| Released | 2026-02-17 | 2024-10-01 |
| Weights | Proprietary | Open |
| Context window | 1M | 128K |
| Max output | 30K | 128K |
| Input $ / M tokens | $1.25 | $0.04 |
| Output $ / M tokens | $2.50 | $0.04 |
| Results tracked | 46 | 6 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Not comparable
Grok 4.20 (Non-Reasoning): 41.8 (#104), Ministral 3B: —
| Benchmark | Grok 4.20 (Non-Reasoning) | Ministral 3B |
|---|---|---|
| LMArena WebDev | 1374 | — |
| WeirdML | 52.3% | — |
| LMArena Coding | 1458 | — |
| ALE-Bench | 1,150 | — |
Agentic & Tool Use Not comparable
Grok 4.20 (Non-Reasoning): 34.3 (#43), Ministral 3B: —
| Benchmark | Grok 4.20 (Non-Reasoning) | Ministral 3B |
|---|---|---|
| Terminal-Bench | 57.3% | — |
| τ²-bench Banking | 18% | — |
| LMArena Search | 1189 | — |
| Vending-Bench 2 | 4,663 | — |
Reasoning Grok 4.20 (Non-Reasoning) leads
Grok 4.20 (Non-Reasoning): 52.2 (#30), Ministral 3B: 17.7 (#278)
| Benchmark | Grok 4.20 (Non-Reasoning) | Ministral 3B |
|---|---|---|
| DTBench | 90.1% | 51.7% |
| LMCA | 38.7% | 5.5% |
| Epoch Capabilities Index | 152.01 | 118.08 |
| ARC-AGI-2 | 65.1% | — |
| Kagi LLM Benchmark | 75% | — |
| NYT Connections (extended) | 85.4% | — |
| ARC-AGI-1 | 89.5% | — |
| Chess Puzzles | 24% | — |
| Thematic Generalization | 63.8% | — |
| LMArena Hard Prompts | 1451 | — |
| ForecastBench | 61.4 | — |
Math Grok 4.20 (Non-Reasoning) leads
Grok 4.20 (Non-Reasoning): 48.0 (#54), Ministral 3B: 24.5 (#257)
| Benchmark | Grok 4.20 (Non-Reasoning) | Ministral 3B |
|---|---|---|
| FrontierMath (Tiers 1-3) | 44.9% | — |
| FrontierMath Tier 4 | 17.1% | — |
| OTIS Mock AIME 2024-2025 | 92.2% | — |
| ProofBench | 14% | — |
| LMArena Math | 1455 | — |
| MATH Level 5 | — | 14.4% |
Knowledge Grok 4.20 (Non-Reasoning) leads
Grok 4.20 (Non-Reasoning): 52.8 (#54), Ministral 3B: 10.4 (#297)
| Benchmark | Grok 4.20 (Non-Reasoning) | Ministral 3B |
|---|---|---|
| GPQA Diamond | 89.3% | 25.3% |
| SimpleQA Verified | 30.2% | — |
| Vectara Hallucination Rate | — | 7.3% |
| LMArena Expert | 1440 | — |
Multimodal Not comparable
Grok 4.20 (Non-Reasoning): 33.2 (#88), Ministral 3B: —
| Benchmark | Grok 4.20 (Non-Reasoning) | Ministral 3B |
|---|---|---|
| LMArena Vision | 1263 | — |
| Blueprint-Bench 2 | 0% | — |
| LMArena Document | 1416 | — |
Multilingual Not comparable
Grok 4.20 (Non-Reasoning): 54.7 (#38), Ministral 3B: —
| Benchmark | Grok 4.20 (Non-Reasoning) | Ministral 3B |
|---|---|---|
| LMArena Non-English | 1440 | — |
| LMArena Chinese | 1481 | — |
| LMArena French | 1477 | — |
| LMArena German | 1463 | — |
| LMArena Japanese | 1450 | — |
| LMArena Korean | 1417 | — |
| LMArena Russian | 1457 | — |
| LMArena Spanish | 1442 | — |
Instruction Following Not comparable
Grok 4.20 (Non-Reasoning): 75.0 (#79), Ministral 3B: —
| Benchmark | Grok 4.20 (Non-Reasoning) | Ministral 3B |
|---|---|---|
| LMArena Instruction Following | 1420 | — |
Long Context Not comparable
Grok 4.20 (Non-Reasoning): 45.4 (#33), Ministral 3B: —
| Benchmark | Grok 4.20 (Non-Reasoning) | Ministral 3B |
|---|---|---|
| CL-bench | 22.2% | — |
| CL-bench Life | 11.9% | — |
| LMArena Longer Query | 1436 | — |
Writing & Preference Not comparable
Grok 4.20 (Non-Reasoning): 65.9 (#42), Ministral 3B: —
| Benchmark | Grok 4.20 (Non-Reasoning) | Ministral 3B |
|---|---|---|
| LMArena Text | 1451 | — |
| LMArena Creative Writing | 1439 | — |
| EQ-Bench Creative Writing | 1574 | — |
| LMArena Multi-Turn | 1456 | — |
Frequently asked questions
Is Grok 4.20 (Non-Reasoning) better than Ministral 3B?
Grok 4.20 (Non-Reasoning) is the stronger model overall, scoring 48.5 to 25.6 on the Noometry Index. Ministral 3B costs 39× less per token, which makes it the better buy when Grok 4.20 (Non-Reasoning)'s lead doesn't matter for your workload.
Which is cheaper, Grok 4.20 (Non-Reasoning) or Ministral 3B?
Ministral 3B is cheaper. It lists at $0.04 per million input tokens and $0.04 per million output tokens; Grok 4.20 (Non-Reasoning) lists at $1.25 and $2.50.
Which has the bigger context window?
Grok 4.20 (Non-Reasoning) does, with 1M tokens against 128K.
How many benchmarks do Grok 4.20 (Non-Reasoning) and Ministral 3B share?
4 benchmarks have published results for both models. Grok 4.20 (Non-Reasoning) has 46 scored results on Noometry and Ministral 3B has 6.