# Grok 4.20 vs Mistral Large 4

> Side-by-side benchmark comparison for Grok 4.20 and Mistral Large 4 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/grok-4-20-beta-vs-mistral-large-4
- Last updated: October 6, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Grok 4.20 and Mistral Large 4 share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Mistral Large 4 has the lower published output-token price.
- Grok 4.20 has the larger published context window at 2M.

## Model Snapshot

| Property | Grok 4.20 | Mistral Large 4 |
|----------|----------|----------|
| Creator | xAI | Mistral |
| Type | Proprietary | Pending |
| Reasoning | Reasoning | Hybrid |
| Context | 2M | 1M |
| Independent public score (not head-to-head) | 57.36 | 53.69 |
| Benchmarks Covered | 23 | 3 |
| Pricing (input/output) | $1.25 / $2.50 | $0.68 / $2.09 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Grok 4.20 public-lane score: 24.2 (Supported · #95/120)
- Mistral Large 4 public-lane score: Coming soon

| Benchmark | Grok 4.20 | Mistral Large 4 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 47.1% | Coming soon | Coming soon |
| DeepSearchQA | 62.8% | Coming soon | Coming soon |
| Gert Labs | 38.36% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 44.2% | Coming soon | Coming soon |
| Cybench | Coming soon | 93.0% | Coming soon |
| Finance Agent v2 | Coming soon | 54.7% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Grok 4.20 public-lane score: 22.9 (Supported · #112/144)
- Mistral Large 4 public-lane score: Coming soon

| Benchmark | Grok 4.20 | Mistral Large 4 | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench Pro | 74.2% | Coming soon | Coming soon |
| SWE-bench Verified | 76.7% | Coming soon | Coming soon |
| SWE-bench Pro | 51.8% | Coming soon | Coming soon |
| Vibe Code Bench | 4.06% | 78.40% | Mistral Large 4 |
| LiveCodeBench (Vals) | 84.3% | Coming soon | Coming soon |
| SWE-bench (Vals) | 72.2% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Grok 4.20 public-lane score: 41.1 (Unranked · 2 rankable rows)
- Mistral Large 4 public-lane score: 78.2 (Unranked · 2 rankable rows)

| Benchmark | Grok 4.20 | Mistral Large 4 | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 53.3% | Coming soon | Coming soon |
| ARC-AGI-3 | 0.1% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Grok 4.20 public-lane score: 35.6 (#44/49)
- Mistral Large 4 public-lane score: 73.6 (Unranked · 1 rankable row)

| Benchmark | Grok 4.20 | Mistral Large 4 | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 75.2% | Coming soon | Coming soon |
| CharXiv | 60.9% | Coming soon | Coming soon |
| ERQA | 54.1% | Coming soon | Coming soon |
| SimpleVQA | 57.4% | Coming soon | Coming soon |
| MedXpertQA (MM) | 65.8% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Grok 4.20 public-lane score: 50.4 (Supported · #66/173)
- Mistral Large 4 public-lane score: 55.1 (Supported · #51/173)

| Benchmark | Grok 4.20 | Mistral Large 4 | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 88.5% | Coming soon | Coming soon |
| HLE w/o tools | 31.6% | Coming soon | Coming soon |
| HealthBench Hard | 20.3% | Coming soon | Coming soon |
| MedXpertQA (Text) | 50.2% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 88.6% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 86.3% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Grok 4.20 and Mistral Large 4?

Not yet. The models share only 1 sourced benchmark row, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Grok 4.20 vs Grok 4.20 Multi-agent](/compare/grok-4-20-beta-vs-grok-4-20-multi-agent-beta)
- [Mistral Large 4 vs Grok 4.20 Multi-agent](/compare/grok-4-20-multi-agent-beta-vs-mistral-large-4)
- [Grok 4.20 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-grok-4-20-beta)
- [Mistral Large 4 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-mistral-large-4)

## Explore More

- [Grok 4.20 profile](/models/grok-4-20-beta)
- [Mistral Large 4 profile](/models/mistral-large-4)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)