# DeepSeek V4 Pro 0813 vs Grok 4.20

> Side-by-side benchmark comparison for DeepSeek V4 Pro 0813 and Grok 4.20 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/deepseek-v4-pro-0813-vs-grok-4-20-beta
- Last updated: September 27, 2026

- Shared sourced benchmarks: 11
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Pick DeepSeek V4 Pro 0813 if you want the stronger benchmark profile. Grok 4.20 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- DeepSeek V4 Pro 0813 leads overall 63.48 to 59.66.
- The clearest category separation is in agentic, where the averages are 55 for DeepSeek V4 Pro 0813 and 24.5 for Grok 4.20.
- The biggest single benchmark swing is Vibe Code Bench in Coding, with scores of 49.93% and 4.06%.
- Grok 4.20 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Grok 4.20 also has the larger context window at 2M.

## Model Snapshot

| Property | DeepSeek V4 Pro 0813 | Grok 4.20 |
|----------|----------|----------|
| Creator | DeepSeek | xAI |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 2M |
| Overall Score | 63.48 | 59.66 |
| Benchmarks Covered | 42 | 23 |
| Pricing (input/output) | $1.32 / $3.96 | $1.25 / $2.50 |

## Category Breakdown

### Agentic

- Winner: DeepSeek V4 Pro 0813
- DeepSeek V4 Pro 0813 public-lane score: 55 (Supported · #29/105)
- Grok 4.20 public-lane score: 24.5 (Supported · #81/105)

| Benchmark | DeepSeek V4 Pro 0813 | Grok 4.20 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 67.9% | 47.1% | DeepSeek V4 Pro 0813 |
| Terminal-Bench 2.1 | 87.9% | Coming soon | Coming soon |
| BrowseComp | 83.4% | Coming soon | Coming soon |
| HLE w/ tools | 60.0% | Coming soon | Coming soon |
| MCP Atlas | 73.6% | Coming soon | Coming soon |
| Toolathlon | 51.8% | Coming soon | Coming soon |
| CyberGym | 83.3% | Coming soon | Coming soon |
| Toolathlon-Verified | 74.1% | Coming soon | Coming soon |
| Agents' Last Exam | 25.7% | Coming soon | Coming soon |
| AutomationBench | 31.8% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 54.7% | 44.2% | DeepSeek V4 Pro 0813 |
| DeepSearchQA | Coming soon | 62.8% | Coming soon |
| Gert Labs | Coming soon | 38.36% | Coming soon |

### Coding

- Winner: DeepSeek V4 Pro 0813
- DeepSeek V4 Pro 0813 public-lane score: 50.3 (Supported · #39/135)
- Grok 4.20 public-lane score: 23.8 (Supported · #106/135)

| Benchmark | DeepSeek V4 Pro 0813 | Grok 4.20 | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench Pass@1-COT | 93.5% | Coming soon | Coming soon |
| Codeforces | 3206.0 | Coming soon | Coming soon |
| SWE-bench Verified | 80.6% | 76.7% | DeepSeek V4 Pro 0813 |
| SWE-bench Pro | 55.4% | 51.8% | DeepSeek V4 Pro 0813 |
| SWE Multilingual | 76.2% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 67.9% | Coming soon | Coming soon |
| Vibe Code Bench | 49.93% | 4.06% | DeepSeek V4 Pro 0813 |
| Terminal-Bench 2.1 | 87.9% | Coming soon | Coming soon |
| NL2Repo | 61.5% | Coming soon | Coming soon |
| DeepSWE | 62.7% | Coming soon | Coming soon |
| DSBench-FullStack | 71.1% | Coming soon | Coming soon |
| DSBench-Hard | 67.2% | Coming soon | Coming soon |
| OpenHarmony Bench | 59.0% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 87.5% | 84.3% | DeepSeek V4 Pro 0813 |
| SWE-bench (Vals) | 96.4% | 72.2% | DeepSeek V4 Pro 0813 |
| LiveCodeBench Pro | Coming soon | 74.2% | Coming soon |

### Reasoning

- Winner: Not comparable
- DeepSeek V4 Pro 0813 public-lane score: 56.9 (Unranked · 4 rankable rows)
- Grok 4.20 public-lane score: 41.1 (Unranked · 2 rankable rows)

| Benchmark | DeepSeek V4 Pro 0813 | Grok 4.20 | Winner |
|-----------|-----------|-----------|--------|
| MRCR 1M | 83.5% | Coming soon | Coming soon |
| CorpusQA 1M | 62.0% | Coming soon | Coming soon |
| ARC-AGI-1 | 90.00% | Coming soon | Coming soon |
| ARC-AGI-2 | 61.3% | 53.3% | DeepSeek V4 Pro 0813 |
| ARC-AGI-3 | Coming soon | 0.1% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- DeepSeek V4 Pro 0813 public-lane score: Coming soon
- Grok 4.20 public-lane score: 34.6 (#45/50)

| Benchmark | DeepSeek V4 Pro 0813 | Grok 4.20 | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | Coming soon | 75.2% | Coming soon |
| CharXiv | Coming soon | 60.9% | Coming soon |
| ERQA | Coming soon | 54.1% | Coming soon |
| SimpleVQA | Coming soon | 57.4% | Coming soon |
| MedXpertQA (MM) | Coming soon | 65.8% | Coming soon |

### Knowledge

- Winner: Directional only
- DeepSeek V4 Pro 0813 public-lane score: 63.4 (Estimated · #29/158)
- Grok 4.20 public-lane score: 51 (Supported · #55/158)

| Benchmark | DeepSeek V4 Pro 0813 | Grok 4.20 | Winner |
|-----------|-----------|-----------|--------|
| MMLU-Pro | 87.5% | Coming soon | Coming soon |
| SimpleQA | 57.9% | Coming soon | Coming soon |
| Chinese-SimpleQA | 84.4% | Coming soon | Coming soon |
| GPQA | 90.1% | Coming soon | Coming soon |
| GPQA-D | 90.1% | 88.5% | DeepSeek V4 Pro 0813 |
| HLE | 42.7% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 92.4% | 88.6% | DeepSeek V4 Pro 0813 |
| MMLU-Pro (Vals) | 87.0% | 86.3% | DeepSeek V4 Pro 0813 |
| HLE w/o tools | Coming soon | 31.6% | Coming soon |
| HealthBench Hard | Coming soon | 20.3% | Coming soon |
| MedXpertQA (Text) | Coming soon | 50.2% | Coming soon |

### Mathematics

- Winner: Not comparable
- DeepSeek V4 Pro 0813 public-lane score: 80.2 (Unranked · 4 rankable rows)
- Grok 4.20 public-lane score: Coming soon

| Benchmark | DeepSeek V4 Pro 0813 | Grok 4.20 | Winner |
|-----------|-----------|-----------|--------|
| HMMT Feb 2026 | 95.2% | Coming soon | Coming soon |
| IMOAnswerBench | 89.8% | Coming soon | Coming soon |
| Apex | 38.3% | Coming soon | Coming soon |
| Apex Shortlist | 90.2% | Coming soon | Coming soon |

## FAQ

### Which is better overall, DeepSeek V4 Pro 0813 or Grok 4.20?

DeepSeek V4 Pro 0813 is ahead overall on BenchLM right now.

### Where is the biggest gap between DeepSeek V4 Pro 0813 and Grok 4.20?

The widest category gap is in agentic, where the averages are 55 for DeepSeek V4 Pro 0813 and 24.5 for Grok 4.20.

### How many benchmarks does DeepSeek V4 Pro 0813 cover on BenchLM?

DeepSeek V4 Pro 0813 currently has 42 sourced benchmark scores on BenchLM.

### How many benchmarks does Grok 4.20 cover on BenchLM?

Grok 4.20 currently has 23 sourced benchmark scores on BenchLM.

## Related Comparisons

- [DeepSeek V4 Pro 0813 vs Grok 4.20 Multi-agent](/compare/deepseek-v4-pro-0813-vs-grok-4-20-multi-agent-beta)
- [Grok 4.20 vs Grok 4.20 Multi-agent](/compare/grok-4-20-beta-vs-grok-4-20-multi-agent-beta)
- [DeepSeek V4 Pro 0813 vs GPT-6 Astra](/compare/deepseek-v4-pro-0813-vs-gpt-6-astra)
- [Grok 4.20 vs GPT-6 Astra](/compare/gpt-6-astra-vs-grok-4-20-beta)

## Explore More

- [DeepSeek V4 Pro 0813 profile](/models/deepseek-v4-pro-0813)
- [Grok 4.20 profile](/models/grok-4-20-beta)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)