# DeepSeek-R1-0528 vs Grok 4.1 Fast

> Side-by-side benchmark comparison for DeepSeek-R1-0528 and Grok 4.1 Fast across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/deepseek-r1-0528-vs-grok-4-1-fast
- Last updated: October 14, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for DeepSeek-R1-0528 and Grok 4.1 Fast.

## Summary

- DeepSeek-R1-0528 and Grok 4.1 Fast do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | DeepSeek-R1-0528 | Grok 4.1 Fast |
|----------|----------|----------|
| Creator | DeepSeek | xAI |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 128K | 1M |
| Independent public score (not head-to-head) | null | 36.27 |
| Benchmarks Covered | 10 | 1 |
| Pricing (input/output) | N/A | $0.20 / $0.50 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- DeepSeek-R1-0528 public-lane score: Coming soon
- Grok 4.1 Fast public-lane score: Coming soon

| Benchmark | DeepSeek-R1-0528 | Grok 4.1 Fast | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | Coming soon | 47.32% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- DeepSeek-R1-0528 public-lane score: Coming soon
- Grok 4.1 Fast public-lane score: Coming soon

| Benchmark | DeepSeek-R1-0528 | Grok 4.1 Fast | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench | 73.3% | Coming soon | Coming soon |
| Codeforces | 1930.0 | Coming soon | Coming soon |
| SWE-bench Verified | 57.6% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- DeepSeek-R1-0528 public-lane score: Coming soon
- Grok 4.1 Fast public-lane score: 47.4 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- DeepSeek-R1-0528 public-lane score: Coming soon
- Grok 4.1 Fast public-lane score: 35.9 (Unranked · 1 rankable row)

### Knowledge

- Winner: Insufficient shared evidence
- DeepSeek-R1-0528 public-lane score: Coming soon
- Grok 4.1 Fast public-lane score: 31.5 (Estimated · #146/181)

| Benchmark | DeepSeek-R1-0528 | Grok 4.1 Fast | Winner |
|-----------|-----------|-----------|--------|
| MMLU-Redux | 93.4% | Coming soon | Coming soon |
| MMLU-Pro | 85% | Coming soon | Coming soon |
| GPQA | 81% | Coming soon | Coming soon |
| SimpleQA | 27.8% | Coming soon | Coming soon |
| HLE | 17.7% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- DeepSeek-R1-0528 public-lane score: Coming soon
- Grok 4.1 Fast public-lane score: 41.9 (#102/128)

### Mathematics

- Winner: Insufficient shared evidence
- DeepSeek-R1-0528 public-lane score: Coming soon
- Grok 4.1 Fast public-lane score: Coming soon

| Benchmark | DeepSeek-R1-0528 | Grok 4.1 Fast | Winner |
|-----------|-----------|-----------|--------|
| AIME 2024 | 91.4% | Coming soon | Coming soon |
| AIME 2025 | 87.5% | Coming soon | Coming soon |

## FAQ

### Can I compare DeepSeek-R1-0528 and Grok 4.1 Fast on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [DeepSeek-R1-0528 vs DeepSeek-R1](/compare/deepseek-r1-vs-deepseek-r1-0528)
- [Grok 4.1 Fast vs DeepSeek-R1](/compare/deepseek-r1-vs-grok-4-1-fast)
- [DeepSeek-R1-0528 vs Grok 4.1 Fast (Reasoning)](/compare/deepseek-r1-0528-vs-grok-4-1-fast-reasoning)
- [Grok 4.1 Fast vs Grok 4.1 Fast (Reasoning)](/compare/grok-4-1-fast-vs-grok-4-1-fast-reasoning)

## Explore More

- [DeepSeek-R1-0528 profile](/models/deepseek-r1-0528)
- [Grok 4.1 Fast profile](/models/grok-4-1-fast)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)