# Grok 4.20 vs LFM3-VL-2B

> Side-by-side benchmark comparison for Grok 4.20 and LFM3-VL-2B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/grok-4-20-beta-vs-lfm3-vl-2b
- Last updated: October 27, 2026

- Shared sourced benchmarks: 3
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Grok 4.20 and LFM3-VL-2B share only 3 sourced benchmark rows.

## Summary

- Only 3 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- LFM3-VL-2B has the lower published output-token price.
- Grok 4.20 has the larger published context window at 2M.

## Model Snapshot

| Property | Grok 4.20 | LFM3-VL-2B |
|----------|----------|----------|
| Creator | xAI | LiquidAI |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 2M | 128K |
| Independent public score (not head-to-head) | 57.6 | null |
| Benchmarks Covered | 24 | 20 |
| Pricing (input/output) | $1.25 / $2.50 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Grok 4.20 public-lane score: 25.6 (Supported · #109/134)
- LFM3-VL-2B public-lane score: Coming soon

| Benchmark | Grok 4.20 | LFM3-VL-2B | 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 |
| MazeBench | 0% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Grok 4.20 public-lane score: 21.8 (Supported · #122/155)
- LFM3-VL-2B public-lane score: Coming soon

| Benchmark | Grok 4.20 | LFM3-VL-2B | 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% | Coming soon | Coming soon |
| 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: 44.9 (Unranked · 2 rankable rows)
- LFM3-VL-2B public-lane score: Coming soon

| Benchmark | Grok 4.20 | LFM3-VL-2B | 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: 54.3 (#50/58)
- LFM3-VL-2B public-lane score: 19.6 (Unranked · 19 rankable rows)

| Benchmark | Grok 4.20 | LFM3-VL-2B | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 75.2% | 45.7% | Grok 4.20 |
| CharXiv | 60.9% | Coming soon | Coming soon |
| ERQA | 54.1% | 48.2% | Grok 4.20 |
| SimpleVQA | 57.4% | 36.3% | Grok 4.20 |
| MedXpertQA (MM) | 65.8% | Coming soon | Coming soon |
| RealWorldQA | Coming soon | 79.3% | Coming soon |
| CountBench | Coming soon | 93.0% | Coming soon |
| MMMU | Coming soon | 55.7% | Coming soon |
| OCRBench V2 | Coming soon | 63.5% | Coming soon |
| RefCOCO (avg) | Coming soon | 90.5% | Coming soon |
| V* | Coming soon | 86.4% | Coming soon |
| CharXiv w/o tools | Coming soon | 70.2% | Coming soon |
| MathVision | Coming soon | 51.6% | Coming soon |
| DynaMath | Coming soon | 79.2% | Coming soon |
| We-Math | Coming soon | 68.6% | Coming soon |
| ScreenSpot Pro | Coming soon | 55.5% | Coming soon |
| LVBench | Coming soon | 41.2% | Coming soon |
| MLVU (M-Avg) | Coming soon | 71.3% | Coming soon |
| MMVU | Coming soon | 52.9% | Coming soon |
| Video-MME (w/o subtitle) | Coming soon | 62.8% | Coming soon |
| Video-MME (with subtitle) | Coming soon | 69.0% | Coming soon |
| VideoMMMU | Coming soon | 49.6% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Grok 4.20 public-lane score: 52.8 (Supported · #72/189)
- LFM3-VL-2B public-lane score: Coming soon

| Benchmark | Grok 4.20 | LFM3-VL-2B | 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 LFM3-VL-2B?

Not yet. The models share only 3 sourced benchmark rows, 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)
- [LFM3-VL-2B vs Grok 4.20 Multi-agent](/compare/grok-4-20-multi-agent-beta-vs-lfm3-vl-2b)
- [Grok 4.20 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-grok-4-20-beta)
- [LFM3-VL-2B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-lfm3-vl-2b)

## Explore More

- [Grok 4.20 profile](/models/grok-4-20-beta)
- [LFM3-VL-2B profile](/models/lfm3-vl-2b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)