# Gemini 3 Pro vs Grok 4.20 Multi-agent

> Side-by-side benchmark comparison for Gemini 3 Pro and Grok 4.20 Multi-agent across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-pro-vs-grok-4-20-multi-agent-beta
- Last updated: September 10, 2026

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

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Gemini 3 Pro and Grok 4.20 Multi-agent.

## Summary

- Gemini 3 Pro and Grok 4.20 Multi-agent 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 | Gemini 3 Pro | Grok 4.20 Multi-agent |
|----------|----------|----------|
| Creator | Google | xAI |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 2M | 2M |
| Independent public score (not head-to-head) | 66.43 | null |
| Benchmarks Covered | 12 | 0 |
| Pricing (input/output) | $2.00 / $12.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemini 3 Pro public-lane score: 58.5 (Estimated · #26/152)
- Grok 4.20 Multi-agent public-lane score: Coming soon

| Benchmark | Gemini 3 Pro | Grok 4.20 Multi-agent | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 63.23% | Coming soon | Coming soon |
| JobBench | 11.4% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Gemini 3 Pro public-lane score: 59.9 (Estimated · #22/151)
- Grok 4.20 Multi-agent public-lane score: Coming soon

| Benchmark | Gemini 3 Pro | Grok 4.20 Multi-agent | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 14.30% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemini 3 Pro public-lane score: 74.2 (#17/48)
- Grok 4.20 Multi-agent public-lane score: Coming soon

| Benchmark | Gemini 3 Pro | Grok 4.20 Multi-agent | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 81% | Coming soon | Coming soon |
| MathVision | 86.6% | Coming soon | Coming soon |
| VideoMMMU | 87.6% | Coming soon | Coming soon |
| ScreenSpot Pro | 72.7% | Coming soon | Coming soon |
| CharXiv | 81.4% | Coming soon | Coming soon |
| V* | 88.0% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Gemini 3 Pro public-lane score: 36.7 (Unranked · 3 rankable rows)
- Grok 4.20 Multi-agent public-lane score: Coming soon

| Benchmark | Gemini 3 Pro | Grok 4.20 Multi-agent | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 31.1% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Gemini 3 Pro public-lane score: 64.7 (Estimated · #25/183)
- Grok 4.20 Multi-agent public-lane score: Coming soon

### Instruction Following

- Winner: Insufficient shared evidence
- Gemini 3 Pro public-lane score: 86.1 (#39/123)
- Grok 4.20 Multi-agent public-lane score: Coming soon

### Mathematics

- Winner: Insufficient shared evidence
- Gemini 3 Pro public-lane score: 55.4 (Unranked · 2 rankable rows)
- Grok 4.20 Multi-agent public-lane score: Coming soon

| Benchmark | Gemini 3 Pro | Grok 4.20 Multi-agent | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 37.600% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 18.750% | Coming soon | Coming soon |

## FAQ

### Can I compare Gemini 3 Pro and Grok 4.20 Multi-agent 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

- [Gemini 3 Pro vs Gemini 3 Pro Deep Think](/compare/gemini-3-pro-vs-gemini-3-pro-deep-think)
- [Grok 4.20 Multi-agent vs Gemini 3 Pro Deep Think](/compare/gemini-3-pro-deep-think-vs-grok-4-20-multi-agent-beta)
- [Gemini 3 Pro vs Grok 4.20](/compare/gemini-3-pro-vs-grok-4-20-beta)
- [Grok 4.20 Multi-agent vs Grok 4.20](/compare/grok-4-20-beta-vs-grok-4-20-multi-agent-beta)

## Explore More

- [Gemini 3 Pro profile](/models/gemini-3-pro)
- [Grok 4.20 Multi-agent profile](/models/grok-4-20-multi-agent-beta)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)