# GPT-4.1 nano vs Grok 4.20 Multi-agent

> Side-by-side benchmark comparison for GPT-4.1 nano and Grok 4.20 Multi-agent across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-4-1-nano-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 GPT-4.1 nano and Grok 4.20 Multi-agent.

## Summary

- GPT-4.1 nano 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 | GPT-4.1 nano | Grok 4.20 Multi-agent |
|----------|----------|----------|
| Creator | OpenAI | xAI |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 1M | 2M |
| Independent public score (not head-to-head) | 27.15 | null |
| Benchmarks Covered | 4 | 0 |
| Pricing (input/output) | $0.10 / $0.40 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GPT-4.1 nano public-lane score: 33.4 (Estimated · #136/152)
- Grok 4.20 Multi-agent public-lane score: Coming soon

### Coding

- Winner: Insufficient shared evidence
- GPT-4.1 nano public-lane score: 30.9 (Estimated · #136/151)
- Grok 4.20 Multi-agent public-lane score: Coming soon

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- GPT-4.1 nano public-lane score: 25.3 (Unranked · 1 rankable row)
- Grok 4.20 Multi-agent public-lane score: Coming soon

### Reasoning

- Winner: Insufficient shared evidence
- GPT-4.1 nano public-lane score: 35 (Unranked · 2 rankable rows)
- Grok 4.20 Multi-agent public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- GPT-4.1 nano public-lane score: 29.6 (Supported · #177/183)
- Grok 4.20 Multi-agent public-lane score: Coming soon

| Benchmark | GPT-4.1 nano | Grok 4.20 Multi-agent | Winner |
|-----------|-----------|-----------|--------|
| MMLU | 80.1% | Coming soon | Coming soon |
| GPQA | 50.3% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- GPT-4.1 nano public-lane score: 36.3 (#108/123)
- Grok 4.20 Multi-agent public-lane score: Coming soon

| Benchmark | GPT-4.1 nano | Grok 4.20 Multi-agent | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 83.2% | Coming soon | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- GPT-4.1 nano public-lane score: 25.6 (Unranked · 1 rankable row)
- Grok 4.20 Multi-agent public-lane score: Coming soon

| Benchmark | GPT-4.1 nano | Grok 4.20 Multi-agent | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 1.034% | Coming soon | Coming soon |

## FAQ

### Can I compare GPT-4.1 nano 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

- [GPT-4.1 nano vs GPT-4.1](/compare/gpt-4-1-vs-gpt-4-1-nano)
- [Grok 4.20 Multi-agent vs GPT-4.1](/compare/gpt-4-1-vs-grok-4-20-multi-agent-beta)
- [GPT-4.1 nano vs GPT-4.1 mini](/compare/gpt-4-1-mini-vs-gpt-4-1-nano)
- [Grok 4.20 Multi-agent vs GPT-4.1 mini](/compare/gpt-4-1-mini-vs-grok-4-20-multi-agent-beta)

## Explore More

- [GPT-4.1 nano profile](/models/gpt-4-1-nano)
- [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)