# Grok 4.20 Multi-agent vs OpenSourceJev (Qwen3.5-4B Q4_K_M, native llama.cpp)

> Side-by-side benchmark comparison for Grok 4.20 Multi-agent and OpenSourceJev (Qwen3.5-4B Q4_K_M, native llama.cpp) across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/grok-4-20-multi-agent-beta-vs-jevbench-opensourcejev-qwen35-4b-q4km
- Last updated: September 30, 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 Grok 4.20 Multi-agent and OpenSourceJev (Qwen3.5-4B Q4_K_M, native llama.cpp).

## Summary

- Grok 4.20 Multi-agent and OpenSourceJev (Qwen3.5-4B Q4_K_M, native llama.cpp) 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 | Grok 4.20 Multi-agent | OpenSourceJev (Qwen3.5-4B Q4_K_M, native llama.cpp) |
|----------|----------|----------|
| Creator | xAI | sabeel111 |
| Type | Proprietary | Unknown |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 2M | null |
| Independent public score (not head-to-head) | null | null |
| Benchmarks Covered | 0 | 2 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Reasoning

- Winner: Insufficient shared evidence
- Grok 4.20 Multi-agent public-lane score: Coming soon
- OpenSourceJev (Qwen3.5-4B Q4_K_M, native llama.cpp) public-lane score: Coming soon

| Benchmark | Grok 4.20 Multi-agent | OpenSourceJev (Qwen3.5-4B Q4_K_M, native llama.cpp) | Winner |
|-----------|-----------|-----------|--------|
| JevBench 1.4 | Coming soon | 40.87 | Coming soon |
| JevBench 1.5 | Coming soon | 13.25 | Coming soon |

## FAQ

### Can I compare Grok 4.20 Multi-agent and OpenSourceJev (Qwen3.5-4B Q4_K_M, native llama.cpp) 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

- [Grok 4.20 Multi-agent vs Grok 4.20](/compare/grok-4-20-beta-vs-grok-4-20-multi-agent-beta)
- [OpenSourceJev (Qwen3.5-4B Q4_K_M, native llama.cpp) vs Grok 4.20](/compare/grok-4-20-beta-vs-jevbench-opensourcejev-qwen35-4b-q4km)
- [Grok 4.20 Multi-agent vs GPT-6 Astra](/compare/gpt-6-astra-vs-grok-4-20-multi-agent-beta)
- [OpenSourceJev (Qwen3.5-4B Q4_K_M, native llama.cpp) vs GPT-6 Astra](/compare/gpt-6-astra-vs-jevbench-opensourcejev-qwen35-4b-q4km)

## Explore More

- [Grok 4.20 Multi-agent profile](/models/grok-4-20-multi-agent-beta)
- [OpenSourceJev (Qwen3.5-4B Q4_K_M, native llama.cpp) profile](/models/jevbench-opensourcejev-qwen35-4b-q4km)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)