Grok 4.20 Multi-Agent Beta (0309)

xAIProprietary

Grok 4.20 Multi-Agent Beta (0309) is a vision-language model from xAI. It ranks 57 of 167 on LMArena’s overall vision board with 1259±6 from 24,532 votes. Its best category is Entity recognition (#13 of 51). License: Proprietary.

Key figures

LMArena · Overall1259±6#57 / 167 · Votes 24,532
OCR1261±6#59 / 123 · Votes 17,215
Diagrams1261±9#67 / 123 · Votes 6,514
Homework1275±11#60 / 118 · Votes 3,348
Entity recognition1265±43#13 / 51 · Votes 169
Creative writing1281±15#31 / 104 · Votes 1,692
Humor1281±20#27 / 93 · Votes 935
English1262±8#58 / 167 · Votes 9,842
Chinese1300±17#54 / 128 · Votes 1,722
Developer
xAI
License
Proprietary
First seen (our snapshots)
2026-10-26

No data: Captioning.

Who it suits

  • Overall #57 of 167: upper half.
  • Strongest category: Entity recognition (#13 of 51).
  • Proprietary; used through xAI’s apps or API.

Neighbours on the overall board

#ModelScoreVotesLicenseΔ vs this model
54Qwen3.5-397B-A17B Alibaba126232,657Apache 2.0+3
55Grok 4.20 Beta (Reasoning, 0309) xAI126226,796Proprietary+3
56Gemma 4 26B A4B Google126023,922Apache 2.0+1
57Grok 4.20 Multi-Agent Beta (0309) xAI125924,532Proprietary
58GPT-5.6 Luna (xHigh) OpenAI125711,055Proprietary-2
59MiMo-V2.6-Flash Xiaomi12563,618MIT-3
60Kimi K2.5 (Instant) Moonshot AI12544,111Modified MIT-5

Alternatives · More from xAI

#ModelScoreVotesLicense
31Grok 4.5 xAI128712,599Proprietary
52Grok 4.6 (High) xAI12637,261Proprietary
55Grok 4.20 Beta (Reasoning, 0309) xAI126226,796Proprietary
79Grok 4.7 (xHigh) xAI12313,736Proprietary
80Grok 4.3 xAI122927,901Proprietary

Alternatives · Top open-weight models

#ModelScoreVotesLicense
24GLM-5.3-Flash Z.ai129416,254MIT
34Kimi K2.6 Moonshot AI128216,368Modified MIT
38DeepSeek-V4.1-Flash-20260910 (Max) DeepSeek12784,100MIT
39Gemma 4 31B Google127640,219Apache 2.0
44Qwen3.8-27B Alibaba12697,614Apache 2.0

How to read these scores

  • If two scores differ by less than their ± intervals, the models are statistically close.
  • Each category board is computed independently; do not compare scores across categories.
  • Models with few votes move more; ranks of new entries may change.

FAQ

Where does Grok 4.20 Multi-Agent Beta (0309) rank among vision models?

Overall rank 57 (1259); OCR rank 59 (1261); Diagrams rank 67 (1261); Homework rank 60 (1275); Entity recognition rank 13 (1265); Creative writing rank 31 (1281); Humor rank 27 (1281); English rank 58 (1262); Chinese rank 54 (1300) (LMArena, data as of Oct 26, 2026).

How good is Grok 4.20 Multi-Agent Beta (0309) at OCR?

Grok 4.20 Multi-Agent Beta (0309) ranks 59 of 123 on LMArena’s OCR board with 1261 (17,215 votes).

Is Grok 4.20 Multi-Agent Beta (0309) better with Chinese or English prompts?

Chinese board: #54 of 128 (1300); English board: #58 of 167 (1262). The boards are computed separately, so compare ranks rather than scores.

Is Grok 4.20 Multi-Agent Beta (0309) open-weight?

No. LMArena lists it as Proprietary; it is available through xAI’s apps or API.

How far is Grok 4.20 Multi-Agent Beta (0309) from #1?

#1 overall is Claude Fable 5 (High) (1325); Grok 4.20 Multi-Agent Beta (0309) has 1259, 66 points behind.

Sources

LMArena data published Oct 19, 2026.

Synced here Oct 26, 2026.

Price, context length and release date have no reliable public data here and are not shown; all figures come from snapshots, blanks are –.