Grok 4.3
xAIProprietary
Grok 4.3 is a vision-language model from xAI. It ranks 80 of 167 on LMArena’s overall vision board with 1229±6 from 27,901 votes. Its best category is Creative writing (#62 of 104). License: Proprietary.
Key figures
- Developer
- xAI
- License
- Proprietary
- First seen (our snapshots)
- 2026-10-26
No data: Captioning.
Who it suits
- Overall #80 of 167: upper half.
- Strongest category: Creative writing (#62 of 104).
- Proprietary; used through xAI’s apps or API.
Neighbours on the overall board
| # | Model | Score | Votes | License | Δ vs this model |
|---|---|---|---|---|---|
| 77 |  GPT-5.1 OpenAI | 1235 | 10,801 | Proprietary | +6 |
| 78 | GPT-5 Chat OpenAI | 1232 | 39,894 | Proprietary | +3 |
| 79 | Grok 4.7 (xHigh) xAI | 1231 | 3,736 | Proprietary | +2 |
| 80 | Grok 4.3 xAI | 1229 | 27,901 | Proprietary | |
| 81 | GPT-5.2 OpenAI | 1229 | 20,100 | Proprietary | +0 |
| 82 |  MiMo-V2-Omni Xiaomi | 1228 | 10,650 | Proprietary | -1 |
| 83 |  Mistral Medium 3.5 Mistral | 1222 | 5,375 | Modified MIT | -7 |
Alternatives · More from xAI
| # | Model | Score | Votes | License |
|---|---|---|---|---|
| 31 | Grok 4.5 xAI | 1287 | 12,599 | Proprietary |
| 52 | Grok 4.6 (High) xAI | 1263 | 7,261 | Proprietary |
| 55 | Grok 4.20 Beta (Reasoning, 0309) xAI | 1262 | 26,796 | Proprietary |
| 57 | Grok 4.20 Multi-Agent Beta (0309) xAI | 1259 | 24,532 | Proprietary |
| 79 | Grok 4.7 (xHigh) xAI | 1231 | 3,736 | Proprietary |
Alternatives · Top open-weight models
| # | Model | Score | Votes | License |
|---|---|---|---|---|
| 24 |  GLM-5.3-Flash Z.ai | 1294 | 16,254 | MIT |
| 34 |  Kimi K2.6 Moonshot AI | 1282 | 16,368 | Modified MIT |
| 38 |  DeepSeek-V4.1-Flash-20260910 (Max) DeepSeek | 1278 | 4,100 | MIT |
| 39 |  Gemma 4 31B Google | 1276 | 40,219 | Apache 2.0 |
| 44 |  Qwen3.8-27B Alibaba | 1269 | 7,614 | Apache 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 4.3 rank among vision models?
Overall rank 80 (1229); OCR rank 82 (1235); Diagrams rank 84 (1241); Homework rank 82 (1241); Entity recognition rank 35 (1217); Creative writing rank 62 (1237); Humor rank 66 (1222); English rank 78 (1235); Chinese rank 72 (1257) (LMArena, data as of Oct 26, 2026).
How good is Grok 4.3 at OCR?
Grok 4.3 ranks 82 of 123 on LMArena’s OCR board with 1235 (19,659 votes).
Is Grok 4.3 better with Chinese or English prompts?
Chinese board: #72 of 128 (1257); English board: #78 of 167 (1235). The boards are computed separately, so compare ranks rather than scores.
Is Grok 4.3 open-weight?
No. LMArena lists it as Proprietary; it is available through xAI’s apps or API.
How far is Grok 4.3 from #1?
#1 overall is Claude Fable 5 (High) (1325); Grok 4.3 has 1229, 96 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 –.