Claude Opus 5.5 (High)
AnthropicProprietary
Claude Opus 5.5 (High) is a vision-language model from Anthropic. It ranks 2 of 167 on LMArena’s overall vision board with 1321±12 from 3,035 votes. Its best category is Homework (#1 of 118). License: Proprietary.
Key figures
- Developer
- Anthropic
- License
- Proprietary
- First seen (our snapshots)
- 2026-10-26
No data: Captioning, Entity recognition, Humor, Chinese.
Who it suits
- Overall #2 of 167: top tier, suited to demanding image-understanding work.
- Strongest category: Homework (#1 of 118).
- Proprietary; used through Anthropic’s apps or API.
Neighbours on the overall board
| # | Model | Score | Votes | License | Δ vs this model |
|---|---|---|---|---|---|
| 1 | Claude Fable 5 (High) Anthropic | 1325 | 14,714 | Proprietary | +4 |
| 2 | Claude Opus 5.5 (High) Anthropic | 1321 | 3,035 | Proprietary | |
| 3 | Claude Opus 5 (High) Anthropic | 1320 | 17,743 | Proprietary | -1 |
| 4 | Claude Fable 5.1 (Max) Anthropic | 1319 | 5,026 | Proprietary | -2 |
| 5 | Claude Opus 4.7 Anthropic | 1317 | 23,139 | Proprietary | -4 |
| 6 | Claude Opus 4.6 (High) Anthropic | 1316 | 22,286 | Proprietary | -5 |
| 7 |  Gemini 3.8 Flash (High) Google | 1315 | 4,645 | Proprietary | -6 |
Alternatives · More from Anthropic
| # | Model | Score | Votes | License |
|---|---|---|---|---|
| 1 | Claude Fable 5 (High) Anthropic | 1325 | 14,714 | Proprietary |
| 3 | Claude Opus 5 (High) Anthropic | 1320 | 17,743 | Proprietary |
| 4 | Claude Fable 5.1 (Max) Anthropic | 1319 | 5,026 | Proprietary |
| 5 | Claude Opus 4.7 Anthropic | 1317 | 23,139 | Proprietary |
| 6 | Claude Opus 4.6 (High) Anthropic | 1316 | 22,286 | 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 Claude Opus 5.5 (High) rank among vision models?
Overall rank 2 (1321); OCR rank 8 (1326); Diagrams rank 3 (1345); Homework rank 1 (1362); Creative writing rank 9 (1320); English rank 7 (1317) (LMArena, data as of Oct 26, 2026).
How good is Claude Opus 5.5 (High) at OCR?
Claude Opus 5.5 (High) ranks 8 of 123 on LMArena’s OCR board with 1326 (2,118 votes).
Is Claude Opus 5.5 (High) open-weight?
No. LMArena lists it as Proprietary; it is available through Anthropic’s apps or API.
How far is Claude Opus 5.5 (High) from #1?
#1 overall is Claude Fable 5 (High) (1325); Claude Opus 5.5 (High) has 1321, 4 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 –.