Claude Opus 4 (Thinking 16K, 20250514)
AnthropicProprietary
Claude Opus 4 (Thinking 16K, 20250514) is a vision-language model from Anthropic. It ranks 99 of 167 on LMArena’s overall vision board with 1192±16 from 1,290 votes. Its best category is OCR (#97 of 123). License: Proprietary.
Key figures
- Developer
- Anthropic
- License
- Proprietary
- First seen (our snapshots)
- 2026-10-26
No data: Captioning, Entity recognition, Creative writing, Humor, Chinese.
Who it suits
- Overall #99 of 167: lower half; consider it mainly for cost or deployment reasons.
- Strongest category: OCR (#97 of 123).
- Proprietary; used through Anthropic’s apps or API.
Neighbours on the overall board
| # | Model | Score | Votes | License | Δ vs this model |
|---|---|---|---|---|---|
| 96 |  GPT-5.4 nano (High) OpenAI | 1196 | 25,624 | Proprietary | +4 |
| 97 | GPT-4.5 Preview (2025-02-27) OpenAI | 1195 | 2,925 | Proprietary | +3 |
| 98 | o4-mini (2025-04-16) OpenAI | 1194 | 41,316 | Proprietary | +2 |
| 99 | Claude Opus 4 (Thinking 16K, 20250514) Anthropic | 1192 | 1,290 | Proprietary | |
| 100 | Claude Sonnet 4 (Thinking 32K, 20250514) Anthropic | 1191 | 1,144 | Proprietary | -1 |
| 101 |  Gemini 2.5 Flash-Lite Preview (Thinking, 06-17) Google | 1187 | 35,914 | Proprietary | -5 |
| 102 | SStep-1o Turbo (202506) StepFun | 1186 | 1,895 | Proprietary | -6 |
Alternatives · More from Anthropic
| # | Model | Score | Votes | License |
|---|---|---|---|---|
| 1 | Claude Fable 5 (High) Anthropic | 1325 | 14,714 | Proprietary |
| 2 | Claude Opus 5.5 (High) Anthropic | 1321 | 3,035 | 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 |
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 4 (Thinking 16K, 20250514) rank among vision models?
Overall rank 99 (1192); OCR rank 97 (1197); Diagrams rank 104 (1179); Homework rank 98 (1197); English rank 109 (1182) (LMArena, data as of Oct 26, 2026).
How good is Claude Opus 4 (Thinking 16K, 20250514) at OCR?
Claude Opus 4 (Thinking 16K, 20250514) ranks 97 of 123 on LMArena’s OCR board with 1197 (835 votes).
Is Claude Opus 4 (Thinking 16K, 20250514) open-weight?
No. LMArena lists it as Proprietary; it is available through Anthropic’s apps or API.
How far is Claude Opus 4 (Thinking 16K, 20250514) from #1?
#1 overall is Claude Fable 5 (High) (1325); Claude Opus 4 (Thinking 16K, 20250514) has 1192, 133 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 –.