Claude Opus 4.8

AnthropicProprietary

Claude Opus 4.8 is a vision-language model from Anthropic. It ranks 28 of 167 on LMArena’s overall vision board with 1289±6 from 18,800 votes. Its best category is Homework (#17 of 118). License: Proprietary.

Key figures

LMArena · Overall1289±6#28 / 167 · Votes 18,800
OCR1298±7#28 / 123 · Votes 13,248
Diagrams1302±9#33 / 123 · Votes 4,921
Homework1328±13#17 / 118 · Votes 2,232
Creative writing1292±17#24 / 104 · Votes 1,396
Humor1281±22#26 / 93 · Votes 783
English1293±9#21 / 167 · Votes 7,311
Chinese1346±20#26 / 128 · Votes 1,131
Developer
Anthropic
License
Proprietary
First seen (our snapshots)
2026-10-26

No data: Captioning, Entity recognition.

Who it suits

  • Overall #28 of 167: upper half.
  • Strongest category: Homework (#17 of 118).
  • Proprietary; used through Anthropic’s apps or API.

Neighbours on the overall board

#ModelScoreVotesLicenseΔ vs this model
25GPT-5.5 (High) OpenAI129327,067Proprietary+4
26Muse Spark 1.1 Meta129312,804Proprietary+4
27GPT-5.4 OpenAI129222,804Proprietary+3
28Claude Opus 4.8 Anthropic128918,800Proprietary
29GPT-6.1 Sol (Max) OpenAI12882,330Proprietary-1
30Claude Sonnet 5.5 (xHigh) Anthropic12872,564Proprietary-2
31Grok 4.5 xAI128712,599Proprietary-2

Alternatives · More from Anthropic

#ModelScoreVotesLicense
1Claude Fable 5 (High) Anthropic132514,714Proprietary
2Claude Opus 5.5 (High) Anthropic13213,035Proprietary
3Claude Opus 5 (High) Anthropic132017,743Proprietary
4Claude Fable 5.1 (Max) Anthropic13195,026Proprietary
5Claude Opus 4.7 Anthropic131723,139Proprietary

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 Claude Opus 4.8 rank among vision models?

Overall rank 28 (1289); OCR rank 28 (1298); Diagrams rank 33 (1302); Homework rank 17 (1328); Creative writing rank 24 (1292); Humor rank 26 (1281); English rank 21 (1293); Chinese rank 26 (1346) (LMArena, data as of Oct 26, 2026).

How good is Claude Opus 4.8 at OCR?

Claude Opus 4.8 ranks 28 of 123 on LMArena’s OCR board with 1298 (13,248 votes).

Is Claude Opus 4.8 better with Chinese or English prompts?

Chinese board: #26 of 128 (1346); English board: #21 of 167 (1293). The boards are computed separately, so compare ranks rather than scores.

Is Claude Opus 4.8 open-weight?

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

How far is Claude Opus 4.8 from #1?

#1 overall is Claude Fable 5 (High) (1325); Claude Opus 4.8 has 1289, 36 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 –.