GPT-5.5 (High)
OpenAIProprietary
GPT-5.5 (High) is a vision-language model from OpenAI. It ranks 25 of 167 on LMArena’s overall vision board with 1293±6 from 27,067 votes. Its best category is Homework (#14 of 118). License: Proprietary.
Key figures
- Developer
- OpenAI
- License
- Proprietary
- First seen (our snapshots)
- 2026-10-26
No data: Captioning.
Who it suits
- Overall #25 of 167: upper half.
- Strongest category: Homework (#14 of 118).
- Proprietary; used through OpenAI’s apps or API.
Neighbours on the overall board
| # | Model | Score | Votes | License | Δ vs this model |
|---|---|---|---|---|---|
| 22 |  Gemini 3.1 Pro Preview Google | 1296 | 47,114 | Proprietary | +3 |
| 23 |  Claude Opus 4.8 (High) Anthropic | 1294 | 18,303 | Proprietary | +1 |
| 24 |  GLM-5.3-Flash Z.ai | 1294 | 16,254 | MIT | +1 |
| 25 | GPT-5.5 (High) OpenAI | 1293 | 27,067 | Proprietary | |
| 26 |  Muse Spark 1.1 Meta | 1293 | 12,804 | Proprietary | +0 |
| 27 | GPT-5.4 OpenAI | 1292 | 22,804 | Proprietary | -1 |
| 28 | Claude Opus 4.8 Anthropic | 1289 | 18,800 | Proprietary | -4 |
Alternatives · More from OpenAI
| # | Model | Score | Votes | License |
|---|---|---|---|---|
| 18 | GPT-5.4 (High) OpenAI | 1303 | 30,747 | Proprietary |
| 21 | GPT-5.5 OpenAI | 1297 | 28,781 | Proprietary |
| 27 | GPT-5.4 OpenAI | 1292 | 22,804 | Proprietary |
| 29 | GPT-6.1 Sol (Max) OpenAI | 1288 | 2,330 | Proprietary |
| 35 | GPT-5.6 Sol (xHigh) OpenAI | 1281 | 11,439 | 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 GPT-5.5 (High) rank among vision models?
Overall rank 25 (1293); OCR rank 22 (1304); Diagrams rank 19 (1317); Homework rank 14 (1332); Entity recognition rank 31 (1225); Creative writing rank 15 (1301); Humor rank 17 (1293); English rank 26 (1291); Chinese rank 20 (1357) (LMArena, data as of Oct 26, 2026).
How good is GPT-5.5 (High) at OCR?
GPT-5.5 (High) ranks 22 of 123 on LMArena’s OCR board with 1304 (18,851 votes).
Is GPT-5.5 (High) better with Chinese or English prompts?
Chinese board: #20 of 128 (1357); English board: #26 of 167 (1291). The boards are computed separately, so compare ranks rather than scores.
Is GPT-5.5 (High) open-weight?
No. LMArena lists it as Proprietary; it is available through OpenAI’s apps or API.
How far is GPT-5.5 (High) from #1?
#1 overall is Claude Fable 5 (High) (1325); GPT-5.5 (High) has 1293, 32 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 –.