GPT-5.5 Instant
OpenAIProprietary
GPT-5.5 Instant is a vision-language model from OpenAI. It ranks 63 of 167 on LMArena’s overall vision board with 1250±9 from 7,590 votes. Its best category is Creative writing (#46 of 104). License: Proprietary.
Key figures
- Developer
- OpenAI
- License
- Proprietary
- First seen (our snapshots)
- 2026-10-26
No data: Captioning, Entity recognition.
Who it suits
- Overall #63 of 167: upper half.
- Strongest category: Creative writing (#46 of 104).
- Proprietary; used through OpenAI’s apps or API.
Neighbours on the overall board
| # | Model | Score | Votes | License | Δ vs this model |
|---|---|---|---|---|---|
| 60 |  Kimi K2.5 (Instant) Moonshot AI | 1254 | 4,111 | Modified MIT | +4 |
| 61 |  Gemini 2.5 Flash Preview (09-2025) Google | 1254 | 4,792 | Proprietary | +4 |
| 62 |  MiniMax-M3 MiniMax | 1251 | 19,844 | MiniMax Community License | +1 |
| 63 | GPT-5.5 Instant OpenAI | 1250 | 7,590 | Proprietary | |
| 64 | GPT-5.1 (High) OpenAI | 1250 | 9,848 | Proprietary | +0 |
| 65 |  ERNIE-5.0-Preview (1220) Baidu | 1248 | 3,349 | Proprietary | -2 |
| 66 |  MiMo-V2.5 Xiaomi | 1247 | 29,381 | MIT | -3 |
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 |
| 25 | GPT-5.5 (High) OpenAI | 1293 | 27,067 | Proprietary |
| 27 | GPT-5.4 OpenAI | 1292 | 22,804 | Proprietary |
| 29 | GPT-6.1 Sol (Max) OpenAI | 1288 | 2,330 | 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 Instant rank among vision models?
Overall rank 63 (1250); OCR rank 65 (1256); Diagrams rank 56 (1273); Homework rank 79 (1247); Creative writing rank 46 (1259); Humor rank 45 (1261); English rank 65 (1254); Chinese rank 63 (1278) (LMArena, data as of Oct 26, 2026).
How good is GPT-5.5 Instant at OCR?
GPT-5.5 Instant ranks 65 of 123 on LMArena’s OCR board with 1256 (5,653 votes).
Is GPT-5.5 Instant better with Chinese or English prompts?
Chinese board: #63 of 128 (1278); English board: #65 of 167 (1254). The boards are computed separately, so compare ranks rather than scores.
Is GPT-5.5 Instant open-weight?
No. LMArena lists it as Proprietary; it is available through OpenAI’s apps or API.
How far is GPT-5.5 Instant from #1?
#1 overall is Claude Fable 5 (High) (1325); GPT-5.5 Instant has 1250, 75 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 –.