MDL
GPT-5.5 Pro
OpenAI
Verified against Artificial Analysis · Jul 13, 2026
Capability
—
percentile index
Price /M
$0 / $0
in / out
Context
1.1M
tokens
Avg score
—
Weights
Closed
Released
Apr 23, 2026
About
GPT-5.5 Pro is a proprietary model in the GPT family from OpenAI.
Benchmark scores · 0
No benchmark scores yet.
The research behind this model
all papers mentioning it →Mentions matched by name in title/abstract — from the arXiv + HF daily corpus.
API providers
Artificial Analysis$0/M