OpenAI
GPT-5.5 (high)
GPT-5.5 (high) is an OpenAI GPT-5.5 profile in this benchmark snapshot, part of the newest GPT-5.5 generation described by OpenAI as its most capable model line for ChatGPT and Codex work. Use this page to compare its reasoning setting against sibling GPT-5.5 variants on intelligence, coding, speed, latency, and price.
Introducing GPT-5.5Model Snapshot
ReleaseApr 23, 2026
Overall
Rank #11 across 526
53.1
Coding
Rank #3 across 436
58.5
Blended Price
Rank #339 across 357
$11.25/M
Strength Profile
Percentile score by analysis domain.
* Cost is inverted: lower input, output, and blended prices rank higher.
Benchmark Percentiles
Higher bars mean stronger relative placement.
Model Details
Runtime
Output Speed61.6 tok/s
First Token20.70s
Max Outputn/a
Pricing
Blended$11.25/M
All Benchmarks
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 53.1 | #11 |
| Artificial Analysis Coding Index | coding | 58.5 | #3 |
| GPQA | reasoning | 93.2% | #3 |
| Humanity's Last Exam | reasoning | 43.0% | #5 |
| SciCode |