OpenAI: GPT-5.5 Pro
OpenAI: GPT-5.5 Pro is openai's model. It is not yet scored on the meo first-party benchmark; aggregated third-party results and OpenRouter metadata are shown below.
Aggregated third-party benchmarks
| Benchmark | Value | Source |
|---|---|---|
| Median output throughput (tokens/s) | 0 | artificial_analysis |
| Median time to first token (s) | 0 | artificial_analysis |
Artificial Analysis (artificialanalysis.ai). Redistribution requires an AA commercial license.
Model details
- Lab
- openai
- Released
- 2026-04-24
- Weights
- —
- Context
- 1.1M
- Max output
- 128K
- Knowledge cutoff
- 2025-12-01
- Price in
- $30.00/M
- Price out
- $180.00/M
- Modality
- text+image+file->text
Sources: openrouter · artificial_analysis
FAQ
Is OpenAI: GPT-5.5 Pro open weights?
Open-weights status for OpenAI: GPT-5.5 Pro is not recorded.