GPT-5.5
OpenAI · Released Apr 2026
OpenAI's frontier model for complex professional workloads. 1M token context, text + image input, native computer use.
- Strengths
- Frontier multimodal model with a 1M-token context and native computer use.
- Best for
- Complex professional workloads spanning text, images and tool use.
- Limitations
- Frontier pricing stepped up from GPT-5's commodity rates.
Input / 1M
$5.00
Output / 1M
$30.00
Cached input / 1M
$0.5
Context window
1M
Price history
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 23 Apr 2026 | $5.00 | $30.00 | $0.5 | openai.com/api/pricing |