GPT-5.5
OpenAIProprietary
2 models2026Up to 1M ctxFrom $5/1M input
About
GPT-5.5 is OpenAI's fully retrained frontier model family, released April 23, 2026. Designed for agentic coding, computer use, knowledge work, and early scientific research. The family includes standard and Pro variants, with the Pro targeting advanced math, business, legal, and data science tasks.
Specifications(2 models)
| Model | Released | Context | Vision | Multimodal | Reasoning | Fn Calling | Tool Use | Structured Outputs | Code Exec |
|---|---|---|---|---|---|---|---|---|---|
| GPT-5.5 | 2026-04 | 1M | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| GPT-5.5 Pro | 2026-04 | 1M | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Available From(1 provider)
Pricing
| Model | Provider | Input / 1M | Output / 1M | Type |
|---|---|---|---|---|
| GPT-5.5 | OpenAI API | $5 | $30 | Serverless |
| GPT-5.5 Pro | OpenAI API | $30 | $180 | Serverless |
Comparisons
- GPT-5.5 vs GPT-5.4
- GPT-5.5 vs Claude Opus 4.7
- GPT-5.5 vs Claude Sonnet 4.6
- GPT-5.5 vs Gemini 3.1 Pro
- GPT-5.5 vs DeepSeek V4 Pro
- GPT-5.5 vs Grok 4
- GPT-5.5 vs Qwen3.6-Max
- GPT-5.5 vs GPT-5
Frequently Asked Questions
- What is GPT-5.5?
- GPT-5.5 is OpenAI's fully retrained frontier model family, released April 23, 2026. Designed for agentic coding, computer use, knowledge work, and early scientific research. The family includes standard and Pro variants, with the Pro targeting advanced math, business, legal, and data science tasks.
- How many models are in the GPT-5.5 family?
- The GPT-5.5 family contains 2 models.
- What is the latest GPT-5.5 model?
- The latest model is GPT-5.5, released in 2026-04.
- How much does GPT-5.5 cost?
- GPT-5.5 models range from $5/1M to $30/1M input tokens depending on the model and provider.
