OpenAI · AI MODEL
GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...
Specifications
Source
Prices come from the linked provider source and represent list prices before individual discounts.
Open sourceHugging Face
Compare the live Hugging Face routes available for this model.
No routed inference offers are available yet.
History
A chart appears after at least two price observations.
| Date | Input / 1M | Output / 1M | Confidence |
|---|---|---|---|
| 9/7/2026, 7:57:41 AM | $2.50 | $15.00 | 100% |
Smart alternatives
DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model from DeepSeek, with 13B active parameters out of 284B total. This re-post-trained revision is suited for coding, reasoning, and agent workflows....
30 second duration clips are priced at $0.04 per clip. Lyria 3 is Google's family of music generation models, available through the Gemini API. With Lyria 3, you can generate...
Full-length songs are priced at $0.08 per song. Lyria 3 is Google's family of music generation models, available through the Gemini API. With Lyria 3, you can generate high-quality, 48kHz...
MiniMax-M3 is a multimodal foundation model from MiniMax. It supports text, image, and video inputs with text output, a 1M-token context window, and is suited for long-horizon agentic work, coding,...