Access gpt-5.5-prothrough PromptShuttle's OpenAI-compatible API via OpenAI. It offers a 1,050,000-token context window and up to 128,000 output tokens, priced at $30 per million input tokens and $180 per million output tokens. It accepts image input for multimodal prompts.
Provider
OpenAI
Context window
1,050,000 tokens
Max output
128,000 tokens
Input price
$30 / 1M
Output price
$180 / 1M
Input modalities
Text, Image
Output modalities
Text
Structured output
Yes
USD per 1,000,000 tokens.
| Input | Output |
|---|---|
| $ 30 | $ 180 |
Also available as: gpt-5.5-pro-2026-04-23
Point your OpenAI SDK at PromptShuttle and call gpt-5.5-pro with a single base-URL change — with cost tracking, model routing and agent orchestration built in.