Access gpt-5.3-chatthrough PromptShuttle's OpenAI-compatible API via OpenAI. It offers a 128,000-token context window and up to 16,384 output tokens, priced at $1.75 per million input tokens and $14 per million output tokens. It accepts image input for multimodal prompts.
Provider
OpenAI
Context window
128,000 tokens
Max output
16,384 tokens
Input price
$1.75 / 1M
Output price
$14 / 1M
Input modalities
Text, Image
Output modalities
Text
Structured output
Yes
USD per 1,000,000 tokens.
| Input | Output | Cached input |
|---|---|---|
| $ 1.75 | $ 14 | $ 0.18 |
Point your OpenAI SDK at PromptShuttle and call gpt-5.3-chat with a single base-URL change — with cost tracking, model routing and agent orchestration built in.