openai/gpt-5.3-chat
GPT-5.3 Chat is an update to ChatGPT's most-used model that makes everyday conversations smoother, more useful, and more directly helpful. It delivers more accurate answers with better contextualization and significantly...
| Provider | In $/M | Out $/M | Context | Uptime |
|---|---|---|---|---|
| Azure | $1.75 | $14.00 | 128K | — |
| OpenAIcache | $1.75 | $14.00 | 128K | 99.8% |
GPT-5.3 Chat costs $1.75 per million input tokens and $14.00 per million output tokens via OpenRouter, making it 234th cheapest of 298 paid models.
GPT-5.3 Chat generates around 41 tokens per second with 1.1s time-to-first-token (p50), the 196th fastest tracked model.
GPT-5.3 Chat supports a 128K-token context window and can output up to 16K tokens. It accepts text, image, file input.