OpenAI · gpt family
Chat-tuned GPT model for conversational assistance, writing, and tool workflows
Provider-specific prices and limits stay separate from canonical model facts.
| Provider | Provider model ID | Input | Output | Context | Output limit |
|---|---|---|---|---|---|
| Abacus | gpt-5.3-chat-latest | $1.75 / 1M | $14 / 1M | 400,000 | 128,000 |
| LLM Gateway | gpt-5.3-chat-latest | $1.75 / 1M | $14 / 1M | 128,000 | 16,384 |
| OpenAI | gpt-5.3-chat-latest | $1.75 / 1M | $14 / 1M | 128,000 | 16,384 |
Attachments
Yes
Reasoning
No
Tool calling
Yes
Structured output
Yes
Temperature
Yes
| Merge Gateway |
| openai/gpt-5.3-chat-latest |
| $1.75 / 1M |
| $14 / 1M |
| 128,000 |
| 16,384 |
| OrcaRouter | openai/gpt-5.3-chat-latest | $1.75 / 1M | $14 / 1M | 128,000 | 16,384 |