Model selection and parameters
Default recommendation
Section titled “Default recommendation”Use GPT-5.4 mini — best balance of cost, speed, and quality for everyday business chat.
Available models (OpenAI)
Section titled “Available models (OpenAI)”| Model | Best for |
|---|---|
| GPT-5.4 mini | Most business assistants — recommended |
| GPT-5 nano | Highest volume, lowest cost |
| GPT-5.4 | Complex reasoning and long documents |
| GPT-4o mini / GPT-4o | Legacy models |
Plan tiers
Section titled “Plan tiers”| Plan | Model tier |
|---|---|
| Free, Starter | Basic models |
| Standard, Pro | Advanced models |
| Enterprise | All models + BYOK |
All listed models support tool calling.