AI Models & Providers
dassi supports multiple AI models. You can use managed credits (default, no setup required) or bring your own OpenAI API key.
Managed credits (default)
Section titled “Managed credits (default)”When you sign in, dassi automatically provisions managed credits. No API key is needed — just pick a model and start working.
Available models depend on your plan:
| Model | Free Trial | Paid plans |
|---|---|---|
| Gemini 3 Pro | yes | yes |
| Claude Haiku 4.5 | — | yes |
| Claude Sonnet 4.5 | — | yes |
| Claude Opus 4.6 | — | yes |
| Gemini 3 Flash | — | yes |
| DeepSeek V3.2 | — | yes |
| GLM 4.7 | — | yes |
The default model is Gemini 3 Pro. You can switch models in Settings at any time.
Choosing a model
Section titled “Choosing a model”- Gemini 3 Pro — great all-around model, fast and capable. Good default choice
- Claude Sonnet 4.5 — excellent for writing, analysis, and complex reasoning
- Claude Haiku 4.5 — fastest response times, good for simple tasks
- Claude Opus 4.6 — most capable, best for complex multi-step tasks
- Gemini 3 Flash — very fast, good for quick questions
Bring your own key (BYOK)
Section titled “Bring your own key (BYOK)”If you prefer to use your own OpenAI API key:
- Open Settings (gear icon in the sidebar toolbar)
- Select BYOK as the billing mode
- Enter your OpenAI API key
- Choose a model:
| Model | Description |
|---|---|
| GPT-5 | Most capable OpenAI model |
| GPT-5 Mini | Balanced performance and cost |
| GPT-5 Nano | Fastest, most affordable |
Getting an OpenAI API key
Section titled “Getting an OpenAI API key”- Sign up at platform.openai.com
- Navigate to API Keys in your account settings
- Click Create new secret key
- Copy the key and paste it in dassi’s settings
How dassi uses models
Section titled “How dassi uses models”dassi uses your selected model as the main reasoning engine. For certain visual tasks (like clicking at specific coordinates on a page), dassi automatically uses a faster secondary model to keep things quick and cost-efficient. You don’t need to configure this — it happens automatically.
Switching models
Section titled “Switching models”You can switch models at any time from the Settings page. The change takes effect for your next message. Your conversation history is preserved when switching models.