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---
title: "Models"
sidebarTitle: "Models"
description: "Available models, pricing tiers, free models, and how model IDs work in the Cline API."
---
The Cline API gives you access to models from multiple providers through a single endpoint. Model IDs follow the `provider/model-name` format, the same convention used by [OpenRouter](https://openrouter.ai).
## Model ID Format
Every model is identified by a string in the format:
```
provider/model-name
```
For example:
- `anthropic/claude-sonnet-4-6` - Claude Sonnet 4.6 from Anthropic
- `openai/gpt-4o` - GPT-4o from OpenAI
- `google/gemini-2.5-pro` - Gemini 2.5 Pro from Google
Pass this string as the `model` parameter in your [Chat Completions](/api/chat-completions) request.
Example:
```bash
curl -X POST https://api.cline.bot/api/v1/chat/completions \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "minimax/minimax-m2.5",
"messages": [{"role": "user", "content": "Hello!"}]
}'
```
## Reasoning Models
Some models support extended thinking, where the model reasons through a problem before responding. When using these models:
- Reasoning content appears in `delta.reasoning` during streaming
- Some providers return encrypted reasoning blocks in `delta.reasoning_details`
- Reasoning tokens are counted separately from output tokens
Models with reasoning support include most Claude, Gemini 2.5, and Grok 3 models. Check the model's `supportsReasoning` capability in the model catalog.
## Choosing a Model
| If you need... | Consider |
|----------------|----------|
| Best coding performance | `anthropic/claude-sonnet-4-6` |
| Long document analysis | `google/gemini-2.5-pro` (1M context) |
| Fast, cheap responses | `deepseek/deepseek-chat` |
| Free experimentation | `minimax/minimax-m2.5` |
| Multi-modal (text + images) | `openai/gpt-4o` or `anthropic/claude-sonnet-4-6` |
| Complex reasoning | Any model with reasoning support |
For setup and account flow details, see the [Cline Provider guide](/getting-started/cline-provider).
## Image Support
Models that support images accept base64-encoded image content in the `messages` array:
```json
{
"model": "anthropic/claude-sonnet-4-6",
"messages": [
{
"role": "user",
"content": [
{"type": "text", "text": "What's in this image?"},
{"type": "image_url", "image_url": {"url": "data:image/png;base64,..."}}
]
}
]
}
```
Not all models support images. Check the model's `supportsImages` capability before sending image content.
## Related
<CardGroup cols={2}>
<Card title="Chat Completions" icon="message" href="/api/chat-completions">
Use these models in your API requests.
</Card>
<Card title="Cline Provider" icon="scale-balanced" href="/getting-started/cline-provider">
Fastest setup path with built-in authentication and billing.
</Card>
</CardGroup>