Paid Plan Models
Available on Start, Pro, Max, and Ultra plans:Claude Sonnet 4.5
Default modelBest coding model with extended autonomous operation and context awareness. Superior agent capabilities with enhanced tool usage and extended thinking.
- Context: 200K tokens
- Max output: 64K tokens
Claude Opus 4.5
Frontier reasoningFrontier reasoning model for complex software engineering, agentic workflows, and long-horizon tasks. Superior multimodal capabilities.
- Context: 200K tokens
- Max output: 32K tokens
GPT-5.2
Flagship codingOpenAI’s flagship model for coding and agentic tasks. Superior reasoning capabilities with extended context for complex workflows.
- Context: 272K tokens
- Max output: 128K tokens
Gemini 3 Pro
Multimodal reasoningGoogle’s flagship frontier model for high-precision multimodal reasoning across text, image, video, audio, and code.
- Context: 200K tokens
- Max output: 65K tokens
Free Plan Models
Available with your own API keys:Claude Haiku 4.5
Fast and efficientNear-frontier intelligence at 2x speed. Matches Sonnet 4 performance at one-third the cost.
- Context: 200K tokens
- Max output: 64K tokens
GPT-5
Advanced reasoningOpenAI’s most advanced model for step-by-step reasoning, coding, and complex multi-turn tasks.
- Context: 272K tokens
- Max output: 128K tokens
Gemini 2.5 Flash
Cost-efficientGoogle’s workhorse model for reasoning, coding, and scientific tasks. Built-in thinking capabilities.
- Context: 1M tokens
- Max output: 65K tokens
Switching Models
- Click the model selector in the chat input area
- Choose your preferred model
- Continue your conversation
Model Availability
| Model | Free Plan (API key) | Paid Plans |
|---|---|---|
| Claude Haiku 4.5 | — | |
| GPT-5 | — | |
| Gemini 2.5 Flash | — | |
| Claude Sonnet 4.5 | — | |
| Claude Opus 4.5 | — | |
| GPT-5.2 | — | |
| Gemini 3 Pro | — |
Free Plan Setup
On the Free plan, provide your own API keys:- Anthropic API Key: For Claude Haiku 4.5
- OpenAI API Key: For GPT-5
- Google API Key: For Gemini 2.5 Flash