Features
Built for people who already know which model is best at what.
The same chat surface across every frontier provider, plus the small things that make daily use bearable: branching, model switching, keyboard shortcuts, and a Canvas pane for everything models render.
| Provider | Models |
|---|---|
| OpenAI | GPT-5.5, GPT-5.4 Mini, GPT-5.4 Nano |
| Anthropic | Opus 4.7, Sonnet 4.6, Haiku 4.5 |
| Gemini 3.1 Pro, Flash | |
| Mistral | Large, Codestral |
| DeepSeek | V4, R1 Reasoner |
| xAI | Grok 4.3, Grok 4 Mini |
| Alibaba | Qwen 3.6 Plus, 27B Coder |
| Moonshot | Kimi K2.6 |
Models
Every frontier provider in one composer.
We integrate directly with every major model provider and pass through their native streaming, tool use, and reasoning APIs. No homegrown wrappers that fall behind the upstream — when Anthropic ships extended thinking, you get extended thinking the same day.
- OpenAI: GPT-5.5, GPT-5.4 Mini, GPT-5.4 Nano
- Anthropic: Claude Opus 4.7, Sonnet 4.6, Haiku 4.5 with extended thinking
- Google: Gemini 3.1 Pro and Flash with native multimodal
- Mistral: Large, Codestral
- DeepSeek: V4 chat and R1 reasoner
- xAI: Grok 4.3 and Grok 4 Mini
- Alibaba: Qwen 3.6 Plus, 27B Coder, agentic flagship
- Moonshot: Kimi K2.6 for long-context and coding
- Z.AI: GLM-5 open-weights, GLM-4.6V vision
Chat experience
Designed for people who actually use chat all day.
Branching, regeneration with a different model, keyboard-first navigation, drag-to-attach files. The interface stays out of your way and rewards muscle memory.
- Branch any message to try a different prompt or model
- Re-send the same prompt to another model and compare outputs
- Drafts saved per conversation — survive refreshes and tab swaps
- Markdown, math, code with syntax highlighting, Mermaid diagrams
- Resume the last conversation on every device automatically
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Keyboard
- Ctrl ⌘ K Command palette
- Ctrl ⌘ Shift M Switch model
- Ctrl ⌘ Shift K Open Canvas
Canvas
A live preview pane for everything models output.
When a response contains HTML, SVG, a Mermaid diagram, or rich Markdown, Canvas opens a resizable preview to the right. Iterate on a landing page or system diagram without ever leaving the thread.
- HTML iframe preview with isolated sandbox
- SVG and Mermaid render natively, no third-party redirects
- Code view with one-click copy, preview view with one-click open in new tab
- Resizable divider, remembered between sessions
Tools
Search, image, and video that any model can call.
Tools are model-agnostic. Ask Claude to search the web, ask GPT to generate an image, ask Gemini to do both in the same turn. The model picks the tool; we route it.
- Web search with cited URLs in every answer
- Image generation — Nano Banana 2, GPT Image 2, FLUX.2 Pro, and more, plus image-to-image edit
- Video generation — HappyHorse 1.0, Veo 3.1, Kling 3.0 Omni, Grok Imagine, and more — sound-on preview
- File uploads: PDFs, images, CSVs, source code — parsed into context
- Edit tools: inpaint, outpaint, upscale, remove background, replace background
Memory
It remembers — and you control what it remembers.
Tell it once that you ship in Go, deploy on Fly.io, and prefer terse code review feedback. Every future conversation starts with that context. Inspect the full memory list at any time and prune what you don’t need.
- Persistent across conversations and devices
- Inspectable list — see exactly what the model knows about you
- One-click delete on any memory
- Per-conversation overrides when you want a clean slate
Privacy
Your conversations are yours.
We don’t train on your data, and we configure every provider integration with no-training, no-retention flags wherever they’re available. Conversations are encrypted at rest and deletable in one click.
- Zero-retention provider configs where supported (OpenAI, Anthropic, Mistral)
- Encrypted at rest, TLS in transit
- Per-conversation and full-account delete
- Export everything to JSON whenever you want
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