Documentation Index
Fetch the complete documentation index at: https://docs.twill.ai/llms.txt
Use this file to discover all available pages before exploring further.
Supported coding agents
Twill orchestrates existing CLI coding agents rather than building its own. This lets you use each model in a toolchain it’s designed to work well with.
| CLI | Description | Status |
|---|
| Claude Code | Anthropic’s official CLI for Claude | Available |
| OpenCode | Open-source coding agent with multi-provider support | Available |
| Codex | OpenAI’s coding CLI | Available |
Supported LLMs
Claude Code
| Model | Description |
|---|
| Claude Opus | Most capable, best for complex tasks (defaults to Opus 4.7) |
| Claude Sonnet | Balanced performance and speed |
| Claude Haiku | Fastest, best for simple tasks |
OpenCode
OpenCode supports multiple model providers:
| Model | Provider |
|---|
| DeepSeek V4 Pro | DeepSeek |
| GLM 5.1 | Z.ai |
| Kimi K2.6 | Moonshot |
| Claude 4.7 Opus | Anthropic |
| Claude 4.6 Sonnet | Anthropic |
| GPT 5.5 | OpenAI |
| GPT 5.4 | OpenAI |
| GPT 5.3 Codex | OpenAI |
| Gemini 3.1 Pro | Google |
Codex
| Model | Model ID | Description |
|---|
| GPT 5.5 | gpt-5.5 | OpenAI GPT 5.5 |
| GPT 5.4 | gpt-5.4 | OpenAI GPT 5.4 |
| GPT 5.3 Codex | gpt-5.3-codex | Coding-optimized GPT 5.3 |
