LinkModel API Documentation

Use this page for model selection. Use the API Reference for exact schema, enum values, defaults, and live requests.

Image models

Model	Provider	Best for	Endpoint
`seedream-4.0`	Bytedance	General image generation and editing	`POST /image-generation`
`seedream-4.5`	Bytedance	Higher-quality image generation and editing	`POST /image-generation`
`seedream-5.0-lite`	Bytedance	Lower-cost image workflows	`POST /image-generation`
`seedream-5.0-pro`	Bytedance	Pro-quality image generation	`POST /image-generation`
`gemini-2.5-flash-image`	Google	Fast image generation and editing	`POST /image-generation`
`gemini-3-pro-image-preview`	Google	Advanced image generation previews	`POST /image-generation`
`gemini-3.1-flash-image-preview`	Google	Fast image generation previews	`POST /image-generation`
`gemini-3.1-flash-lite-image`	Google	Lightweight image generation	`POST /image-generation`
`gpt-image-2`	OpenAI	OpenAI image generation workflows	`POST /image-generation`

Video models

Model	Provider	Best for	Endpoint
`happyhorse-1.0`	Alibaba	Image-to-video and video generation workflows	`POST /video-generation`
`wan2.6`	Alibaba	High-quality video generation	`POST /video-generation`
`seedance-2-0`	Bytedance	Controllable text-to-video and image-to-video	`POST /video-generation`
`seedance-v1.5-pro`	Bytedance	General video generation	`POST /video-generation`
`kling-v3`	Kling	High-quality video with strong visual consistency	`POST /video-generation`
`MiniMax-Hailuo-02`	MiniMax	Hailuo video generation	`POST /video-generation`
`MiniMax-Hailuo-2.3`	MiniMax	Newer Hailuo video generation	`POST /video-generation`
`sora-2`	OpenAI	OpenAI video generation workflows	`POST /video-generation`

Chat models

Model	Provider	Best for	Endpoints
`claude-opus-4-5-20251101`	Anthropic	Claude Opus chat and reasoning workflows	`POST /chat/completions`, `POST /messages`
`claude-opus-4-6`	Anthropic	Claude Opus chat and reasoning workflows	`POST /chat/completions`, `POST /messages`
`claude-opus-4-7`	Anthropic	Claude Opus chat and reasoning workflows	`POST /chat/completions`, `POST /messages`
`claude-opus-4-8`	Anthropic	Claude Opus chat and reasoning workflows	`POST /chat/completions`, `POST /messages`
`claude-sonnet-4-5-20250929`	Anthropic	Claude Sonnet chat and coding workflows	`POST /chat/completions`, `POST /messages`
`claude-sonnet-4-6`	Anthropic	Claude Sonnet chat and coding workflows	`POST /chat/completions`, `POST /messages`
`deepseek-v4-flash`	DeepSeek	Fast DeepSeek chat workflows	`POST /chat/completions`, `POST /messages`
`deepseek-v4-pro`	DeepSeek	DeepSeek reasoning and coding workflows	`POST /chat/completions`, `POST /messages`
`gemini-2.5-flash`	Google	Fast Gemini chat workflows	`POST /chat/completions`, `POST /messages`
`gemini-2.5-pro`	Google	Gemini pro chat and reasoning workflows	`POST /chat/completions`, `POST /messages`
`gemini-3-flash-preview`	Google	Gemini preview chat workflows	`POST /chat/completions`, `POST /messages`
`gemini-3.1-flash-lite`	Google	Lightweight Gemini chat workflows	`POST /chat/completions`, `POST /messages`
`gemini-3.1-pro-preview`	Google	Gemini pro preview chat workflows	`POST /chat/completions`, `POST /messages`
`gemini-3.5-flash`	Google	Fast Gemini chat workflows	`POST /chat/completions`, `POST /messages`
`glm-5.1`	Z.ai	GLM chat and coding workflows	`POST /chat/completions`, `POST /messages`
`gpt-5`	OpenAI	GPT chat and reasoning workflows	`POST /chat/completions`, `POST /messages`, `POST /responses`
`gpt-5.2`	OpenAI	GPT chat and reasoning workflows	`POST /chat/completions`, `POST /messages`, `POST /responses`
`gpt-5.3-codex`	OpenAI	Codex and agentic coding workflows	`POST /chat/completions`, `POST /messages`, `POST /responses`
`gpt-5.4`	OpenAI	GPT chat and reasoning workflows	`POST /chat/completions`, `POST /messages`, `POST /responses`
`gpt-5.4-mini`	OpenAI	Lower-latency GPT chat workflows	`POST /chat/completions`, `POST /messages`, `POST /responses`
`gpt-5.4-pro`	OpenAI	Higher-capability GPT chat workflows	`POST /chat/completions`, `POST /messages`, `POST /responses`
`gpt-5.5`	OpenAI	GPT chat and reasoning workflows	`POST /chat/completions`, `POST /messages`, `POST /responses`
`gpt-5.6-luna`	OpenAI	GPT chat and reasoning workflows	`POST /chat/completions`, `POST /messages`, `POST /responses`
`gpt-5.6-sol`	OpenAI	GPT chat, reasoning, and Codex workflows	`POST /chat/completions`, `POST /messages`, `POST /responses`
`gpt-5.6-terra`	OpenAI	GPT chat and reasoning workflows	`POST /chat/completions`, `POST /messages`, `POST /responses`
`kimi-k2.6`	Moonshot	Kimi chat and reasoning workflows	`POST /chat/completions`, `POST /messages`
`kimi-k3`	Moonshot	Kimi chat and reasoning workflows	`POST /chat/completions`, `POST /messages`
`minimax-m2.7`	MiniMax	MiniMax chat workflows	`POST /chat/completions`, `POST /messages`

Chat endpoints

Endpoint	Format	Use when
`POST /chat/completions`	OpenAI-compatible	Your app already uses the OpenAI Chat Completions format.
`POST /messages`	Anthropic-compatible	Your app already uses the Anthropic Messages format.
`POST /responses`	OpenAI Responses-compatible	You are configuring Codex with a GPT-series LinkModel chat model.

Selection guide

Goal	Start with
Fast image experimentation	`gemini-2.5-flash-image` or `seedream-5.0-lite`
Higher-quality image output	`seedream-5.0-pro`, `seedream-4.5`, or `gpt-image-2`
Text-to-video scenes	`sora-2`, `kling-v3`, or `seedance-2-0`
Image-to-video animation	`kling-v3`, `seedance-2-0`, or `happyhorse-1.0`
OpenAI-compatible chat integration	`POST /chat/completions`
Anthropic-compatible chat integration	`POST /messages`
Codex model provider	`gpt-5.3-codex` or `gpt-5.6-sol` with `POST /responses`

Next

Open the API Reference tab and select a model to inspect its required fields, defaults, and response schema.