Overview
Gravitex API provides RESTful endpoints compatible with the OpenAI API format. Use the unified gatewayhttps://api.gravitex.ai for chat, completions, embeddings, images, video, audio, and more.
AI model APIs
Model list
List available models
Chat
OpenAI-compatible chat completions
Claude messages
Anthropic Claude Messages API
Responses
OpenAI Responses API
Completions
Legacy text completions
Embeddings
Text embeddings (OpenAI / Engines format)
Rerank
Document reranking
Moderations
Content safety moderation
Audio
OpenAI speech/STT and Gemini native TTS
Realtime
Real-time audio (WebSocket)
Images
Unified image generation
Gemini OpenAI (Images)
Gemini imagine T2I / I2I via /images/generations
Gemini OpenAI (Chat)
Gemini chat & multimodal via /chat/completions
Gemini native (image)
generateContent / Chat image output
GPT-Image-2
OpenAI GPT-Image-2 text/image-to-image
Qwen Image
Qwen text-to-image and editing
Image edits
POST /v1/images/edits
Video overview
Multi-model video overview
Submit / query video
Unified POST /v1/video/generations
Wan 2.7
Alibaba Wan 2.7 video models
Wan 2.7 Video Editing
wan2.7-videoedit instruction-based editing
Veo
Google Veo video generation
Seedance 2.0(/generations)
Doubao Seedance 2.0 and asset library
Seedance 2.0(/generations/tasks)
Official mirror API (BytePlus Ark compatible)
General
Supported models
Model matrix and selection guide
OpenAI SDK
SDK examples in multiple languages
Query video task
Poll video task status
Download video
Download video (Sora 2)