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
Platform API
/v1/video/generations â Doubao Seedance 2.0 and asset libraryOfficial Mirror API
/api/v3/contents/generations/tasks â BytePlus Ark compatibleGeneral
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)