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xAI API provides a unified API for text, code, image, video, and voice generation using Grok models.
- for
- Developers building AI-powered apps, agents, and media generation features.
- pricing
- paid
Key features
- Text & Code Generation — Generate text and code with Grok models via a standard chat completions endpoint.
- Image & Video Generation — Create and edit images and videos using the Imagine API with per-image or per-second pricing.
- Voice Capabilities — Realtime speech-to-speech, text-to-speech, and speech-to-text via the Voice API.
- Live Web & X Search — Integrate real-time web and X (Twitter) search results into responses.
- File & Collection RAG — Upload documents and query them with built-in file and collection search tools.
- Enterprise Controls — SSO, audit logging, SOC 2, HIPAA, data residency, custom rate limits, and dedicated support.
Use cases
- Add AI chat and coding assistance to a SaaS product
- Generate marketing images, videos, or voiceovers on demand
- Build real-time voice agents for customer support
- Enable live web search results in an AI assistant
- Perform RAG over uploaded PDFs, spreadsheets, or presentations
xAI API vs alternatives
 xAI API |  OpenRouter |  OpenAI API |  Claude API |  Gemini API | |
|---|---|---|---|---|---|
| Best for | Unified generative AI API | One-stop shop for multiple providers | OpenAI model ecosystem | Anthropic’s Claude models | Google Gemini models |
| Pricing | Paid | Subscription | Subscription | Subscription | Subscription |
| DevHunt upvotes | 0 | 0 | 0 | 0 | 0 |
| Launched | — | — | — | — | — |
- xAI API vs OpenRouter: Offers a single endpoint that aggregates many AI models, but xAI provides its own Grok models and media APIs.
- xAI API vs OpenAI API: OpenAI API provides GPT models and separate endpoints for images and audio, while xAI bundles text, image, video, and voice under one API.
- xAI API vs Claude API: Claude API focuses on Anthropic’s models; xAI includes its own Grok models plus media generation and enterprise controls.
- xAI API vs Gemini API: Gemini API offers Google’s models; xAI provides Grok models with longer context windows and integrated media generation.
xAI API FAQ
How do I get an API key?+
Create a free account at console.x.ai, open the API Keys page, and generate a key; it takes about a minute.
Is there a free tier?+
API usage is billed per token, but the Playground is free with every Console account for testing.
What does Grok-4.7 cost?+
$2 per M input tokens and $6 per M output tokens (US endpoint adds a 1.1× premium).
Can I use existing OpenAI or Anthropic SDKs?+
Yes—point the SDK to https://api.x.ai/v1 with your xAI API key; no other changes are needed.
What media generation models are available?+
Imagine API offers image models (e.g., grok-imagine-image-2.0) and video models (e.g., grok-imagine-video-1.5) with per-image or per-second rates.
Summarized by DevHunt from x.ai, docs.x.ai · Nov 7, 2026. Details may change; check the official site.
About this listing
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