Index
Features
500k context window
SpaceXAIText and image inputs with text-only output and no text output limit.
Reasoning effort
SpaceXAIConfigurable reasoning: low, medium, high (default), and xhigh.
API pricing
SpaceXAI$2 / $0.50 / $6 per 1M tokens (input / cached / output) below 200k prompt tokens; $4 / $1 / $12 above. Fast variant is twice the price.
Where it runs
SpaceXAICursor, Grok Build, xAI API, OpenRouter, Vercel, Cloudflare, Amazon Bedrock, GitHub Copilot, Gemini Enterprise Agent Platform.
500k context window
SpaceXAIText and image inputs with text-only output and no text output limit.
Reasoning effort
SpaceXAIConfigurable reasoning: low, medium, high (default), and xhigh.
API pricing
SpaceXAI$2 / $0.50 / $6 per 1M tokens (input / cached / output) below 200k prompt tokens; $4 / $1 / $12 above. Grok 4.7 Fast is billed at twice those rates in Cursor and Grok Build.
Responses API reasoning payload
SpaceXAIOn the Responses API, grok-4.7 always returns reasoning.encrypted_content even when include omits it.
Where it runs
SpaceXAIxAI API (grok-4.7), US regional endpoint, Cursor, and Grok Build (Grok 4.7 Fast).
Imagine Image 2.0
SpaceXAIQuality Mode for precise generation and editing. API id grok-imagine-image-2.0. 1K and 2K stills.
Imagine Video 1.5
SpaceXAIText-to-video, image-to-video, and reference-to-video. Native 1080p for T2V and I2V (Jul 31, 2026).
Imagine API
SpaceXAIGenerate and edit images and video through the xAI API. Image input billed separately from output.
Speech to speech
SpaceXAIRealtime voice agents. Starting at $0.05 / min.
Text to speech
SpaceXAITTS at $15.00 / 1M characters.
Speech to text
SpaceXAISTT with adjustable VAD threshold (vad_threshold) for streaming and batch.
Grok Voice 3.0
SpaceXAIgrok-voice-3.0 for Speech to Speech; grok-voice-latest points to grok-voice-3.0. Same price as Grok Voice 2.0; API unchanged.
Grok Voice Transcribe 2.0
SpaceXAIgrok-voice-transcribe-2.0 on Speech to Text; grok-voice-transcribe-1.0 reached EOL Oct 2, 2026 and requests route to 2.0 at the same price.
Custom voices
SpaceXAIClone a voice from a reference clip (max 120s) via /v1/custom-voices and use the returned voice_id for TTS and speech-to-speech.
Flagship models
SpaceXAIGrok 4.7 (grok-4.7) for agents, coding, and knowledge work. Text and image in, text out.
Media and voice
SpaceXAIImagine image/video generation and editing plus Voice realtime, TTS, and STT on the same API.
Console
SpaceXAIKeys, playground, usage, and changelog at console.x.ai.
Partner surfaces
SpaceXAIOpenRouter, Vercel, Cloudflare, Amazon Bedrock, GitHub Copilot.
Agent SDK
CursorAgents as code: instructions.md, tools/, skills/, MCP connections, and channels. `agent-sdk dev` runs locally; `agent-sdk deploy` hosts on Cursor. Evals and `agent-sdk github replay` test PR-driven bots.
Grok 4.7 Fast in Cursor
CursorGrok 4.7 Fast is available in Cursor at twice the public API token rates (per xAI API release notes).
Realtime user-activity webhooks. Successor path from legacy Account Activity API. Subscribe by user id; optional direction filter.
No subscription SKUs. Buy credits, set spending limits, earn up to 20% back in xAI API credits. Owned reads vs public lookup priced separately.
Activity API events billed per delivery, same 24h UTC dedup window. Inbound events cost; many outbound actions do not.
Chunked upload via v2 paths (initialize, append, finalize). Post-create size and duration limits follow the authenticated user's Premium/verified status and media_category.
mute.mute / mute.unmute / block.block / block.unblock. Private events; OAuth 2.0 user-context with mute.read or block.read.
X Ads API for Lead Gen campaigns: create and manage native lead forms, attach LEAD_FORM destination cards, and export submissions as JSON, CSV, or XLSX. Requires Campaign user permission; lead exports restricted to account administrators.
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