Features

• 500k context windowSpaceXAI

  Text and image inputs with text-only output and no text output limit.

  Grok 4.6apilong-context
• Reasoning effortSpaceXAI

  Configurable reasoning: low, medium, high (default), and xhigh.

  Grok 4.6apireasoning
• API pricingSpaceXAI

  $2 / $0.50 / $6 per 1M tokens (input / cached / output) below 200k prompt tokens; $4 / $1 / $12 above. Fast variant is twice the price.

  Grok 4.6apipricing
• Where it runsSpaceXAI

  Cursor, Grok Build, xAI API, OpenRouter, Vercel, Cloudflare, Amazon Bedrock, GitHub Copilot, Gemini Enterprise Agent Platform.

  Grok 4.6apiavailability
• Imagine Image 2.0SpaceXAI

  Quality Mode for precise generation and editing. API id grok-imagine-image-2.0. 1K and 2K stills.

  Grok Imagineimageapi
• Imagine Video 1.5SpaceXAI

  Text-to-video, image-to-video, and reference-to-video. Native 1080p for T2V and I2V (Jul 31, 2026).

  Grok Imaginevideoapi
• Imagine APISpaceXAI

  Generate and edit images and video through the xAI API. Image input billed separately from output.

  Grok Imagineapimedia
• Speech to speechSpaceXAI

  Realtime voice agents. Starting at $0.05 / min.

  Grok Voicevoiceapirealtime
• Text to speechSpaceXAI

  TTS at $15.00 / 1M characters.

  Grok Voicevoiceapi
• Speech to textSpaceXAI

  STT with adjustable VAD threshold (vad_threshold) for streaming and batch.

  Grok Voicevoiceapi
• Custom voicesSpaceXAI

  Clone a voice from a reference clip (max 120s) via /v1/custom-voices and use the returned voice_id for TTS and speech-to-speech.

  Grok Voicevoiceapi
• Flagship modelsSpaceXAI

  Grok 4.6 for agents, coding, and knowledge work. Text and image in, text out.

  Grok API / Consoleapimodel
• Media and voiceSpaceXAI

  Imagine image/video generation and editing plus Voice realtime, TTS, and STT on the same API.

  Grok API / Consoleapimediavoice
• ConsoleSpaceXAI

  Keys, playground, usage, and changelog at console.x.ai.

  Grok API / Consoleconsoleapi
• Partner surfacesSpaceXAI

  OpenRouter, Vercel, Cloudflare, Amazon Bedrock, GitHub Copilot.

  Grok API / Consoleavailabilityapi
• X Activity APIX

  Realtime user-activity webhooks. Successor path from legacy Account Activity API. Subscribe by user id; optional direction filter.

  X APIapiactivity
• Pay-per-usage creditsX

  No subscription SKUs. Buy credits, set spending limits, earn up to 20% back in xAI API credits. Owned reads vs public lookup priced separately.

  X APIapipricing
• Webhook event billingX

  Activity API events billed per delivery, same 24h UTC dedup window. Inbound events cost; many outbound actions do not.

  X APIapipricingactivity
• Media uploadX

  Media upload remains on the v1.1 media endpoints after other v1.1 SKUs were retired.

  X APImediaapi
• Mute and block eventsX

  mute.mute / mute.unmute / block.block / block.unblock. Private events; OAuth 2.0 user-context with mute.read or block.read.

  X APIactivityapi

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