Information Density: xAI – Signal Evidence & AI Readability

For developers
[H2] One API.Every modality.
Text, code, voice, images, and video — all through a single unified API. Start building in seconds.Get API KeyRead Docs1M+API calls per day<200msMedian latency5+Model familiesimport os
from xai_sdk import Client
from xai_sdk.chat import user
client = Client(
api_key=os.getenv("XAI_API_KEY")
)
chat = client.chat.create(model="grok-4.3")
chat.append(user("Explain quantum computing"))
response = chat.sample()
print(response.content)

Grok∣Available on Web, iOS and Android
[H1] The truth-seekingAI assistant.
Chat, search, reason, and create — all in one place.Answers with what's happening now and speaks your language.Try Grok Get SuperGrok
[H3] Chat
A truth-seeking assistant for everyday work — writing, research, and quick recaps.Answers with reasoning you can follow step by stepGenerates images, video, and code in the same threadNatural voice conversations with low-latency back and forthWhat do you want to know?Fast
[H3] Multi-agent
Multiple agents work in parallel for deeper answers on the hardest questions. Each agent shows its work so you can audit the reasoning.Parallel agents tackle sub-problems simultaneouslyEach agent's reasoning is transparent and auditableResults merge into one coherent, cited answerWhat do you want to know?Fast
[H3] Search
Searches the web and ? live, so answers always reflect what's happening right now — not last year's training data.Live citations from primary sources across the webReal-time ? integration for breaking news and trendsFollow-up questions drill deeper into any topicWhat do you want to know?Fast
[H3] Imagine
Generate images and video from text prompts or reference photos. Restyle, edit, and iterate without leaving the conversation.Text-to-image and text-to-video in one threadEdit generated content with follow-up promptsUp to 2K resolution and 15-second videosWhat do you want to know?FastWhat do you want to know?Fast
[H2] And much more
Everything you need in one assistant — from everyday tasks to deep research.Real-time web searchAnswers grounded in live sources across the webLive ? integrationBreaking news, trends, and posts as they happenDeep reasoningStep-by-step thinking you can follow and verifyMulti-agent modeParallel agents that tackle sub-problems simultaneouslyCode generationWrite, debug, and explain code in any languageImage generationCreate images from text with Grok ImagineVideo generationText-to-video up to 15 seconds at 720pVoice conversationsNatural back-and-forth with sub-second latencyFile & PDF analysisUpload documents and get instant summariesVision understandingAnalyze screenshots, photos, and diagrams30+ languagesSpeak and write in dozens of languages nativelyMemory across chatsRemembers your preferences and past conversationsCanvas for writingLong-form editing with inline suggestionsCustom instructionsTailor responses to your style and needsShareable conversationsShare any thread with a public linkWeb, iOS, and AndroidAvailable everywhere with synced historyThreads and follow-upsContinue any conversation with context intactSuperGrokHigher limits, priority access, and multi-agent
[H2] Get started
Free to try on the web and in the apps. Upgrade to SuperGrok for higher limits and multi-agent reasoning.01
[H3] Open Grok
Go to grok.com on web, or grab the iOS and Android apps.02
[H3] Sign in
Use your X or email account to pick up across every device.03
[H3] Start chatting
Ask anything — switch modes for search, reasoning, voice, or imagery.Open Grok Upgrade to SuperGrok
[H2] Building on Grok?
Access the same models through our API — text, vision, voice, images, and video. One key, every modality, production-ready.Get API Key Read Docs

Grok Imagine∣Available in API
[H1] From prompt topixel-perfect reality.
State-of-the-art image and video generation, editing, and restyling — one API for every visual modality.Try PlaygroundDocumentationUp to 2K resolution10 images per requestVideo up to 15sFrom $0.02 / image
[IMG: A child gazing up at a single airplane drawing a trail through soft cumulus clouds]
[IMG: A child gazing up at an airplane streaking past moonlit clouds and a crescent moon]
[IMG: A long-exposure motion trail sweeping over a wet highway under a clear blue sky]
[IMG: Orange headlight trails sweeping along a rain-slick highway at blue hour]
[IMG: A minimalist glass pavilion glowing under an overcast coastal sky, cinematic]
[IMG: A minimalist glass pavilion glowing beneath a vast Milky Way over the coast]
[IMG: Fuzzy red dice swinging from the rearview mirror of a vintage convertible at sunset]
[IMG: Fuzzy red dice swinging from the rearview of a vintage convertible under a full moon]
“A child gazing up at a single airplane drawing a trail through soft cumulus clouds”“A child gazing up at an airplane streaking past moonlit clouds and a crescent moon”
[H3] Text & image to video
Product demos, visual effects, and creative content. Turn a photo into a cinematic video with smooth pans, zooms, and reveals.Text-to-video and image-to-video in one APIUp to 15-second clips with motion controlHigh-fidelity output across photoreal and stylized scenesCameraClothingPerfumePropertyPhone
[H3] Virtual try-on
Upload a photo of a person and a clothing item — the API generates a video of them wearing it. Perfect for e-commerce and fashion.Combine product and client references into one shotPreserves garment shape, texture, and colorReturns ready-to-use video for product detail pages
[IMG: Product]
Product
[IMG: Client]
ClientTry-on
[H3] Product placement
Turn a single product photo into scroll-stopping content for every channel. Generate up to 10 images per request at 2K resolution.Restage your product in any environment or angleAdd people, change perspective, or shift the sceneUp to 10 images per request at 2K resolution
[IMG: Original]
[IMG: Add Copy]
[IMG: Change Angle]
[IMG: Add a Family]
[IMG: Change Perspective]
OriginalAdd CopyChange AngleAdd a FamilyChange Perspective
[H3] Precision edits
Edit colors and objects with accuracy for complete control over your product showcase.Target specific attributes without disturbing the restIterate on colors, materials, and details in secondsSwitch between image and video edits on demandInputRedFurSilverCatStar
[H3] Creative restyle
Seamlessly switch between styles to reinvent the experience in seconds. Drag the slider to compare the original with the restyle.Apply cinematic, anime, retro, watercolor, and moreSide-by-side compare with the source videoOne source — endless creative directionsOriginalBlockBlockCyberpunkAnimeRetroOrigamiWatercolorMosaic
[H3] Mockups into reality
Turn your rough ideas into multiple realities at the click of a button.Go from sketch or render to polished outputExplore variations across mood, lighting, and styleBridge concept and production with a single prompt
[IMG: Sketch]
SketchAnimated2DReal
[IMG: Product]
Product
[IMG: Client]
ClientTry-onCameraClothingPerfumePropertyPhone
[H2] Ready to build?
Start generating images and videos with just a few lines of code.Create API KeyTry on Playground PythonBashOtherCopyimport xai_sdkclient = xai_sdk.Client()response = client.video.generate( prompt="A glowing crystal-powered rocket launching from Mars", model="grok-imagine-video", duration=10, aspect_ratio="16:9", resolution="720p",)print(response.video.url)
[H2] Powerful without compromise
Our image and video models top the leaderboards on quality, speed, and price.ModelRankPriceLatencyGrok Imagine1Veo 3.1 Fast4Veo 35Sora 2 Pro9Sora 212Source: Artificial Analysis Text-to-Video Rankings, 2026-01-28“Grok Imagine API delivers outstanding video quality with native audio generation, combining photorealistic realism, strong creative style, and an impressive level of control.”fal
[H2] Common questions
About image and video generation, editing, and pricing. For a deeper dive, visit the docs.What image generation capabilities does the Imagine API support?What video generation features are available?How does pricing work for image and video generation?What aspect ratios and resolutions are supported?Can I edit existing images and videos with text prompts?How do I get started with the API?What are the rate limits and input constraints?Is content moderation applied to generated outputs?What is AI product placement for ads?Can I generate both images and videos for ads?Can I generate ad variations at scale?Can I iterate and refine ad creatives?Does this work with Meta, Google, TikTok, and other ad platforms?