X.ai

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1. Should you try X.ai? Overview

What it is Grok = real-time-social-native frontier assistant: grok.com + iOS/Android apps + X-integrated pane → prompt with live web/X DeepSearch (40+ sources, <1 min reports) → Big Brain extended reasoning → Grok Imagine image/video (Aurora + Imagine.
Country / HQ Palo Alto, USA (xAI)
Best for X-native marketers / creators tracking real-time sentiment & trends
Check before buying Watch out: Regulated industries (finance/health/legal) needing strict audit + guardrails
Pricing signal Free tier + paid from $8/mo

2. Features What it does

Feature What it does
Models (Aug 2026) Grok 4.6 flagship (500K ctx, $2/$6, Aug 12 2026), Grok 4.5 (500K, same price), Grok 4.3 (1M ctx, $1.25/$2.50, native video input), Grok 4.20 reasoning/non-reasoning/multi-agent, Grok 4.1 Fast ($0.20/$0.50, 2M ctx), Grok Build 0.1 (coding $1/$2) — Legacy grok-3/4/4.1-fast retired May 15 2026 → redirect to 4.3
DeepSearch Live web + X firehose, 40+ sources, inline citations, <1 min synthesis, DeeperSearch preset — Free 10/day, paid 20/2h (now within weekly pool)
Big Brain Extended reasoning mode, configurable effort none/low/med/high — API bills reasoning tokens at output rate
Grok Imagine Aurora images + Imagine video (480p/720p, audio); consumer draws from weekly pool; API $0.02–0.07/img, $0.05–0.07/sec video — Loosest content filters of frontier labs
Voice Spoken chat, TTS $15/M chars, STT $0.10–0.20/hr, Voice API $3/hr — No iOS system-level push
Grok Bot (beta) AI teammates: cloud machine per bot, observes user, bot-manages-bot, signs into inboxes/CRMs; Heavy/Cursor Ultra only — Launched Aug 11 2026, no independent reli test yet
Grok Build Coding agent CLI/TUI, Cursor-trained, code execution sandbox — Replaces Grok Code Fast 1 (deprecated in Copilot May 15 2026)
API surface api.x.ai OpenAI-compatible, cached input ($0.30–0.50), server tools web/X search $5/1K calls, code exec $5, file $10, collections $2.50; Live Search $25/1K sources — Endpoint migrates to SpaceXAI URL within 12+ mo, no break yet
Enterprise Grok Business $30/seat (RBAC, no-train opt), Enterprise custom (SSO/SCIM/CUME/audit) launched Jan 2026 — Azure AI Foundry deploy since Sep 2025

3. Pricing Pricing (2026-10, USD)

Plan Price / mo Key limits & who it fits
Free $0 $0 Grok 4 Mini (text+web+X), no Imagine Separate chat/voice caps, own reset
X Premium $8 — Grok 4 inside X, tight caps Buy only if you want X blue/ads
SuperGrok Lite $10 — Grok 4, 1 agent, 480p/6s video Mar 25 2026 entry tier
SuperGrok $30 $300 ($25/mo) Grok 4.5/4.6 rolling, DeepSearch, Big Brain, Imagine, Voice Main paid seat
X Premium+ $40 — Same + X ad-free/perks Only if X-native
SuperGrok Plus $100 — Higher weekly pool, 1080p video, priority peak For $30-ceiling users
SuperGrok Heavy $300 $3,600 Full Grok 4.5/4.6 + Grok 4 Heavy multi-agent + Grok Bot Researcher/heavy agentic

4. Integration Access & integrations

Access type Details
Access access_type: web-app-plus-mobile-plus-api access_display: grok.com · 📱 iOS/Android · 🔌 X.com pane · api.x.ai (OpenAI-compatible) · Azure AI Foundry · Cursor/Grok Build CLI · no MCP server documented, no native HubSpot/Salesforce connectors

5. Reviews & Sources External reviews

Source Rating What it says
Stackaible / AI Rankings “Situational yes — X firehose native, 4.6 frontier-class at half Claude Opus 5 API cost; ecosystem/integrations trail OpenAI/Anthropic”
G2/Capterra Not G2-listed as traditional SaaS; app-store ratings ~4.3 iOS, complaint axis = tier confusion + Imagine throttling after 50–100 gens
Trustpilot Mixed; billing cancels less angry than Semrush/Ocoya, but “SpaceXAI rebrand broke my bookmarked docs” confusion
Independent bench Grok 4.6 AA Intelligence Index 61 (level with GPT-5.6 Sol), under Claude Opus 5 on coding reliability, over all on X-sentiment

6. Best for / Not for Fit

✔ Suitable ✘ Not suitable
• X-native marketers / creators tracking real-time sentiment & trends
• Cost-sensitive API builders (high-volume $2/$6 or $0.20/$0.50 Fast)
• Researchers doing live-event synthesis (DeepSearch + X)
• Coding agents on Grok Build / Cursor (price-per-token)
• Heavy agentic multi-model fans (SuperGrok Heavy $300)
• Regulated industries (finance/health/legal) needing strict audit + guardrails
• Teams wanting deepest prose/long-form (Claude)
• Non-X shops where firehose differentiator evaporates
• Enterprises needing SSO/SCIM today without waiting SpaceXAI transition
• Casual users who won’t use X/Imagine/Voice — Free is enough

7. Competitors How it compares

Competitor How it differs Best for
ChatGPT (OpenAI) Generalist default, GPT-5.6, broadest ecosystem $20/mo, $5/$30 API
Claude (Anthropic) Prose/reasoning/coding reliability, safest $20/mo, $5/$25 API
Gemini (Google) Google-stack native, 1M+ ctx, Veo image/video $20/mo, $1.25–2.5 API
Perplexity Citation-first answer engine, no image/video $20/mo
DeepSeek Cheapest API ($0.14/$0.28), no X firehose $0.14/$0.28
Mistral/Cohere Enterprise EU/US alt custom

8. Summary Verdict

Who should pick it X-native marketers / creators tracking real-time sentiment & trends
Who should skip it Regulated industries (finance/health/legal) needing strict audit + guardrails

Event history

  • 2026-02 Acquired — SpaceXAI consolidation, brand retained within ecosystem; active Source
  • 2025-06 Acquired — xAI consolidation under X Corp, brand retained; active Source
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