Meta AI
Meta AI is the widest-distributed assistant by install base, running Meta's own Llama models and available free inside the social apps.
Full Meta AI record →Head to head
Meta AI vs Grok
Meta AI (Meta) and Grok (xAI) both sit in Writing. Meta AI is the cheaper entry point at Free to use on Meta platforms (Facebook, Instagram, WhatsApp, Messenger, Threads).. Grok shipped more tracked changes in the last 30 days (10 vs 8). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Meta AI Meta | Grok xAI |
|---|---|---|
| Segment | Writing | Writing |
| Version | Muse | Grok 4.7 |
| Entry cost | Free to use on Meta platforms (Facebook, Instagram, WhatsApp, Messenger, Threads). | from $2/mo |
| Pricing tiers | Free free | Grok 4.7 Input (per 1M tokens) $2 · Grok 4.7 Output (per 1M tokens) $6 |
| Model stack | Llama · Llama 3 · Llama 3.3 · Llama 4 · Llama 4 Maverick · Llama 4 Scout · Muse · Muse Glimmer · Muse Image · Muse Spark · Muse Spark 1.1 · Muse Spark 1.2 · Muse Spark 1.3 · Muse Spark Open · Muse Voice Transcribe · Muse Wonder · Muse Wonder Full · SAM 3.1 · Segment Anything (SAM) 3.1 | grok-4.5 · grok-4.6 · grok-4.7 · grok-imagine-image · grok-imagine-image-2.0 · grok-imagine-image-quality · grok-imagine-video · grok-imagine-video-1.5 |
| Context window | 1M | 500000 |
| Public API | ||
| Routes models | ||
| Changes / 30d | 8 | 10 |
| Origin | Global | Global |
| Capabilities | In-app assistant, Image generation, Voice mode, Standalone app, Ray-Ban glasses integration, image generation, agentic planning, task execution | Real-time X search, Think and Big Brain modes, Voice mode, Image generation, API access, text generation, agentic coding, voice agent |
Grok
Grok pairs xAI's in-house models with live access to the X firehose, sold standalone and bundled into X Premium tiers.
Full Grok record →