Grok 4.3 Beta
FrontierxAI•Released on 2026-04-17
xAI's latest beta flagship released April 17, 2026. Retains the 16-agent Heavy system and 2M-token context from Grok 4.20, adding native video input, downloadable office output (PDF/spreadsheet/PowerPoint), and tighter Grok Computer integration. Full rollout estimated mid-to-late May.
81
Overall Score
Voice of the community
sample 85“Grok 4.3 can now generate downloadable PDFs, fully populated spreadsheets, and PowerPoint decks directly from conversation.”
“Native video input in Grok 4.3 — share a clip and reason about what's in it conversationally.”
Core Specs
2000K
Context Window
0K
Max Output
ReasoningOpen Sourcetextimagevideo
Scenario Scores
Pros & Cons
Sentiment65% +25% ·10% −
Pros
- +Native video input (new in 4.3)
- +Generates formatted PDF/spreadsheet/PowerPoint
- +Retains 2M context + 16-agent Heavy system
- +Deeper Grok Computer integration
- +Standalone STT/TTS APIs launched alongside
Cons
- −$300/month is the priciest tier on the market
- −Still beta — full rollout not until May
- −API pricing not yet published
Pricing
Input (per 1M tokens)$0.00
Output (per 1M tokens)$0.00
Subscription$300/month
Updated on 2026-04-21
Get Started
1Visit the provider's website
2Create an account
3Start using the model
Benchmarks
noteFull benchmark suite pending independent verification.%
Reliability
Incidents (30d)0
View Status Page →