Grok 4.3
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A to Z
- A · App
- Yes
- B · Built By
- xAI
- C · CEO & Politics
- Elon Musk — Right / Republican; largest individual donor of 2024 cycle; revived America PAC with $100M+ for GOP in 2026 midterms (America Party plan shelved)
- D · Date
- 2026
- E · Expertise
- Beginner (app available)
- F · Free Tier
- Yes
- G · Generates
- Images, Video
- H · Deployment
- Cloud only (proprietary)
- I · Inputs
- Text
- J · Jurisdiction
- USA
- K · Key Staffers
- Part of SpaceX (Elon Musk, CEO); Gwynne Shotwell (SpaceX President)
- L · Languages
- English-primary
- M · Model Type
- Reasoning LLM
- N · Safety Issues
- Use official system card/docs for model-specific risk details.
- O · Open Source
- Proprietary
- P · Pricing
- API: $1.25/M input, $2.50/M output; cached input $0.20/M ($2.50/$5 and $0.40 cached for prompts of 200K tokens or more)
- Q · AIDb Rating
- 8/10 · AIDb v2.0 (curated): Capability 9/10 · Currency 10/10 · Access 5.5/10 · Significance 5/10 → 8.07
- R · What Makes It Special
- Grok 4.3, the xAI API model that took over requests to Grok 4, Grok 4 Fast, Grok 4.1 Fast and Grok 3 when xAI retired them on May 15, 2026; xAI then called it the fastest, most intelligent model it had built, topping leaderboards in agentic tool calling and instruction following. It takes text and image input with a 1M-token context, supports function calling, structured outputs and reasoning effort from none to xhigh, and costs $1.25/$2.50 per million tokens.
- S · Stock / Status
- Public via SpaceX (Nasdaq: SPCX, IPO Jun 12, 2026); $145 (SPCX, Sep 28, 2026)
- T · Training Cutoff
- [UNKNOWN]
- U · Users
- [UNKNOWN]
- V · Voice Chat
- Yes
- W · Weights
- API only
- X · X Handle
- @SpaceXSI
- Y · Year Founded
- [UNKNOWN]
- Z · Bottom Line
- Proprietary Reasoning LLM from xAI, released 2026.
Data completeness 88% · Last verified 2026-08-09 · Primary source ↗
Cite this
“Grok 4.3.” AIDb — The AI Database. Verified 2026-08-09. https://theaidatabase.com/m/xai-grok-4-3.html
More from xAI
Aurora (xAI) · Grok (X Premium+) · Grok 1 · Grok 2 · Grok 3 · Grok 4 · Grok 4 Fast · Grok 4.1