xAI · Grok (xAI)
Grok 4.3
ActiveCurrent flagship; cost-efficient ($1.25/$2.50 per 1M), 1M context, strong agentic tool-calling and native real-time X/web access.
About this version
Grok 4.3 is the current flagship model in the grok family, released on 30 April 2026 and listed as active. It offers a one‑million‑token context window and is positioned as cost‑efficient, with pricing of $1.25 to $2.50 per million tokens. The version emphasizes strong agentic tool‑calling capabilities and native real‑time web access.
- API string
- grok-4.3
- Context window
- 1M ctx
- Tier
- Flagship
- Released
- Apr 30, 2026
Release & change timeline
1 event- Release
Grok 4.3 released
Current flagship; $1.25/$2.50, 1M context, strong agentic tool-calling.
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