Grok 4.3

xAI

xAI frontier model with strong reasoning and real-time knowledge.

1M+ contextHigh intelligenceHigh valueStrong reasoningMultimodal vision
TextVisionTool useReasoningCode
Visit official site →Compare →

Performance

Artificial Analysis — Intelligence Index· 2026-06-17
Intelligence Index53High · /100
Arena Elo1428Above average

Specifications

VendorxAI
FamilyGrok
Context1M · 750k words（≈ a novella）
Max output64K · 48k words（≈ a thesis）Below average
Released2026-04-09
Open sourceNo
Tool use✓

Pricing across channels

per 1M tokens, USD

ChannelTypeInputOutput→
xAI APIOfficial$1.25$2.50visit
OpenRouterAggregator$1.25$2.50visitAd
xAI Pricing· 2026-06-17

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