xAI
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Listed April 2026
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Multimodal Foundation
Grok 4.3
Arena #93 • score 1442 ±4
Proprietary model from xAI, listed April 2026. Arena text score 1442 (#93 of 414 entries). $1.25 input / $2.50 output per 1M tokens. 1M tokens context.
Parameters
Not disclosed
Context Window
1M tokens
Input / 1M tokens
$1.25
Output / 1M tokens
$2.50
Benchmark Results
- Arena Text Elo: 1442 (#93 of 414 on arena.ai · ±4 · 71,448 votes · variant: grok-4.3)
- AA Intelligence Index: 24.9 (Artificial Analysis v4.3 · best setting: Grok 4.3 (High) · checked 2026-10-11)
- AA Coding Index: 42.2 (Artificial Analysis v4.3 · best setting: Grok 4.3 (High) · checked 2026-10-11)
- AA Agentic Index: 15.5 (Artificial Analysis v4.3 · best setting: Grok 4.3 (High) · checked 2026-10-11)