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Grok 4.5

xAI · Lug 2026 (8 Lug)

Context500k token

Multimodal✓

Open weights✗

Input price / 1M tokens$2.00

Output price / 1M tokens$6.00

Strengths

Intelligence Index 54 (Artificial Analysis), well above average for price tier
91 tokens/s output speed, faster than average (76 t/s) for reasoning models
Released July 8, 2026, latest update in Grok line with 500k context

* Indicative API prices in USD — always verify on the provider's official site. Catalog updated periodically by an automated web-search verification.

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