Today's price · per 1M tokens
Input
$1.25
per 1M tokens
Output
$2.50
per 1M tokens
Blended
$1.56
blended $/1M — 3:1 weighted input:output
Cached input
$0.200
16% of input — prompt caching
Price receipt
We read xAI's own pricing page on and found Grok 4.3 listed with a price on the same card — that read is where the number above comes from. We keep the page text we read; its content hash is 5ddd882013.
Overview
xAI's reasoning-first flagship with a 1M-token context and native video input (an xAI first), priced aggressively at roughly 5–10x cheaper than competing frontier models. $1.25/$2.50 per 1M tokens (cached input $0.20).
Capabilities
struck through = not supportedBenchmark performance
accuracy % · higher is better- AA Intelligence Index: 24.9 (Artificial Analysis composite across reasoning, knowledge and coding evals)
- AA-Omniscience Index: 18 (−100–100)
- LMSYS Chatbot Arena: 1442.7 ELO (Human preference)
- Ranks #40 of 100 benchmarked models by average score
- Ranks #50 of 195 comparably-measured models by percentile score, across 12 independent measurements
- Ranks #72 of 195 comparably-tested models by normalized performance per dollar
- Strongest at HumanEval — 90%, #5 of 48
130 tokens/sec output
Source: Artificial Analysis, xAI model card, Artificial Analysis, LMSYS Chatbot Arena (UC Berkeley) · updated · See full rankings →
Specifications
- Provider
- xAI
- Context window
- 1M tokens
- Modality
- text, image
- Parameters
- Proprietary
- Open source
- No — proprietary
- Released
- Status
- Current
- Last updated
- Tags
Availability verified: — listed on xAI's own page