Grok 4.3

by SpaceXAI · x-ai/grok-4.3

Grok 4.3 is a reasoning model from SpaceXAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual...

Input / 1M tokens
$1.25
Output / 1M tokens
$2.50
Context
1M

Specs

Input price$1.25 / 1M tokens
Output price$2.50 / 1M tokens
Cached input$0.20 / 1M tokens
Context window1M tokens
Max output900K tokens
Readstext, image, file
Writestext
Tool callingYes
ReasoningYes
ListedApr 30, 2026

List prices in USD, updated Oct 30, 2026. Providers may charge differently.

Providers

4 providers serve this model, as of Oct 30, 2026, 18:12 UTC.

Providers serving this model, sorted by price
ProviderContextMax outputInput / 1MOutput / 1MCache read / 1MUptime (30 min)Latency (median)Throughput (median)SupportsStatus
xAIFastest1M900K$1.25$2.50$0.20100%1.49 s67 tok/sNormal
xAI1M900K$1.25$2.50$0.20100%1.31 s64 tok/sNormal
xAI1M900K$2.50$5.00$0.40—743 ms62 tok/sNormal
xAI1M900K$2.50$5.00$0.40———Normal

"Cheapest" is the lowest input plus output price; "Fastest" the highest median throughput. Columns empty for every provider are not shown.