xAI
Grok 4.3 pricing and benchmarks
An earlier Grok 4 model with a 1M-token context window.
Input
$1.25
per 1M tokens
Cached input
$0.20
per 1M tokens
Output
$2.50
per 1M tokens
How capable is Grok 4.3?
Epoch AI has not published capability scores for Grok 4.3 yet. See benchmarks for rated models.
What Grok 4.3 costs in practice
| Workload | Monthly cost |
|---|---|
Support chatbot 100,000 replies a month, ~1,500 input tokens (system prompt + history) and ~400 output tokens each. | $287.50 |
Document Q&A (RAG) 50,000 questions a month with ~8,000 tokens of retrieved context and ~600 output tokens each. | $575.00 |
Coding agent 10,000 agent steps a month, ~40,000 input tokens each (70% read from the prompt cache) and ~2,000 output tokens. | $256.00 |
Pricing details
- Requests with 200K or more prompt tokens are billed at $2.50 input / $0.40 cached / $5 output for all tokens.
Estimate your Grok 4.3 bill
- Grok 4.3xAI$575.00/mo$0.01 / request
Standard-tier list prices. Long-context rates apply automatically where the provider publishes a threshold. Excludes cache-write surcharges, taxes, batch and volume discounts.