Grok 4.3 Pricing
xAI · Grok 4 · Live
Grok 4.3 costs $1.25 per million input tokens and $2.5 per million output tokens on the xAI API. It supports a 1,000,000-token context window and up to 32,768 output tokens per request. The model supports extended reasoning, image input, tool use, long context. Released April 30, 2026. Pricing verified September 14, 2026.
Grok 4.3 API pricing
Grok 4.3 API pricing is $1.25 per million input tokens and $2.5 per million output tokens, verified September 14, 2026.
- Input (per 1M tokens)
- $1.25
- Output (per 1M tokens)
- $2.5
- Context window
- 1,000,000 tokens
- Max output
- 32,768 tokens
- Released
- April 30, 2026
Capabilities
Grok 4.3 supports extended reasoning, image input, tool use, long context.
Price history
See full Grok 4.3 price historyGrok 4.3 API pricing has not changed since June 28, 2026.
Price-stable since June 28, 2026.
Frequently asked questions
Short answers to the most common questions about Grok 4.3 pricing, limits, and capabilities.
Notes
Current xAI flagship, launched April 30, 2026. 1M context window with reasoning mode support. Priced aggressively vs OpenAI/Anthropic at the flagship tier.