GROK TOKEN COUNTER
Estimate tokens and API cost for xAI Grok models. xAI does not publish the Grok tokenizer, so counts are labeled estimates, paired with current official per-million-token pricing and context windows up to 1 million tokens.
PROMPT
Tokens
0
Words
0
Characters
0
Input cost
$0.00
Output cost
$0.00
Total request
$0.00
Need optimization signals, a heatmap, monthly projections, or cross-provider comparison? Open the full analyzer.
The Grok tokenizer is not public; estimates here follow the common 4-characters-per-token English baseline with adjustments for code and symbols.
Grok 4.3 supports a context window around 1 million tokens; Grok 4.5 supports 500,000 tokens; Grok Code Fast 1 and Grok Build 0.1 support 256,000 tokens.
The xAI API reports exact token usage per request, which you can use to validate these planning estimates.
500,000 token context. $2.00 in / $6.00 out per 1M tokens.
Grok Code Fast 1 Token Counter256,000 token context. $0.20 in / $1.50 out per 1M tokens.
Grok 4.3 Token Counter1,000,000 token context. $1.25 in / $2.50 out per 1M tokens.
Grok Build 0.1 Token Counter256,000 token context. $1.00 in / $2.00 out per 1M tokens.
Pricing refreshed 2026-08-11 from official provider sources. Compare against other providers on the LLM pricing table or browse the full model directory.
FAQ
No — xAI has not released the Grok tokenizer, so this page provides calibrated estimates. The xAI API response includes exact usage counts you can reconcile against after a request.
Grok 4.3 supports roughly 1,000,000 tokens of context, Grok 4.5 supports 500,000 tokens, and Grok Code Fast 1 and Grok Build 0.1 support 256,000 tokens, shared between the prompt and the model response.
Like other hosted APIs, xAI bills separately per million input and output tokens. Select a Grok model above to see the current rates from the official xAI pricing page, checked on the date shown.