Context
2M
Max output
2M
Serving providers
1
Cheapest input
$2.00 /1M
Prices are on-demand list rates. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.
Pricing detail
cost beyond the standard rate · source: models.devLong context (>200K)
$2.50 / $5.00
input / output · per 1M
Pricing by serving provider
standard tier · per 1M tokens · click a provider to expand| Serving provider | Input /1M | Output /1M | Endpoints | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vertex AICheapest | $2.00 | $6.00 | 1 | |||||||||||||||||||||
| ||||||||||||||||||||||||
Price history
input + output $/1M since we started tracking Input Output
Cost calculator
estimate your monthly spend on this model$880
estimated / month
Model IDs
copy the exact identifier for your platformvertex_ai/xai/grok-4.20-reasoning
Frequently asked questions
Grok 4 20 Reasoning pricing, context and availabilityHow much does Grok 4 20 Reasoning cost?
Grok 4 20 Reasoning costs $2.00 per 1M input tokens and $6.00 per 1M output tokens at its cheapest provider via Vertex AI.
What is the context window of Grok 4 20 Reasoning?
Grok 4 20 Reasoning accepts up to 2M tokens of context and can return up to 2M output tokens.
What can Grok 4 20 Reasoning do?
Grok 4 20 Reasoning supports image input (vision), tool use, reasoning, structured output and web search.
Other xAI models
compare pricing across the xAI lineupGrok 4$3.00/1M · 5 providersGrok 4.1 Fast Non Reasoning$0.20/1M · 3 providersGrok 4.1 Fast Reasoning$0.20/1M · 3 providersGrok 3 Mini$0.25/1M · 3 providersGrok 3$3.00/1M · 3 providersGrok 4 Fast Non Reasoning$0.20/1M · 2 providersGrok 4 Fast Reasoning$0.20/1M · 2 providersGrok Code Fast 1$0.20/1M · 2 providers
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