Context
1M
Max output
1M
Serving providers
1
Cheapest input
$1.25 /1M
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.

Pricing by serving provider

standard tier · per 1M tokens · click a provider to expand
Serving providerInput /1MOutput /1MEndpoints
xAICheapest$1.25$2.501
Standardxai/grok-4.20-0309-reasoning
ComponentUnitStandardBatch
Text cached in/1M tok$0.20—
Text input/1M tok$1.25$1.00
Text output/1M tok$2.50$2.00

Price history

listed seller prices, input and output per 1M tokens
Input Output
Input down 38% since first tracked
$0.00$2.00$4.00$6.00Apr 17Jun 22Aug 12Sep 26$2.50$1.25

Cost calculator

estimate your monthly spend on this model
$450
estimated / month

Model IDs

copy the exact identifier for your platform
xai/grok-4.20-0309-reasoning

Frequently asked questions

Grok 4 20 0309 Reasoning pricing, context and availability

How much does Grok 4 20 0309 Reasoning cost?

Grok 4 20 0309 Reasoning costs $1.25 per 1M input tokens from xAI, and $2.50 per 1M output tokens from xAI.

What is the context window of Grok 4 20 0309 Reasoning?

Grok 4 20 0309 Reasoning accepts up to 1M tokens of context and can return up to 1M output tokens.

What can Grok 4 20 0309 Reasoning do?

Grok 4 20 0309 Reasoning supports image input (vision), tool use, reasoning, prompt caching, structured output and web search.

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Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

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