xAI Grok · LLM API pricing

grok-4.20 API pricing: cheapest provider

2 providers sell grok-4.20. xAI is cheapest; the most expensive charges 3.8× as much for the same model.

Cheapest$1.56per 1M · xAI
Input · output$1.25 / $2.50per 1M tokens
Price gap3.8×across 2 providers
Context1Mmax tokens

$1.56 xAI3.8× spread$6.00 Oracle Cloud Generative AI

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Standard list prices in USD from each provider's pricing page · last price change Nov 2, 2026 · How we collect and rank prices

Ranked for your volume

grok-4.20 monthly cost by provider

Change the monthly tokens and the ranking updates instantly, using each provider's standard list price.

Input tokens per month (millions)Prompts, context and documents you send.Output tokens per month (millions)Tokens the model generates.

More requirements: caching, context, features, provider

Cached share of input (%)0 = no caching. Only documented cache-read rates qualify.Required context per request (tokens)0 = any. Providers without a sufficient known limit are excluded.Required featureProvider requirement

Provider	Estimated / month	Input / 1M	Output / 1M	Cached input / 1M	Context
1 xAIModel developerCheapestPricing page	$17.50	$1.25	$2.50	$0.20	1,000,000
2 Oracle Cloud Generative AICloud platformPricing page	$60.00	$3.00	$15.00	Not listed	131,072

Order depends on listed price for your volume only. No provider pays for its position.

Input volume includes the cached share, not an additional token volume. This is a list-price estimate, not a quote: cache-write charges, cache eligibility/TTL, batch discounts, long-context surcharges, regional pricing and taxes are excluded. Check the provider's terms for your workload before switching.

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| grok-4.20 provider | Input / 1M tokens | Output / 1M tokens | 10M in + 2M out per month |
|---|---:|---:|---:|
| xAI | $1.25 | $2.50 | $17.50 |
| Oracle Cloud Generative AI | $3.00 | $15.00 | $60.00 |

Standard list prices as of Nov 2, 2026. Source: [AISelect.online](https://aiselect.online/models/grok-4-20)

Price history

The cheapest price has not changed since tracking started on Sep 28, 2026: $1.56 per 1M tokens at xAI. All price changes

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Model B

Before you pick a provider

The developer's own API (xAI) has the lowest listed blended price for grok-4.20.

Context windows differ by provider, from 131K to 1M tokens. A cheaper host may not accept your longest prompts.

1 of 2 providers list a cached-input price. Repeated system prompts or documents can cost much less there than the standard input rate shown above.

Keep comparing

More xAI Grok models

Grok 4.20 (Non-Reasoning), Grok 4.20 (Reasoning), Grok 4.3, Grok 4.6, Grok 4.7, grok-4, grok-code-fast-1, Grok 4.1 Fast (Non-Reasoning)