Grok 4.20 Reasoning
xAI2M context
Official price from xAI
Pricing pagePer million tokens
- Input
- $1.25
- Output
- $2.50
- Cached input
- $0.20
- Batch input / output
- $1.00 / $2.00
- Long prompts are priced higher above a context threshold; these are the starting prices.
- Up to 1M output tokens per request.
Estimate your monthly cost
Est. per month = input tokens × input price + output tokens × output price. Prices are per million tokens, so 10M input tokens at $3.00 cost $30.
From xAI: $17.50 a month.
Where to buy it (4)
Sorted by your monthly estimate. Prices per million tokens.
Microsoft Foundry
- Input / output
- $1.25 / $2.50
- Context
- 262K
- Per month
- $17.50
azure_ai/grok-4-20-reasoning
Google Vertex AI
- Input / output
- $1.25 / $2.50
- Context
- 2M
- Per month
- $17.50
vertex_ai/xai/grok-4.20-reasoning
xAIOfficial
- Input / output
- $1.25 / $2.50
- Context
- 1M
- Per month
- $17.50
xai/grok-4.20-reasoning
AIHubMix
- Input / output
- $2.00 / $6.00
- Context
- 1M
- Per month
- $32.00
aihubmix/grok-4-20-reasoning
Cloud and hosted sellers may add regional pricing, minimums or platform fees. Supports: Vision, Reasoning, Tool calling, Web search.