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Grok 4-1 Fast pricing

Grok 4-1 Fast is a budget-tier LLM from xAI. Here's the full token-price breakdown and what it actually costs per month at real coding workloads.

Token pricing

Input tokens$0.20 / 1M tokens
Output tokens$0.50 / 1M tokens
Price tierBudget

What it costs per month

Estimated API cost at three typical AI-coding workloads (caching off — real bills are usually lower):

WorkloadVolumeEst. cost
Light (hobby)2M in / 0.5M out$0.65/mo
Daily driver15M in / 4M out$5.0/mo
Heavy / agentic80M in / 20M out$26.0/mo

Estimates assume the listed output price. Prompt caching (where available) can cut input cost substantially on repeated context.

Cheaper alternatives

Pair Grok 4-1 Fast with the right tools — Flowpicker flags model/IDE compatibility before you spend.

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