AI Calculator Pro

Grok 4.20

xAI · model · context window 2,000,000 tokens.

Pricing (per 1M tokens)

Input$1.25
Output$2.50
Cache read$0.2000

Specifications

Context window2,000,000 tokens
Max output1,800,000 tokens
Modalitiestext
VisionNo
Tool useYes
ReasoningNo
Prompt cachingNo

Where else you can run Grok 4.20

The same model is resold by 5 providers we track. The typical one charges 1.1× what the cheapest does — $1.77 against $1.56 per 1M tokens, blended 3:1. Routing the same workload to a different host is often a bigger saving than switching model.

ProviderInput / 1MOutput / 1MBlended
Kilo$1.25$2.50$1.56
OpenRouter$1.25$2.50$1.56
Venice$1.42$2.83$1.77
NanoGPT$2.00$6.00$3.00
Ofox$4.00$12.00$6.00

Third-party listings via models.dev, not rates we verify with each host the way we do first-party pricing. Treat them as a shortlist to check, not a quote — and confirm quantisation, context limits and rate limits before switching, since a cheaper host is not always serving the same thing.

Estimate cost with Grok 4.20

Grok 4.20 is pre-selected below. Enter your token counts and volume to see the cost per request, per day and per month — then switch models to compare.

Results update automatically as you type.

Result
$0.00250 per request
~$75.00/month at 1,000 requests/day
Input cost
$0.00125
Output cost
$0.00125
Per request
$0.00250
Per day
$2.50
Per month
$75.00

Source: community-hosted (cheapest of 5 providers, openrouter via models.dev). Prices are re-checked daily against the provider’s official pricing; this rate was last changed on 27 August 2026. A recent date here just means the price is still current, not that it moved.