Input costs $1.25 per million tokens and output costs $2.50. It takes up to 2,000,000 tokens of context at once. At 10 million tokens a month that works out to about $15.63. Listed in the catalogue on 4/1/2026.
You will only get news about this version (grok-4.20-multi-agent).
What it costs a month
Token prices translated into real usage.
- Light1M tokens a month: a personal tool or trial₩2,069$1.56
- Steady10M tokens a month: one small service₩20,686$15.63
- Heavy100M tokens a month: a service with real users₩206,860$156.25
Sending 10,000 Korean characters and getting 2,000 back, 1,000 times a month, costs about ₩16,751.
The same content in English costs about ₩12,885. Korean runs 1.3x.
Mixed 75% input, 25% output: a common ratio for chat usage, though real cost depends on how you use it. Exchange rate is from the last collection.
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