Grok / X.AI

Grok 4.20 Reasoning API Pricing / Price per 1M tokens

Grok / X.AI • API Price Comparison

Also known as: grok-4.20-reasoning · grok4.20reasoning · grok4.20-reasoning · grok4.20 reasoning

Updated on · Published currencies / per 1M tokens; cheapest ranked by input

Official and cheapest channel API pricing
ChannelInput / 1MOutput / 1MCache read / 1MUpdated / verified on
Grok / X.AIOfficialLowest inputUSD 1.25USD 2.5USD 0.22026-10-16

— means the price or date is not recorded. Cross-currency ranking uses exchange rates.

📏 Context: 1,000,000 tokensAdded Aug 18, 2026

Grok 4.20 Reasoning is a large language model by Grok / X.AI with a 1M-token context window. Across the 1 API channels tracked here, input pricing ranges from $1.25 per 1M input tokens; the cheapest is Grok / X.AI at $1.25 per 1M input tokens. The official channel (Grok / X.AI) charges $1.25 per 1M input tokens and $2.50 per 1M output tokens. None of the tracked channels are directly reachable from mainland China without a proxy or VPN. Prices are collected daily from official provider pages and every tracked channel, then cross-checked by a data-accuracy audit.

💰 Cheapest Option
Grok / X.AI
$1.25/1M input
$2.50/1M output
🏢 Official Price
Grok / X.AI
$1.25/1M input
$2.50/1M output
🚫 Not available in China
🇨🇳 Best in China
No China-friendly options
📊 Channel Price Comparison
Compare grok-4.20-reasoning API prices across all available channels • 1 channels available
ChannelTypeInput / 1MOutput / 1MRate LimitChinavs Official
Grok / X.AI💰 Best Price🏢 Official
官方$1.25$2.50--Baseline
📈 Price History
Every scraper-detected price change is recorded. Same-day multiple changes take the last value; unchanged channels carry the last observed price forward.
1 changes · 1/1 channels
💵 Estimated Monthly Costs
Based on typical usage patterns (input:output = 2:1 ratio); all channels converted to USD for comparison
Usage LevelTokens/MonthGrok / X.AI
🐣 Light0.1M in + 0.1M out$0.25
📊 Medium1.0M in + 0.5M out$2.50
🚀 Heavy10.0M in + 5.0M out$25.00
🏢 Enterprise100.0M in + 50.0M out$250.00

Frequently asked questions about grok-4.20-reasoning

How much does the Grok 4.20 Reasoning API cost?

The lowest input rate is USD 1.25 per 1M tokens; output on that channel is USD 2.5 per 1M tokens.

Which channel has the cheapest Grok 4.20 Reasoning API?

Grok / X.AI has the lowest input rate: USD 1.25 per 1M tokens. Cross-currency ranking uses exchange rates; compare output and cache prices separately.

What is the Grok 4.20 Reasoning cache-read price?

Grok / X.AI: USD 0.2 per 1M cache-read tokens.

When was Grok 4.20 Reasoning pricing last updated?

Updated on 2026-10-16. This is the latest recorded price update or verification; see the table for individual channel dates.

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Grok 4.20 Reasoning API Pricing / Price per 1M tokens | aiplans.dev