Grok 4.20 pricing & price history
Grok 4.20 by xAI costs $1.25 per 1M input tokens and $2.50 per 1M output tokens, with a 2M token context window.
Price history
No price changes since tracking began on 2026-09-24. We check hourly.
Cost calculator
Cheaper alternatives to Grok 4.20
| Model | Input | Output | Context | Intel. | |
|---|---|---|---|---|---|
M Ministral 3 8B 2512 Mistral AI | $0.15 | $0.15 | 262K | 5.5 | compare |
M Llama 4 Scout Meta Llama | $0.10 | $0.30 | 1.3M | — | compare |
X MiMo-V2.6-Flash Xiaomi | $0.14 | $0.28 | 1M | — | compare |
M Llama Guard 4 12B Meta Llama | $0.18 | $0.18 | 164K | — | compare |
O GPT-6 Luna Pro OpenAI | $0.10 | $0.50 | 1.1M | — | compare |
O GPT-6 Luna OpenAI | $0.10 | $0.50 | 1.1M | 37.3 | compare |
N | $0.20 | $0.20 | 131K | — | compare |
M Ministral 3 14B 2512 Mistral AI | $0.20 | $0.20 | 262K | 6 | compare |
About Grok 4.20
Grok 4.20 is a reasoning model from SpaceXAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...
FAQ
How much does Grok 4.20 cost?
Grok 4.20 by xAI costs $1.25 per 1M input tokens and $2.50 per 1M output tokens, with a 2M token context window. A typical request with 2,000 input and 500 output tokens costs about $0.0037.
What is the context window of Grok 4.20?
Grok 4.20 supports up to 2,000,000 tokens of context and up to 1,800,000 output tokens per request.
Has Grok 4.20’s price changed?
No price changes recorded since ModelBank started tracking it on 2026-09-24.
Is Grok 4.20 being deprecated?
No retirement date has been announced for Grok 4.20 as of 2026-09-24.
What are cheaper alternatives to Grok 4.20?
Cheaper options include Ministral 3 8B 2512 ($0.15/$0.15), Llama 4 Scout ($0.10/$0.30), MiMo-V2.6-Flash ($0.14/$0.28), Llama Guard 4 12B ($0.18/$0.18).