Grok 4.20 0309 Reasoning pricing & price history
Grok 4.20 0309 Reasoning by xAI costs $1.25 per 1M input tokens and $2.50 per 1M output tokens, with a 1M token context window.
Price history
No price changes since tracking began on 2026-10-16. We check every 10 minutes.
Cost calculator
Cheaper alternatives to Grok 4.20 0309 Reasoning
| Model | Input | Output | Context | Intel. | |
|---|---|---|---|---|---|
GLM 5.3 Flash Z.ai (Zhipu) | $0.0163 | $0.15 | 1M | 27.8 | compare |
Llama 4 Scout Meta Llama | $0.10 | $0.30 | 1.3M | — | compare |
DeepSeek V4.1 Flash DeepSeek | $0.045 | $0.50 | 1M | — | compare |
MiMo-V2.6-Flash Xiaomi | $0.14 | $0.28 | 1.1M | 26.7 | compare |
Llama Guard 4 12B Meta Llama | $0.18 | $0.18 | 164K | — | compare |
Claude Haiku 5.5 Anthropic | $0.10 | $0.50 | 1M | 36.2 | compare |
GPT-6 Luna Pro OpenAI | $0.10 | $0.50 | 1.1M | — | compare |
GPT-6 Luna OpenAI | $0.10 | $0.50 | 1.1M | 27.8 | compare |
About Grok 4.20 0309 Reasoning
Grok 4.20 0309 Reasoning was spotted by ModelBank Radar in official sources (Official model / pricing page) and confirmed on the vendor's own pages. Pricing, context window and capabilities are filled in automatically as soon as the vendor or a major catalog publishes them.
FAQ
How much does Grok 4.20 0309 Reasoning cost?
Grok 4.20 0309 Reasoning by xAI costs $1.25 per 1M input tokens and $2.50 per 1M output tokens, with a 1M 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 0309 Reasoning?
Grok 4.20 0309 Reasoning supports up to 1,000,000 tokens of context and up to 30,000 output tokens per request.
Has Grok 4.20 0309 Reasoning’s price changed?
No price changes recorded since ModelBank started tracking it on 2026-10-16.
Is Grok 4.20 0309 Reasoning being deprecated?
No retirement date has been announced for Grok 4.20 0309 Reasoning as of 2026-10-31.
What are cheaper alternatives to Grok 4.20 0309 Reasoning?
Cheaper options include GLM 5.3 Flash ($0.0163/$0.15), Llama 4 Scout ($0.10/$0.30), DeepSeek V4.1 Flash ($0.045/$0.50), MiMo-V2.6-Flash ($0.14/$0.28).