Calculate the cost of using grok-4.20-beta-0309-reasoning from xAI for your AI applications
Pricing data last updated:
Mode: Chat
Max: 1,000,000 tokens
Max: 1,000,000 tokens
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grok-4.20-beta-0309-reasoning is a chat model from xAI, one of 44 chat models they offer. It is priced at $2.00 per 1M input tokens and $6.00 per 1M output tokens, ranking 2338 out of 2912 chat models by cost and cheaper than 20% of models in this category. grok-4.20-beta-0309-reasoning supports vision, function calling, reasoning, web search, prompt caching, structured output. Its 1,000K-token context window is in the top 18% among chat models.
Note: Use the interactive calculator above to estimate costs for your specific usage patterns.
Use the maximum token limits shown above to understand the model's capacity. This model can handle up to 1,000,000 input tokens. The maximum output length is 1,000,000 tokens.
At $2.00 per 1M input tokens and $6.00 per 1M output tokens, grok-4.20-beta-0309-reasoning ranks 2338 out of 2912 chat models by input cost. It is more expensive compared to the median of $0.55 for chat models, and is cheaper than 20% of models in this category.
grok-4.20-beta-0309-reasoning is one of 44 xAI chat models, with support for vision, function calling, reasoning, web search, prompt caching, structured output. its 1,000K-token context window places it in the top 18% of chat models.
| Model | Provider | Input / 1M tokens | Output / 1M tokens | vs grok-4.20-beta-0309-reasoning |
|---|---|---|---|---|
| gpt-5.6-terra | Azure | $2.00 | $12.00 | 0% |
| claude-sonnet-5 | Anthropic | $2.00 | $10.00 | 0% |
| gemini-3-pro-preview | Vertex AI | $2.00 | $12.00 | 0% |
Similar chat models from other providers
No. grok-4.20-beta-0309-reasoning costs $2.00 per 1M input tokens while gpt-5.6-terra costs $2.00 per 1M input tokens, making gpt-5.6-terra 0% more affordable for input. However, grok-4.20-beta-0309-reasoning may offer different capabilities or performance characteristics that justify the price difference.
grok-4.20-beta-0309-reasoning input pricing is $2.00 per 1M tokens, which is 264% above the median of $0.55 for chat models. It ranks 2338 out of 2912 chat models by input cost, making it cheaper than 20% of models in this category. For output, it costs $6.00 per 1M tokens compared to the median of $1.50.
Among xAI's 44 chat models, grok-4.20-beta-0309-reasoning ranks 33 by input cost.
The most comparable chat models to grok-4.20-beta-0309-reasoning are: gpt-5.6-terra from Azure ($2.00/1M input tokens); claude-sonnet-5 from Anthropic ($2.00/1M input tokens); gemini-3-pro-preview from Vertex AI ($2.00/1M input tokens); gemini-3.1-pro-preview from Vertex AI ($2.00/1M input tokens). These alternatives were selected based on similar capabilities, pricing, and provider diversity. You can compare any of these models in detail using the Bifrost Model Library.
grok-4.20-beta-0309-reasoning supports up to 1,000,000 input tokens, placing it in the top 18% of chat models by context window size (rank 416 of 2714). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories.
grok-4.20-beta-0309-reasoning is priced based on input and output tokens. Use the interactive calculator at the top of this page to estimate costs for your specific workload. Enter your expected input and output tokens volume and the calculator will show the total cost breakdown. For reference, processing 1M input tokens costs $2.00 and generating 1M output tokens costs $6.00.