Calculate the cost of using grok-4.20-reasoning-gv2 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-reasoning-gv2 is a chat model from xAI, one of 36 chat models they offer. It is priced at $2.00 per 1M input tokens and $6.00 per 1M output tokens, ranking 2814 out of 3501 chat models by cost and cheaper than 20% of models in this category. grok-4.20-reasoning-gv2 supports vision, function calling, reasoning, web search, prompt caching, structured output. Its 1,000K-token context window is in the top 25% 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-reasoning-gv2 ranks 2814 out of 3501 chat models by input cost. It is more expensive compared to the median of $0.60 for chat models, and is cheaper than 20% of models in this category.
grok-4.20-reasoning-gv2 is one of 36 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 25% of chat models.
| Model | Provider | Input / 1M tokens | Output / 1M tokens | vs grok-4.20-reasoning-gv2 |
|---|---|---|---|---|
| gpt-5.6-terra | Azure | $2.00 | $12.00 | 0% |
| gpt-5.6-terra-2026-07-09 | Azure | $2.00 | $12.00 | 0% |
| grok-4.6 | Azure | $2.00 | $6.00 | 0% |
Similar chat models from other providers
No. grok-4.20-reasoning-gv2 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-reasoning-gv2 may offer different capabilities or performance characteristics that justify the price difference.
grok-4.20-reasoning-gv2 input pricing is $2.00 per 1M tokens, which is 233% above the median of $0.60 for chat models. It ranks 2814 out of 3501 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 $1.71.
Among xAI's 36 chat models, grok-4.20-reasoning-gv2 ranks 36 by input cost.
The most comparable chat models to grok-4.20-reasoning-gv2 are: gpt-5.6-terra from Azure ($2.00/1M input tokens); gpt-5.6-terra-2026-07-09 from Azure ($2.00/1M input tokens); grok-4.6 from Azure ($2.00/1M input tokens); grok-4-20-reasoning from Azure ($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-reasoning-gv2 supports up to 1,000,000 input tokens, placing it in the top 25% of chat models by context window size (rank 764 of 3230). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories.
grok-4.20-reasoning-gv2 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.