Calculate the cost of using grok-4.3 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-4.3 is a chat model from xAI, one of 44 chat models they offer. It is priced at $1.25 per 1M input tokens and $2.50 per 1M output tokens, ranking 1992 out of 2788 chat models by cost and cheaper than 28% of models in this category. grok-4.3 supports vision, function calling, reasoning, web search, prompt caching, structured output. Its 1,000K-token context window is in the top 17% 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 $1.25 per 1M input tokens and $2.50 per 1M output tokens, grok-4.3 ranks 1992 out of 2788 chat models by input cost. It is more expensive compared to the median of $0.55 for chat models, and is cheaper than 28% of models in this category.
grok-4.3 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 17% of chat models.
| Model | Provider | Input / 1M tokens | Output / 1M tokens | vs grok-4.3 |
|---|---|---|---|---|
| gemini-2.5-pro | Vertex AI | $1.25 | $10.00 | 0% |
| gemini-3.5-flash | Vertex AI | $1.50 | $9.00 | +20% |
| gemini-3.6-flash | Vertex AI | $1.50 | $7.50 | +20% |
Similar chat models from other providers
No. grok-4.3 costs $1.25 per 1M input tokens while gemini-2.5-pro costs $1.25 per 1M input tokens, making gemini-2.5-pro 0% more affordable for input. However, grok-4.3 may offer different capabilities or performance characteristics that justify the price difference.
grok-4.3 input pricing is $1.25 per 1M tokens, which is 129% above the median of $0.55 for chat models. It ranks 1992 out of 2788 chat models by input cost, making it cheaper than 28% of models in this category. For output, it costs $2.50 per 1M tokens compared to the median of $1.50.
Among xAI's 44 chat models, grok-4.3 ranks 19 by input cost.
The most comparable chat models to grok-4.3 are: gemini-2.5-pro from Vertex AI ($1.25/1M input tokens); gemini-3.5-flash from Vertex AI ($1.50/1M input tokens); gemini-3.6-flash from Vertex AI ($1.50/1M input tokens); gemini-flash-latest from Google Gemini ($1.50/1M 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-4.3 supports up to 1,000,000 input tokens, placing it in the top 17% of chat models by context window size (rank 376 of 2599). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories.
grok-4.3 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 $1.25 and generating 1M output tokens costs $2.50.