--- title: "grok-4.3-latest - Model Details & Comparison" description: "grok-4.3-latest from xAI: capabilities, context limits, pricing, and side-by-side comparisons with alternative models." url: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/xai/grok-4.3-latest" markdown: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/xai/grok-4.3-latest.md" --- # grok-4.3-latest - Model Details & Comparison > grok-4.3-latest from xAI: capabilities, context limits, pricing, and side-by-side comparisons with alternative models. ## Important Links - [View MCP Gateway](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/resources/mcp-gateway.md) - [Features](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/#features) - [Enterprise](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/enterprise) - [Pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/pricing.md) - [Docs](https://docs.getbifrost.ai) - [GitHub](https://github.com/maximhq/bifrost) - [Book a Demo](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/book-a-demo) ## About grok-4.3-latest grok-4.3-latest is a chat model from xAI, one of 41 chat models they offer. It is priced at $1.25 per 1M input tokens and $2.50 per 1M output tokens, ranking 1921 out of 2669 chat models by cost and cheaper than 27% of models in this category. grok-4.3-latest supports vision, function calling, reasoning, web search, prompt caching, structured output. Its 1,000K-token context window is in the top 15% among chat models. ## Specifications - **xAI Provider.** - **Chat Mode.** - **1,000,000 Max Input Tokens.** - **1,000,000 Max Output Tokens.** - **1,000,000 Max Tokens.** - **$1.25 / 1M tokens Input Price.** - **$2.50 / 1M tokens Output Price.** ## Capabilities grok-4.3-latest supports: Function Calling, Vision, Reasoning, Web Search, Prompt Caching, Response Schema, Tool Choice. ## grok-4.3-latest Pricing Overview At $1.25 per 1M input tokens and $2.50 per 1M output tokens, grok-4.3-latest ranks 1921 out of 2669 chat models by input cost. It is more expensive compared to the median of $0.50 for chat models, and is cheaper than 27% of models in this category. grok-4.3-latest is one of 41 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 15% of chat models. ## Models to Compare Alternatives to grok-4.3-latest with comparable capabilities. | Model | Provider | Input $/1M | Output $/1M | | --- | --- | --- | --- | | gpt-5.6-luna | Azure | $1.10 | $6.60 | | gemini-2.5-pro | Vertex AI | $1.25 | $10.00 | | gemini-3.5-flash | Vertex AI | $1.50 | $9.00 | | gemini-3.6-flash | Vertex AI | $1.50 | $7.50 | | gemini-flash-latest | Google Gemini | $1.50 | $9.00 | - [Compare gpt-5.6-luna](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-5.6-luna.md) - [Compare gemini-2.5-pro](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gemini-2.5-pro.md) - [Compare gemini-3.5-flash](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gemini-3.5-flash.md) - [Compare gemini-3.6-flash](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gemini-3.6-flash.md) - [Compare gemini-flash-latest](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/gemini/gemini-flash-latest.md) ## Related Resources - [Calculate grok-4.3-latest costs](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/xai/model/grok-4.3-latest.md) - [All xAI pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/xai.md) ## FAQ ### Is grok-4.3-latest cheaper than gpt-5.6-luna? No. grok-4.3-latest costs $1.25 per 1M input tokens while gpt-5.6-luna costs $1.10 per 1M input tokens, making gpt-5.6-luna 12% more affordable for input. However, grok-4.3-latest may offer different capabilities or performance characteristics that justify the price difference. ### How does grok-4.3-latest pricing compare to the average chat model? grok-4.3-latest input pricing is $1.25 per 1M tokens, which is 150% above the median of $0.50 for chat models. It ranks 1921 out of 2669 chat models by input cost, making it cheaper than 27% of models in this category. For output, it costs $2.50 per 1M tokens compared to the median of $1.44. ### What makes grok-4.3-latest different from other xAI models? Among xAI's 41 chat models, grok-4.3-latest ranks 20 by input cost. ### What are the best alternatives to grok-4.3-latest? The most comparable chat models to grok-4.3-latest are: gpt-5.6-luna from Azure ($1.10/1M input tokens); 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). 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. ### How large is grok-4.3-latest's context window? grok-4.3-latest supports up to 1,000,000 input tokens, placing it in the top 15% of chat models by context window size (rank 348 of 2653). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories. ### How do I calculate grok-4.3-latest costs? grok-4.3-latest 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. ## Related Resources - [xAI models](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/provider/xai.md) - [Model library](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library.md) - [LLM cost calculator](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator.md) - [Docs: Bifrost docs](https://docs.getbifrost.ai) - [GitHub: maximhq/bifrost](https://github.com/maximhq/bifrost) - [Pricing: Bifrost pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/pricing.md) - [Enterprise: Bifrost enterprise](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/enterprise) - [Book a Demo: Bifrost demo](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/book-a-demo) - [Resources: Bifrost resources](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/resources.md) --- *This is a markdown version of [https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/xai/grok-4.3-latest](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/xai/grok-4.3-latest) for AI/LLM consumption.*