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  1. Home
  2. /Model
  3. /Grok
  4. /grok-4.3 / image-to-text
Grok
grok-4.3 / image-to-text
ChatDocumentation
Documentation
grok 4.3 is xAI's high-performance reasoning model. It excels in multi-step logic and real-time synthesis using X data. The grok 4.3 api offers 512k context and state-of-the-art math benchmarks for developers building complex agentic systems.

$ 0.75
$ 1.25

$ 1.5
$ 2.5

image

text

$ 0.75
$ 1.25

image

$ 1.5
$ 2.5

text

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Core Features of the grok 4.3 api

Experience the next generation of reasoning with the grok 4.3 api, featuring live-search and high-precision math.

Advanced Logical MATH

Achieve over 86% accuracy on complex mathematical reasoning and graduate-level symbolic logic using grok.

Grok Math Logic

512k Context Window

Process entire codebases or massive legal archives with a 99.9% needle-in-a-haystack retrieval rate.

Grok 512k Context

Native Python Sandbox

Verify results and perform data visualization during inference with grok's built-in code execution environment.

Grok Code Execution

Live-Search Synthesis

Harness real-time data from X and the web to minimize hallucinations in news-sensitive queries with the grok 4.3 api.

Grok Real-time Data

How to Get a grok-4.3 API Key

Getting a grok-4.3 API key takes four steps and a few minutes. Create a free GPTProto account, add credits, generate your key, and make your first call — at $0.75 / $1.5 it's a cheaper grok-4.3 API key than going direct, and one key works across every model on the platform. Full grok-4.3 Documentation is in the docs.

Sign up

Sign up

Create your free GPT Proto account to begin. You can set up an organization for your team at any time.

Top up

Top up

Your balance can be used across all models on the platform, including grok-4.3, giving you the flexibility to experiment and scale as needed.

Generate your API key

Generate your API key

In your dashboard, create an API key — you'll need it to authenticate when making requests to grok-4.3.

Make your first API call

Make your first API call

Use your API key with our sample code to send a request to grok-4.3 via GPT Proto and see instant AI-powered results.

Get API Key

grok 4.3 api Frequently Asked Questions

Get answers about grok 4.3 api integration, pricing, and performance features for your enterprise applications.

What makes the grok 4.3 api unique?

The grok 4.3 api stands out due to its Live-Search pipeline, which pulls real-time data from the X platform. This allows grok to provide up-to-the-minute insights that static models miss. Combined with its high-performance reasoning and state-of-the-art mathematical capabilities, grok is ideal for applications requiring both current awareness and deep logical processing.

Is the grok 4.3 api OpenAI compatible?

Yes, the grok 4.3 api is designed to be 100% OpenAI-compatible. You can easily migrate your existing projects by simply swapping the base URL and model name in your current SDK configuration. This makes it effortless to integrate grok's advanced reasoning into your established workflows without rewriting your entire codebase.

How much does the grok 4.3 api cost?

Our platform offers grok 4.3 api access at $5.00 per 1M input tokens and $15.00 per 1M output tokens. We also provide significant discounts for batch processing and prompt caching. Enterprise users can benefit from additional volume discounts and unified billing through GPTProto.com, often making it more cost-effective than direct xAI billing.

Does grok 4.3 support multimodal inputs?

Absolutely. The grok 4.3 model features native multimodal support, allowing it to process and analyze image, video, and audio inputs. This makes the grok 4.3 api a versatile choice for complex tasks like converting technical blueprints into structured data or extracting insights from visual media in real-time.

What is the grok 4.3 context window size?

The grok 4.3 api supports a massive context window of 512,000 tokens. This allows you to feed grok entire libraries, long-form legal contracts, or large software repositories. With a needle-in-a-haystack accuracy rate of over 99.9%, grok ensures that critical information is never lost, even in the largest datasets.

Is my data used to train the grok model?

No. When you access the grok 4.3 api through GPTProto.com, your data is protected under our Enterprise Privacy Agreement. Neither we nor xAI use your API request data to train future iterations of the grok model, ensuring your proprietary information remains confidential and secure.

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Monitoring grok server status: The Pulse of xAI Supercomputing

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Stay updated on the grok server status to ensure your AI workflows remain seamless. Discover how xAI's infrastructure impacts performance and reliability.

Grok API: Unfiltered Power and Hidden Fees

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The grok api offers raw, real-time data but hides brutal moderation fees. Learn how to manage costs and build smarter applications today.

Grok AI API: The Hidden Costs and Real Value

Grok AI API: The Hidden Costs and Real Value

Is the grok ai api worth it? Learn the real costs of video generation, moderation fees, and how to optimize your build. Get started today.

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With our flagship product GPT Proto, we offer a unified interface to access and combine APIs from the world's leading AI providers—spanning text, vision, speech, and beyond. We empower developers and enterprises to simplify integration and accelerate innovation without limits.

Global Infrastructure, Local Compliance:

To ensure enterprise-grade reliability and compliance, Talent Tech Global Limited operates specifically as our global Billing and Contracting Entity. Meanwhile, our core technical infrastructure and R&D teams are strategically distributed across global innovation hubs, including Silicon Valley, Singapore, and Hong Kong.

Built to Scale:

We understand that stability is paramount. Our platform is built on a robust, decentralized architecture supporting dynamic Auto-scaling. Whether you are running a pilot or handling millions of concurrent requests, our system expands instantly to meet demand—guaranteeing that your business never outgrows our infrastructure.

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