curl --request POST "https://gptproto.com/v1/chat/completions" \
--header "Authorization: Bearer $GPTPROTO_API_KEY" \
--header "Content-Type: application/json" \
--data '{
"model": "grok-4.20-multi-agent-beta-0309",
"messages": [
{
"role": "user",
"content": "Hello"
}
]
}'Chat, coding agents & document work. Priced per 1M tokens — input, cached input and output are billed separately. GPTProto is 40% below official rates.
Grok · ≈ 148M tokens/mo (48M cached)
OpenRouter costs include its ~5.5% credit purchase fee. GPTProto applies a per-model discount (10–30% off) and your bonus credits are also spent at discounted rates — savings compound. Estimates assume a 60% cache hit rate.
| Model | Input → Output | ||||
|---|---|---|---|---|---|
| 2M | $0.75 / $1.50 per 1M | $0.12 / $0.12 per 1M | Input: TextInput: Image Output: Text | |
| — | — | $0.30 / $1.20 per 1M | — / $0.006 per 1M | Input: TextInput: Image Output: Text | |
| 1.05M | $0.79 / $2.38 per 1M | — / $0.04 per 1M | Input: Text Output: Text | ||
| 1.05M | $8.00 / $40.00 per 1M | $10.00 / $0.80 per 1M | Input: TextInput: ImageInput: Document Output: Text | ||
| 1.05M | $0.90 / $4.50 per 1M | $0.60 / $0.09 per 1M | Input: TextInput: ImageInput: VideoInput: DocumentInput: Audio Output: Text | ||
| 1M | $9.00 / $45.00 per 1M | $11.25 / $0.23 per 1M | Input: TextInput: ImageInput: Document Output: Text | ||
| 1M | $1.80 / $5.40 per 1M | $2.25 / $0.23 per 1M | Input: TextInput: ImageInput: VideoInput: DocumentInput: Audio Output: Text | ||
| — | 1.31M | $0.15 / $0.50 per 1M | — / $0.03 per 1M | Input: TextInput: ImageInput: VideoInput: Document Output: Text | |
| — | 1.05M | $0.30 / $1.20 per 1M | — / $0.006 per 1M | Input: TextInput: Image Output: Text | |
| 1.31M | $1.26 / $3.96 per 1M | — / $0.23 per 1M | Input: TextInput: ImageInput: Document Output: Text | ||
| 1.05M | $0.90 / $4.50 per 1M | $0.60 / $0.09 per 1M | Input: TextInput: ImageInput: Document Output: Text | ||
| 500K | $1.20 / $3.60 per 1M | — / $0.30 per 1M | Input: TextInput: Image Output: Text | ||
| 1M | $1.80 / $5.40 per 1M | $2.25 / $0.23 per 1M | Input: TextInput: ImageInput: VideoInput: Document Output: Text | ||
| 1M | $4.50 / $22.50 per 1M | $5.63 / $0.45 per 1M | Input: TextInput: ImageInput: Document Output: Text | ||
| 1.05M | $0.90 / $4.50 per 1M | $0.60 / $0.09 per 1M | Input: TextInput: ImageInput: Document Output: Text | ||
| 1.05M | $2.70 / $13.50 per 1M | $0.27 / $0.27 per 1M | Input: TextInput: ImageInput: Document Output: Text | ||
| 1.05M | $0.16 / $0.96 per 1M | $0.20 / $0.02 per 1M | Input: TextInput: ImageInput: Document Output: Text | ||
| 1.05M | $1.60 / $9.60 per 1M | $2.00 / $0.16 per 1M | Input: TextInput: ImageInput: Document Output: Text | ||
| 500K | $1.20 / $3.60 per 1M | $0.30 / $0.30 per 1M | Input: TextInput: Image Output: Text | ||
| 1M | $1.80 / $9.00 per 1M | $2.25 / $0.18 per 1M | Input: TextInput: Document Output: Text | ||
| 1.05M | $0.48 / $0.96 per 1M | $0.10 / $0.10 per 1M | Input: TextInput: ImageInput: Document Output: Text | ||
| 1.05M | $1.26 / $3.96 per 1M | $0.23 / $0.23 per 1M | Input: TextInput: ImageInput: Document Output: Text | ||
| 1M | $0.36 / $1.44 per 1M | $0.07 / $0.07 per 1M | Input: TextInput: Document Output: Text | ||
| — | 1.05M | $0.30 / $1.20 per 1M | — / $0.006 per 1M | Input: Text Output: Text | |
| 1M | $0.75 / $1.50 per 1M | $0.12 / $0.12 per 1M | Input: TextInput: Image Output: Text | ||
| 262K | $0.85 / $3.60 per 1M | $0.14 / $0.14 per 1M | Input: TextInput: Document Output: Text | ||
| 2M | $0.75 / $1.50 per 1M | $0.12 / $0.12 per 1M | Input: TextInput: Image Output: Text | ||
| 2M | $0.75 / $1.50 per 1M | $0.12 / $0.12 per 1M | Input: TextInput: Image Output: Text | ||
| 205K | $0.24 / $0.96 per 1M | $0.30 / $0.02 per 1M | Input: TextInput: Document Output: Text | ||
| 262K | $0.54 / $2.70 per 1M | $0.09 / $0.09 per 1M | Input: TextInput: Document Output: Text | ||
| — | $0.12 / $0.90 per 1M | — | Input: Text Output: Text | ||
| 262K | $0.10 / $0.97 per 1M | — | Input: TextInput: Image Output: Text | ||
| 262K | $0.10 / $0.97 per 1M | — | Input: TextInput: Image Output: Text | ||
| 262K | $0.02 / $0.18 per 1M | — | Input: TextInput: Image Output: Text |
Unlock Grok-4.20 Multi-Agent API: The Premier Integration on GPT Proto
Welcome to the next frontier of artificial intelligence. The grok-4.20-multi-agent-beta-0309 model, developed by the visionaries at xAI, represents a monumental leap in autonomous reasoning and collaborative task execution. At GPT Proto, we provide the most stable and high-performance gateway to this cutting-edge technology, ensuring that developers and businesses can harness the full power of Grok's latest multi-agent architecture without the traditional overhead. Ready to see what this powerhouse can do? Browse all available Grok models on our platform today.
Revolutionize Workflows with Advanced Multi-Agent Intelligence on GPT Proto
The grok-4.20-multi-agent-beta-0309 model is not just another text generator; it is a sophisticated coordination engine designed to manage multiple sub-tasks simultaneously. When you utilize this model on GPT Proto, you are accessing a system that can break down complex queries into logical components, assign "agents" to handle specific domains of knowledge, and synthesize a final response that is far more accurate than standard single-inference models. This multi-agent approach ensures that edge cases are identified early and that the reasoning process is transparent and robust. By integrating this API through GPT Proto, you benefit from our optimized routing and low-latency infrastructure, making these complex multi-step operations feel instantaneous.
Complex Data Synthesis and Autonomous Research at Unprecedented Speed
In the realm of high-level research and data synthesis, the grok-4.20-multi-agent-beta-0309 model excels by simulating a collaborative environment of experts. Imagine a single API call that triggers a thorough investigation of financial trends, legal precedents, and market sentiment simultaneously. On GPT Proto, this becomes your daily reality. The model’s ability to maintain state across long-form interactions allows it to build upon previous findings, refining its output until it reaches near-perfect precision. Whether you are drafting comprehensive whitepapers or analyzing massive datasets, the multi-agent backbone ensures that no detail is overlooked, providing a level of depth that was previously reserved for human research teams.
Collaborative Multi-Agent Problem Solving for Modern Software Engineering
For software developers, the grok-4.20-multi-agent-beta-0309 model on GPT Proto acts as an elite squad of engineers. One agent might focus on architectural integrity, another on security vulnerabilities, and a third on code optimization. This internal dialogue happens behind the scenes, delivering you a finished code block that has essentially been "peer-reviewed" before it even reaches your screen. This reduces the time spent on debugging and manual code reviews significantly. By leveraging GPT Proto’s robust API implementation, your development environment gains a persistent, intelligent partner capable of understanding the nuances of modern, distributed systems and microservices architecture.
"The grok-4.20-multi-agent-beta-0309 model on GPT Proto isn't just an API; it's a force multiplier for human creativity and technical execution."
Unmatched Reliability and Performance for Your Grok-4.20 API Integration
Integrating a model as advanced as grok-4.20-multi-agent-beta-0309 requires a platform that understands the importance of uptime and throughput. GPT Proto has built a specialized layer for xAI models that handles the intricacies of the Responses API, including stateful interactions and context caching. This means that when the model remembers your previous conversation history, it’s not just convenient—it’s cost-effective. Our platform ensures that these "thinking" traces and multi-agent dialogues are processed with maximum efficiency, reducing your wait times and ensuring that your applications remain responsive even under heavy load. To get started with your first integration, visit our comprehensive API documentation for GPT Proto.
| Feature | Standard AI Models | Grok-4.20 Multi-Agent on GPT Proto |
|---|---|---|
| Reasoning Depth | Linear / Single-path | Multi-Agent Collaborative Reasoning |
| Response Speed | Variable Latency | Optimized High-Speed Throughput |
| Cost Efficiency | Full Retokenization | Advanced Context Caching & Stateful API |
| Task Complexity | Basic Prompting | Autonomous Multi-Step Execution |
Transparent Pricing and Seamless Scaling for Your Enterprise AI Needs
At GPT Proto, we believe that accessing world-class AI should be straightforward and financially transparent. We do not use confusing "Credits" or "Tokens" systems that leave you guessing about your monthly spend. Instead, our platform operates on a direct balance system. You simply top-up your balance with funds, and you are billed exactly for what you use. This "Add Funds" model allows businesses to forecast their AI expenditures with 100% accuracy. Whether you are a solo developer or a large enterprise, you can scale your usage of the grok-4.20-multi-agent-beta-0309 model up or down instantly through your personal GPT Proto dashboard.
As the AI landscape continues to evolve at a breakneck pace, staying informed is your greatest competitive advantage. We invite you to explore the latest industry insights, model benchmarks, and integration tutorials on our official GPT Proto blog. Here, we dive deep into how multi-agent systems like Grok-4.20 are reshaping industries from healthcare to finance. Don't let your business fall behind; join the thousands of innovators who have already chosen GPT Proto as their trusted partner in the AI revolution. Start your journey with the most advanced Grok model today and experience the future of intelligent automation.
grok-4.20-multi-agent-beta-0309 Frequently Asked Questions
Expert answers to the most common questions about the grok-4.20-multi-agent-beta-0309 multi-agent ai model.
What is the primary function of grok-4.20-multi-agent-beta-0309?
How does the grok-4.20-multi-agent-beta-0309 api handle state?
Is grok-4.20-multi-agent-beta-0309 faster than Grok-1?
Can I disable message storage in grok-4.20-multi-agent-beta-0309?
What happens after the 30-day storage limit for grok-4.20-multi-agent-beta-0309?
Does grok-4.20-multi-agent-beta-0309 support function calling?
How do I secure my grok-4.20-multi-agent-beta-0309 implementation?
What are the token limits for grok-4.20-multi-agent-beta-0309?
Is there a trial for the grok-4.20-multi-agent-beta-0309 api?
Does grok-4.20-multi-agent-beta-0309 have a bias towards specific industries?
Can I use grok-4.20-multi-agent-beta-0309 for real-time coding?
How does grok-4.20-multi-agent-beta-0309 ensure privacy?
Related Articles
Guides, comparisons, and updates related to this model.
All Articles
Grok 4 API: A Guide to xAI Reasoning and Media
Explore the Grok 4 API for advanced reasoning, image, and video generation. Optimize your developer workflow and reduce costs. Get started with xAI now.
xAI Grok API Pricing 2026: Models, Token Rates & Cost Guide
Wondering about xAI Grok API pricing in 2026? This guide breaks down every Grok model's token rates, subscription tiers, free credits, and how it stacks up against GPT and Claude — so you can pick the right plan without overpaying.
Grok API: Unfiltered Power and Hidden Fees
The grok api offers raw, real-time data but hides brutal moderation fees. Learn how to manage costs and build smarter applications today.
Grok-4: Understanding xAI's Revolutionary Real-Time AI Model
Discover Grok-4 and Grok 4.1's capabilities, benchmarks, and how xAI's frontier AI compares to GPT-5, Claude, and Gemini. Access via GPT Proto or X Premium. Updated Dec 2025.