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Grok 4.20 Multi-Agent

  • Text Generation

Grok 4.20 Multi-Agent is an xAI large language model variant that coordinates multiple specialized agents in parallel to tackle complex research and reasoning tasks. It emphasizes deep, tool-using analysis with a very large context window and structured outputs.

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Providers Comparison

Speed

Output tokens per second · Higher is better

246
97
92
91
90
80
60
27
LLM API
SiliconFlow (FP8)
GMI
CoreWeave
Novita
DeepSeek
Parasail (FP8)
DeepInfra (FP4)

End-to-End Response Time

Seconds · Lower is better

65.1
8.1
19.8
20.4
20.9
23.1
24.6
30.6
LLM API
SiliconFlow (FP8)
GMI
CoreWeave
Novita
DeepSeek
Parasail (FP8)
DeepInfra (FP4)

Price

USD per 1M tokens (blended) · Lower is better

65.1
8.1
19.8
20.4
20.9
23.1
24.6
30.6
LLM API
SiliconFlow (FP8)
GMI
CoreWeave
Novita
DeepSeek
Parasail (FP8)
DeepInfra (FP4)

About the model

What is Grok 4.20 Multi-Agent?

Grok 4.20 Multi-Agent is an xAI model that runs multiple cooperating agents within a single system to perform deep, multi-step analysis and synthesis. It is mainly used for intensive research workflows, where different agents can search, analyze, and synthesize information in parallel to produce comprehensive, well‑sourced answers. It is also applied in complex enterprise and developer use cases that demand long-context reasoning, function calling, and structured output generation. It belongs to the Grok 4.20 family of xAI models, which includes reasoning and non‑reasoning variants and is part of the broader Grok series of xAI frontier models.

Model capabilities

5 Core Capabilities

  • Conversational Assistant

    Engages in multi-turn dialogue, answering questions, following instructions, and maintaining context across extended conversations on diverse topics.

  • Visual Reasoning

    Interprets images to identify objects, read diagrams, and extract visual details useful for answering questions and explanations.

  • Text Translation

    Translates between multiple languages while preserving original meaning, tone, and context in both short messages and longer documents.

  • Screen Content Analysis

    Understands and explains on-screen content such as UI layouts, charts, and dashboards to support troubleshooting and navigation tasks.

  • Document OCR

    Extracts machine-readable text from images or scanned documents, enabling search, editing, and downstream processing of visual text content.

Use cases

6 Most Valuable Use Cases

  • Deep Multi-Step Research
  • Long-Context Document Analysis
  • Tool-Orchestrated Workflows
  • Real-Time Web Fact-Checking
  • Data and Code Exploration
  • Multimodal Reasoning Tasks

Transparent pricing

Cost Comparison

Up to 70% cheaper than comparable Grok-tier multi-agent LLMs

Provider Region Latency Throughput Uptime Input ($/1M) Output ($/1M) Context
LLM API BEST Global 120ms 120 tps 99.99% $0.90 $1.80 256K
xAI Global ~250ms ~60 tps ~99.9% ~$3.00 ~$6.00 ~128K
OpenAI Global ~220ms ~80 tps ~99.9% ~$2.50 ~$5.00 ~128K
Anthropic US East ~230ms ~70 tps ~99.9% ~$2.80 ~$5.50 ~200K
Google Cloud Global ~240ms ~65 tps ~99.9% ~$2.20 ~$4.40 ~128K

Performance benchmarks

Technical Specifications

Metric Grok 4.20 Multi-Agent (xAI) GPT-4o (OpenAI) Claude 3.5 Sonnet (Anthropic)
Avg Latency ~220ms ~300ms ~350ms
Context Window 128K 128K 200K
Input Price ($/1M tokens) $0.80 $5.00 $3.00
Output Price ($/1M tokens) $1.60 $15.00 $15.00
Max Output Tokens 8K 4K 4K
Throughput 60 tps 40 tps 35 tps
Uptime 99.9% 99.9% 99.9%

30-day usage via LLM API

11.4B
Prompt tokens processed (30 days)
7.8B
Completion tokens generated (30 days)
5.2M
API requests served (30 days)
210K
Unique developer accounts (30 days)
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Architecture & Integration

Why Build on LLM.API?

One unified API. Every major model. Built-in reliability, cost control, and observability.

  • Intelligent Model Routing

    Automatically route each request to the best-fit model across providers based on latency, cost, and quality—no client changes or custom glue code required.

    One endpoint, every model

  • Cost-Aware Execution

    Track and optimize spend per model, project, and tenant with built-in price intelligence so you can enforce budgets and safely experiment without bill shock.

    Optimize every token

  • Resilient Fallback Logic

    Define automatic fallbacks when a provider fails, rate-limits, or degrades—keeping your AI features up without complex retry orchestration in your codebase.

    Always-on reliability

  • End-to-End Observability

    Get centralized traces, logs, metrics, and prompts across all models and providers so you can debug failures, tune performance, and prove SLAs from one place.

    See every token flow

  • Task-Level Abstractions

    Call high-level tasks like chat, tools, and rerank instead of provider-specific APIs, letting you swap models or vendors without rewriting your application logic.

    Code to tasks, not vendors

  • High-Throughput Batch Jobs

    Run large-scale inference, evaluations, and backfills with automatic chunking, parallelization, and retries so you can process millions of records reliably and cheaply.

    Scale runs, not code

Decision guide

When to Use — When NOT to Use

Use it if...

  • You need a cutting-edge xAI model with strong general-purpose reasoning and generation.
  • You need multi-agent style orchestration for tasks involving several coordinated reasoning steps.
  • Your use case involves experimental projects targeting Grok-specific features and xAI tooling.
  • You need to benchmark xAI’s latest model against other frontier LLMs for evaluation.
  • Your use case involves English-heavy workloads where bleeding-edge capabilities are most important.

Avoid if...

  • You need a fully battle-tested model with long-standing production track record and stability guarantees.
  • Your workload requires strict enterprise compliance attestations and mature governance documentation today.
  • You need proven performance across many non-English languages with extensive real-world benchmarks.
  • Your workload requires deep ecosystem support, plugins, and broad third-party integration coverage.
  • You need conservative, heavily safety-tuned behavior with minimal risk of unexpected stylistic outputs.

FAQ

Frequently Asked Questions

  • What is Grok 4.20 Multi-Agent?

    Grok 4.20 Multi-Agent is an xAI model accessible via LLM.API that orchestrates multiple specialized agents to handle complex, multi-step tasks.

  • What is Grok 4.20 Multi-Agent best suited for?

    Grok 4.20 Multi-Agent is best for complex reasoning workflows, tool-heavy automations, and multi-step tasks that benefit from coordinated specialized agents.

  • How is Grok 4.20 Multi-Agent priced on LLM.API?

    Grok 4.20 Multi-Agent is billed per token on LLM.API, with separate input and output rates shown in your workspace’s pricing table.

  • What context window does Grok 4.20 Multi-Agent support?

    Grok 4.20 Multi-Agent supports a large context window suitable for long conversations and multi-step workflows; check LLM.API docs for the current token limit.

  • How fast is Grok 4.20 Multi-Agent in terms of latency and throughput?

    Grok 4.20 Multi-Agent typically has higher latency than single-agent models due to coordination overhead, but supports streaming responses to improve perceived speed.

  • What input and output modalities does Grok 4.20 Multi-Agent support via LLM.API?

    Through LLM.API, Grok 4.20 Multi-Agent supports text input and output, with any additional modalities documented in the model’s capabilities section.

  • How do I call Grok 4.20 Multi-Agent through the LLM.API?

    You call Grok 4.20 Multi-Agent by setting the model field to its identifier in LLM.API’s chat or completions endpoint and passing your messages payload.

  • How does Grok 4.20 Multi-Agent compare to single-agent Grok models?

    Compared to single-agent Grok variants, Grok 4.20 Multi-Agent is better for decomposing complex tasks but may be slower and more expensive per request.

  • Does Grok 4.20 Multi-Agent support tools and function calling via LLM.API?

    Yes, Grok 4.20 Multi-Agent can use tools and function calling defined in your LLM.API request, enabling agents to interact with external systems.

  • What are the main limitations of Grok 4.20 Multi-Agent?

    Grok 4.20 Multi-Agent can still hallucinate, propagate tool errors, and may incur higher costs or latency on very long or poorly constrained workflows.

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