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AI123AI Modelsx-aiGrok 4.20 Multi-Agent
Grok 4.20 Multi-Agent

Grok 4.20 Multi-Agent

x-ai

Grok 4.20 Multi-Agent is a variant of SpaceXAI’s Grok 4.20 designed for collaborative, agent-based workflows. Multiple agents operate in parallel to conduct deep research, coordinate tool use, and synthesize information across complex tasks.

Reasoning effort behavior: low / medium: 4 agents high / xhigh: 16 agents

Modalities
TT
Input / output price
$1.25/$2.5per 1M tokens
Context
2.0M
Released
2026-03-31
PricingRelated Models

Pricing

Usage prices in USD. Token rates are per one million tokens; other billing units are shown with each charge.
InputOutputCache readWeb search
$1.25/ 1M tokensOver 200K: $2.50 / 1M tokens$2.50/ 1M tokensOver 200K: $5.00 / 1M tokens$0.20/ 1M tokensOver 200K: $0.40 / 1M tokens$0.005/ request

Related Models

Grok 4.7

Grok 4.7

x-ai

Grok 4.7 is SpaceXAI's flagship model for coding, agentic tasks, and knowledge work, succeeding Grok 4.6. It is particularly strong at long-running software engineering tasks, verifying its own work, and managing long context, and it improves on its predecessor at professional knowledge work such as drafting documents and presentations. The model was trained with a longer reinforcement learning run weighted toward problems that take many hours to complete, and natively understands the Grok Bot harness for conversational tasks. It ships with a new safeguard stack that pairs strong jailbreak resistance with low refusal rates for legitimate cybersecurity and biology work. SpaceXAI's reported benchmark results use the xhigh reasoning effort.

Context
500K
Max output
450K
Released
2026-09-21
Input
$2/M
Output
$6/M
Cache read
$0.5/M
Grok 4.6

Grok 4.6

x-ai

Grok 4.6 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM. It is succeeded by Grok 4.7.

Context
500K
Max output
450K
Released
2026-08-12
Input
$2/M
Output
$6/M
Cache read
$0.5/M
Grok 4.5

Grok 4.5

x-ai

Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.

Context
500K
Max output
450K
Released
2026-07-08
Input
$2/M
Output
$6/M
Cache read
$0.3/M
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