---
title: "SpaceXAI: Grok 4.20 Multi-Agent — price, capability and what beats it · Undominated.ai"
canonical: https://undominated.ai/models/x-ai__grok-4.20-multi-agent/
description: "SpaceXAI: Grok 4.20 Multi-Agent: $1.25/M in, $2.50/M out. Independent capability scores, context-tier pricing, and the models that are both better and cheaper."
---

# SpaceXAI: Grok 4.20 Multi-Agent — price, capability and what beats it · Undominated.ai

> SpaceXAI: Grok 4.20 Multi-Agent: $1.25/M in, $2.50/M out. Independent capability scores, context-tier pricing, and the models that are both better and cheaper.

[Leaderboard](/) / xAI

# Grok 4.20 Multi-Agent

xAI · released 2026-03-31

 $1.56 per million tokens, balanced Balanced Summarise Chat Code gen Agentic

## No independent quality score.

No benchmark we track has measured this model. That is not the same as measuring it and finding it wanting — we simply cannot rank it, so we do not.

### Every price dimension

| Input | $1.25 /M |
| --- | --- |
| Output | $2.50 /M |
| Cached input | $0.200 /M |
| Web search | $0.005 /call |

**Past 200,000 tokens the price changes.** Input goes to $2.50/M (2×) and output to $5.00/M. The headline rate does not apply to a long-context workload.

### Independent scores

No independent benchmark has measured this model.

### Capability

| Context window | 2M |
| --- | --- |
| Input modes | text, image, file |
| Tool use | no |
| Reasoning | always on |
| Knowledge cutoff | 2025-09-01 |

### Provenance

| Price source | openrouter.ai |
| --- | --- |
| Fetched | 2026-08-24 |
| Quality data | unrated |

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...