x-aiListed Mar 31, 2026

SpaceXAI: Grok 4.20 Multi-Agent

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...

Context window2M
Max output1.8M
Provider endpoints6
Benchmark results0
Measured performance

Benchmark results

All leaderboards ↗
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No published results in this index yet

Scores appear here when an evaluation matches this exact model.

Access & cost

Prices across providers

10 quotes

Your token mix

USD · listed token rates

ExperientialStandard list rate
$1.875
xAI · via OpenRouterxai/zdr · prompt ≤ 200000 tokens
$1.875
xAI · via OpenRouterxai · prompt ≤ 200000 tokens
$1.875
xAI · via OpenRouterxai/zdr/priority · tier=priority · prompt ≤ 200000 tokens
$3.75
xAI · via OpenRouterxai/priority · tier=priority · prompt ≤ 200000 tokens
$3.75

OpenRouter

Catalog quote
Input
$1.25
Output
$2.50
Cached input
$0.20
USD / 1M tokens
2M context1.8M max outputPrice source ↗Checked Oct 18, 2026
Endpoint IDx-ai/grok-4.20-multi-agent

Experiential

Standard list rate

Input
$1.25
Output
$2.50
Cached input
$0.20
USD / 1M tokens

Catalog list rate. Plan allowances and temporary discounts are separate.

1M contextPrice source ↗Checked Oct 18, 2026
Endpoint IDgrok-4.20-multi-agent

xAI

via OpenRouter

xai/zdr · prompt ≤ 200000 tokens

Input
$1.25
Output
$2.50
Cached input
$0.20
USD / 1M tokens

Web search $0.005/search

2M context1.8M max outputPrice source ↗Checked Oct 18, 2026
Endpoint IDx-ai/grok-4.20-multi-agent::xai/zdr

xAI

via OpenRouter

xai/zdr · prompt over 200000 tokens · rate option 1

Conditional rate
Input
$2.50
Output
$5.00
Cached input
$0.40
USD / 1M tokens

Web search $0.005/search · A rate applies when all its listed conditions match. Dates and times use UTC.

2M context1.8M max outputPrice source ↗Checked Oct 18, 2026
Endpoint IDx-ai/grok-4.20-multi-agent::xai/zdr

xAI

via OpenRouter

xai · prompt ≤ 200000 tokens

Input
$1.25
Output
$2.50
Cached input
$0.20
USD / 1M tokens

Web search $0.005/search

2M context1.8M max outputPrice source ↗Checked Oct 18, 2026
Endpoint IDx-ai/grok-4.20-multi-agent::xai

xAI

via OpenRouter

xai · prompt over 200000 tokens · rate option 1

Conditional rate
Input
$2.50
Output
$5.00
Cached input
$0.40
USD / 1M tokens

Web search $0.005/search · A rate applies when all its listed conditions match. Dates and times use UTC.

2M context1.8M max outputPrice source ↗Checked Oct 18, 2026
Endpoint IDx-ai/grok-4.20-multi-agent::xai

xAI

via OpenRouter

xai/zdr/priority · tier=priority · prompt ≤ 200000 tokens

Input
$2.50
Output
$5.00
Cached input
$0.40
USD / 1M tokens

Web search $0.005/search

2M context1.8M max outputPrice source ↗Checked Oct 18, 2026
Endpoint IDx-ai/grok-4.20-multi-agent::xai/zdr/priority

xAI

via OpenRouter

xai/zdr/priority · tier=priority · prompt over 200000 tokens · rate option 1

Conditional rate
Input
$5.00
Output
$10.00
Cached input
$0.80
USD / 1M tokens

Web search $0.005/search · A rate applies when all its listed conditions match. Dates and times use UTC.

2M context1.8M max outputPrice source ↗Checked Oct 18, 2026
Endpoint IDx-ai/grok-4.20-multi-agent::xai/zdr/priority

xAI

via OpenRouter

xai/priority · tier=priority · prompt ≤ 200000 tokens

Input
$2.50
Output
$5.00
Cached input
$0.40
USD / 1M tokens

Web search $0.005/search

2M context1.8M max outputPrice source ↗Checked Oct 18, 2026
Endpoint IDx-ai/grok-4.20-multi-agent::xai/priority

xAI

via OpenRouter

xai/priority · tier=priority · prompt over 200000 tokens · rate option 1

Conditional rate
Input
$5.00
Output
$10.00
Cached input
$0.80
USD / 1M tokens

Web search $0.005/search · A rate applies when all its listed conditions match. Dates and times use UTC.

2M context1.8M max outputPrice source ↗Checked Oct 18, 2026
Endpoint IDx-ai/grok-4.20-multi-agent::xai/priority

Model specifications

Developer
x-ai
Modality
Language
Context
2,000,000 tokens
Maximum output
1,800,000 tokens
Weights
Not reported
Provider listed
Mar 31, 2026
First discovered
Oct 16, 2026

Exact identities

  • openrouterx-ai/grok-4.20-multi-agent
  • experientialgrok-4.20-multi-agent

Sources

Updated Oct 18, 2026

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