Identity
- Status
- preview
- Developer ID
grok-4.20-multi-agent-0309- Released
- Not reported
- Version
- Grok 4.20 Multi-Agent
- License
- Unknown
xAIGrok 4.20 Multi-Agent
Grok 4.20 Multi-Agent is xAI's beta model for collaborative multi-agent deep research.
- Context
- 1,000,000 tokens
- Inputs
- Text, Image
- Outputs
- Text
- Released
- Not reported
Providers & Pricing
Estimate workload cost →| Provider | Input / 1M | Output / 1M | Cache read / 1M | Cache write / 1M | Observed | Evidence |
|---|---|---|---|---|---|---|
xAIAvailable | $1.25 | $2.50 | $0.20 | — | Aug 29, 2026 | Provider-reported |
Benchmarks
All benchmark results →| Grok 4.20 Multi-AgentxAI | LMArena Search Arenasearch-2026-08-24-011508720696 | 1,204.11 | — | 109,553 | grok-4.20-multi-agent-beta-0309; 95% CI [1198.80874858, 1209.41102574]; votes 109553; rank 13unknown | Original sourcewinner eligible | Third-party benchmark |
| Grok 4.20 Multi-AgentxAI | LMArena Text Arenatext-2026-09-01-011508720696 | 1,450.22 | — | 60,845 | grok-4.20-multi-agent-beta-0309; 95% CI [1446.44654530, 1453.99996127]; votes 60845; rank 43unknown | Original sourcewinner eligible | Third-party benchmark |
| Grok 4.20 Multi-AgentxAI | LMArena Vision Arenavision-2026-08-27-011508720696 | 1,259.97 | — | 22,988 | grok-4.20-multi-agent-beta-0309; 95% CI [1253.56879963, 1266.36768970]; votes 22988; rank 42unknown | Original sourcewinner eligible | Third-party benchmark |
At a Glance
Model Facts
Capacity
- Context
- 1,000,000 tokens
- Maximum output
- Unknown
- Total parameters
- Unknown
- Active parameters
- Unknown
- Knowledge cutoff
- Not reported
Interface and Access
- Inputs
- Text, Image
- Outputs
- Text
- API available
- Yes
- Open weights
- No
- Self-hostable
- No
- Reasoning
- Yes
- Vision
- Yes
- Tool calling
- Yes
- Capabilities
- generation, reasoning, research, tools
This page represents one immutable developer model ID. Serving endpoints, pricing, regions, quantizations, and service tiers attach separately and never create duplicate model records.
Version Lineage
PredecessorUnknown
SuccessorsUnknown
Aliasesgrok-4.20-multi-agent, grok-4.20-multi-agent-0309, grok-4.20-multi-agent-beta-0309, grok-4.20-multi-agent-beta-latest, grok-4.20-multi-agent-experimental-beta-0304, grok-4.20-multi-agent-experimental-beta-latest, grok-4.20-multi-agent-latest
Explicit Unknowns
- Release date
- Maximum output
- Architecture
- Tokenizer
- Knowledge cutoff
Primary Evidence
Sources and Observation Date
Comparable Peers
Related Model Comparisons
| A | Pair | B | Context |
|---|---|---|---|
| vs | Grok 4.6xAI | family variantsimage, text | |
| vs | Claude Fable 5Anthropic | cross-developer peersimage, text | |
| vs | Claude Fable 5.1Anthropic | cross-developer peersimage, text | |
| vs | Claude Mythos 5.1Anthropic | cross-developer peersimage, text | |
| vs | Claude Opus 5Anthropic | cross-developer peersimage, text | |
| vs |  MiniMax-M3MiniMax | cross-developer peersimage, text | |
| vs | cross-developer peersimage, text | ||
| vs |  Gemini Deep Research MaxGoogle DeepMind | cross-developer peerstext | |
| vs | Gemini Deep ResearchGoogle DeepMind | cross-developer peerstext | |
| vs | Gemini Computer UseGoogle DeepMind | cross-developer peerstext | |
| vs | Antigravity AgentGoogle DeepMind | cross-developer peerstext | |
| vs |  stable-diffusion-3.5-mediumStability AI | cross-developer peersimage |
Questions
Grok 4.20 Multi-Agent FAQs
What is Grok 4.20 Multi-Agent?+
Grok 4.20 Multi-Agent is xAI's beta model for collaborative multi-agent deep research. It is developed by xAI and its current sourced lifecycle status is preview.
What inputs and outputs does Grok 4.20 Multi-Agent support?+
Grok 4.20 Multi-Agent's current record lists Text and Image as input and Text as output.
How much context does Grok 4.20 Multi-Agent support?+
The current record lists a 1,000,000-token context window and does not report a maximum output length.
Is Grok 4.20 Multi-Agent available through an API?+
Grok 4.20 Multi-Agent is marked as API-available. The directly sourced provider records currently include xAI.
How much does Grok 4.20 Multi-Agent cost through an API?+
The lowest directly sourced prices currently attached to Grok 4.20 Multi-Agent are $1.25 per million input tokens through xAI and $2.50 per million output tokens through xAI. Prices are provider-specific and should be checked against each cited observation date.
What capabilities and tasks does Grok 4.20 Multi-Agent support?+
Grok 4.20 Multi-Agent's recorded capabilities are generation, reasoning, research, and tools. Its supported tasks are image, research, and text.
Can Grok 4.20 Multi-Agent be self-hosted?+
Grok 4.20 Multi-Agent is not marked as an open-weight model. Self-hosting is marked as unsupported, with no license recorded.
Does Grok 4.20 Multi-Agent have related versions or aliases?+
No predecessor is recorded. No successor is recorded. Recorded aliases are grok-4.20-multi-agent, grok-4.20-multi-agent-0309, grok-4.20-multi-agent-beta-0309, grok-4.20-multi-agent-beta-latest, grok-4.20-multi-agent-experimental-beta-0304, grok-4.20-multi-agent-experimental-beta-latest, and grok-4.20-multi-agent-latest.
Which models can Grok 4.20 Multi-Agent be compared with?+
The current compatible peer set includes Grok 4.6, Claude Fable 5, Claude Fable 5.1, Claude Mythos 5.1, and Claude Opus 5. Compatibility requires shared sourced modalities and tasks; it does not imply that one model is better. Browse model comparisons →
How current is the Model Markets record for Grok 4.20 Multi-Agent?+
Grok 4.20 Multi-Agent was last verified Aug 29, 2026 from xAI's primary source, “Grok 4.20 Multi-Agent | SpaceXAI Docs.” The evidence is classified as official fact.