Grok 4.20 Multi-Agent
Model overview
grok-4.20-multi-agent-0309
xAI's beta multi-agent orchestration model available through the Responses API.
general LLMreasoningcodingvision-languagelong contextagentsoftware engineering agentdeep researchenterprise access
Representative version
grok-4.20-multi-agent-0309
| Company | xAI |
|---|---|
| Release | 2026-03-10 |
| Release type | Preview release |
| Parameters | Not disclosed |
| Architecture | Not disclosed |
| Context | 1,000,000 |
| Input modalities | text / image |
| Output modalities | text / tool_call |
| Tool use / function calling | Confirmed: Tool use; Not shown: Function calling |
| Structured output / reasoning | Confirmed: Reasoning |
| Vision / audio / video | Confirmed: Vision |
| Open weights / License | No open weights currently / weight license not disclosed xai-grok-4-20-multi-agent-current · License not applicable |
| Vendor API | Available xAI multi-agent documentationxai-grok-4-20-multi-agent-current · 2026-03-10 |
| OpenRouter | Not separately listed on OpenRouter |
| Pricing | Official pricing page |
| Benchmark | No reliable public source |
| Public signals | No reliable public source |
| Use cases | Multi-agent research / Complex planning / Agent orchestration / software engineering agent |
| Claim evidence | Release event / Model specificationsxAI multi-agent documentationgrok-4.20-multi-agent-0309 · 2026-03-10 · Grok 4.20 Multi-Agent · grok-4.20-multi-agent-0309 |
OpenRouter
Pricing / context / availability
| OpenRouter | Not separately listed on OpenRouter |
|---|---|
| OpenRouter listing | Not separately listed in the current OpenRouter public list |
| Mapped version | grok-4.20-multi-agent-0309 xai-grok-4-20-multi-agent-current |
| Pricing | Official pricing page |
| Context | 1000000 |
| Speed/Latency | No reliable public source |
| Snapshot time | 2026-08-11T06:28:09.895Z |
| Source | View source |
Verified limitations
Usage boundaries
- Beta service; Responses API only, without Chat Completions or client-defined custom tools.
Missing public information
Public information not yet available
Parameter scale not disclosedNot listed on OpenRouterNo reliable benchmark sourceNo public model-card activity countersNo linkable model-specific reviewSpeed/latency not disclosed