Grok 4.20 Multi-Agent
Grok 4.20 Multi-Agent is worth evaluating for rag, agents, and long context when its provider route and context window match the workload.
Use it for
- Teams evaluating rag, agents, and long context
- Workloads that can use a 1m context window
- Buyers comparing 3 tracked provider routes
Do not use it for
- Workloads where another current model has stronger sourced task evidence
- Family
- Grok 4
- Released
- 2026-03-10
- Context
- 1m
- Knowledge cutoff
- 2024-11
- Specialization
- agentic
- Openness
- Proprietary
- License
- ProprietaryCommercial use: conditional
- Weights
- Not released
- Code
- Unknown
Cheapest of 3 routes · Vercel AI Gateway · cache read $0.200
About
Grok 4.20 Multi-Agent is xAI's current API variant, served as grok-4.20-multi-agent-0309. Its reasoning.effort parameter controls collaborating-agent count. xAI's public pricing page lists a 1M-token context window.
Grok 4.20 Multi-Agent is a proprietary model in the Grok 4 family. The structured metadata tracks a 1m-token context window, multimodal input, reasoning, function calling, tool use, and structured outputs. This page tracks provider routes through OpenRouter, xAI Console, and Vercel AI Gateway, with the cheapest tracked route listed at $1.25 input and $2.5 output per 1M tokens. No headline benchmark score is tracked for Grok 4.20 Multi-Agent yet.
Top use-case fit: coding, agents, and build tasks
RAG
Included by capability and metadata signals in the decision map.
Agents
Included by capability and metadata signals in the decision map.
Long context
Included by capability and metadata signals in the decision map.
Provider price ladder
Compare all 3Compare API pricing across 3 providers for input and output tokens, batch, and cached reads when available.
| Provider | Input / 1M | Output / 1M | Batch in / out | Cache | Route |
|---|---|---|---|---|---|
| Vercel AI Gateway | $1.25 | $2.50 | - | read $0.200 | Serverless |
| xAI Console | $1.25 | $2.50 | $1.00 / $2.00 | read $0.200 | Serverless |
| OpenRouter | $2.00 | $6.00 | - | - | Serverless |
Available via routers & gateways(1)
Capabilities
Benchmark peer barsfor RAG
No task-mapped benchmark peers are available for this model yet.
Migration checks
No linked migration route is available for this model yet.
Compare Grok 4.20 Multi-Agent with other models
Frequently asked questions
What is the context window of Grok 4.20 Multi-Agent?
Grok 4.20 Multi-Agent has a context window of 1m tokens.
How much does Grok 4.20 Multi-Agent cost?
Grok 4.20 Multi-Agent pricing ranges from $1.25/1M to $2/1M input tokens depending on the provider.
When was Grok 4.20 Multi-Agent released?
Grok 4.20 Multi-Agent was released on 2026-03-10.
Which providers offer Grok 4.20 Multi-Agent?
Grok 4.20 Multi-Agent is available from 3 providers: OpenRouter, xAI Console, Vercel AI Gateway.
Cheapest of 3 routes · Vercel AI Gateway · cache read $0.200