Last refreshed 2026-07-10. Next refresh: weekly.
Why use Grok 4.20 Multi-Agent on OpenRouter?
OpenRouter offers Grok 4.20 Multi-Agent with pay-as-you-go pricing at $2.00/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.
Compare Grok 4.20 Multi-Agent across 3 providers to find the best fit for your use caseInput / 1M
$2.00
Output / 1M
$6.00
Cache
Not sourced
Batch
Not sourced
Setup recipe
Docs fallbackInstall
Use the provider REST API or SDKAuth
Create a provider API keyCall
model: x-ai/grok-4.20-multi-agentModel ID
x-ai/grok-4.20-multi-agentRequest example
Curated snippets for this provider are not sourced yet. Use OpenRouter documentation with model ID
x-ai/grok-4.20-multi-agent.Gotchas
- Use provider model ID "x-ai/grok-4.20-multi-agent", not the LLMReference slug "grok-4.20-multi-agent".
Compare Grok 4.20 Multi-Agent Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| OpenRouter | $2.00 | $6.00 |
| xAI Console | $1.25 | $2.50 |
| Vercel AI Gateway | $1.25 | $2.50 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $2.00 |
| Output tokens | $6.00 |
Capabilities
VisionMultimodalReasoningJSON / Tool useStructured Outputs
About Grok 4.20 Multi-Agent
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.
Get Started
Model Specs
Released2026-03-10
Context1m
Knowledge cutoff2024-11