Grok 4.20 Multi-Agent pricing and routing profile
Grok 4.20 Multi-Agent from xAI lists at $1.25 per million input tokens and $2.50 per million output tokens, with a 2,000,000-token context window. Prices from OpenRouter's catalogue on 2026-09-28.
Structured outputReasoning controlLog probabilities
Cost per 1,000 requests
| Request shape | List cost |
|---|---|
| Classification or routing (600 tokens in, 10 out) | $0.775 |
| Chat reply (2,000 in, 400 out) | $3.50 |
| Retrieval-augmented answer (8,000 in, 500 out) | $11.25 |
Before prompt caching. Try your own shape in the cost calculator.
Can Gimbix route to it first?
Yes. At least one host return token log probabilities for Grok 4.20 Multi-Agent, which is the confidence signal Gimbix uses to let a cheaper model answer first.
Cheaper models that can answer first
Models priced below Grok 4.20 Multi-Agent that expose a confidence signal. Whether they answer your traffic as well is what a Gimbix pilot measures.
| Model | Input / output per 1M | Cheaper on a chat reply |
|---|---|---|
| Grok Build 0.1 | $1.00 / $2.00 | 20% |
| DeepSeek V4 Pro 0423 | $0.955 / $1.91 | 24% |
| Morph V3 Large | $0.90 / $1.90 | 27% |
| Kimi K2 Thinking | $0.60 / $2.50 | 37% |
| GPT Audio Mini | $0.60 / $2.40 | 38% |
| GLM 5.2 | $0.65 / $2.04 | 40% |
Questions
How much does Grok 4.20 Multi-Agent cost?
Grok 4.20 Multi-Agent lists at $1.25 per million input tokens and $2.50 per million output tokens on OpenRouter as of 2026-09-28. A typical chat reply of 2,000 input and 400 output tokens costs about $3.50 per 1,000 requests.
What is the context window of Grok 4.20 Multi-Agent?
2,000,000 tokens.
Can a cheaper model replace Grok 4.20 Multi-Agent?
Sometimes. Gimbix proves it on your own traffic before routing: the cheaper model must match Grok 4.20 Multi-Agent on one half of your requests and make at most three answers worse on the other.