Ways to buy 4
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
 xAI APIThe lab's own API · cached $0.2 | $1.25 | $2.5 | $1.25 / $2.5List price | $0.2 | List price |
| xAI zdr · cached $0.2 | $1.25 | $2.5 | $1.25 / $2.5Same as list | $0.2 | Same as list |
| xAI priority · cached $0.4 | $2.5 | $5 | $2.5 / $5+100% vs list | $0.4 | +100% vs list |
| xAI zdr-priority · cached $0.4 | $2.5 | $5 | $2.5 / $5+100% vs list | $0.4 | +100% vs list |
USD per 1M tokens. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $175.00 direct.
Helicone$175.00+0%
Kong AI Gateway$175.00+0%
LiteLLM$175.00+0%
Vercel AI Gateway$175.00+0%
Cloudflare AI Gateway$183.75+5%
Requesty$183.75+5%
Eden AI$184.63+5.5%
OpenRouter$184.63+5.5%
No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.
Related models
| In / out per 1M | Cheapest route | ||||||
|---|---|---|---|---|---|---|---|
| Grok 4.7 xAI · 500K | $1.6 | $4.8 | $1.6 / $4.8 | $2.4 | 500K | Lab list price | · |
| Grok 4.6 xAI · 500K | $2 | $6 | $2 / $6 | $3 | 500K | Lab list price | · |
| Grok 4.5 xAI · 500K | $2 | $6 | $2 / $6 | $3 | 500K | Lab list price | · |
| Grok Build 0.1 xAI · 256K | $1 | $2 | $1 / $2 | $1.25 | 256K | Lab list price | · |
 Muse Spark 1.3Meta · 1M | $1.25 | $4.25 | $1.25 / $4.25 | $2 | 1M | Lab list price | · |
 Gemini 3.8 FlashGoogle · 1MCheapest: $0.75 on Google Gemini API (flex) | $0.75 | $3.75 | $0.75 / $3.75 | $1.5 | 1M | $0.75 on Google Gemini API (flex) | · |
| Muse Spark 1.1 Meta · 1M | $1.25 | $4.25 | $1.25 / $4.25 | $2 | 1M | Lab list price | · |
 Qwen3.8 Max (0902)Qwen (Alibaba) · 1M | $2 | $6 | $2 / $6 | $3 | 1M | Lab list price | · |
About Grok 4.20 Multi-Agent
Grok 4.20 Multi-Agent is a variant of SpaceXAI’s Grok 4.20 designed for collaborative, agent-based workflows.
Takes text, image, files in and returns text. First listed Apr 1, 2026. Up to 1.8M output tokens. Blended price $1.56 per 1M tokens at 3 input to 1 output. Model id grok-4-20-multi-agent.
Price history
List price since Apr 1, 2026, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.
| Seen | Model | Old price | New price | Change |
|---|---|---|---|---|
| Jun 16, 2026 | Grok 4.20 Multi-AgentInput $2 to $1.25, Output $6 to $2.5 | Input $2Output $6 | Input $1.25Output $2.5 | -37% |
Across fru.devCompany profile2 acquisitions
Questions
How much does Grok 4.20 Multi-Agent cost?
$1.25 per million input tokens and $2.5 per million output tokens, with cached input at $0.2.
What is the context window of Grok 4.20 Multi-Agent?
2M tokens, with up to 1.8M tokens of output.
Where is Grok 4.20 Multi-Agent cheapest?
Of 4 routes tracked, xAI is cheapest at $1.25 input and $2.5 output per million tokens.
Has Grok 4.20 Multi-Agent's price changed?
Yes. The output price went from $6 to $2.5, first seen Jun 16, 2026.
List prices from providers' pages on the date shown; your contract may differ. Logos via logo.dev; trademarks belong to their owners.