Grok 4.20 run as a multi-agent ensemble, at the same list price. 2M context, vision, file input, reasoning.
Modalities
Text+Image → Text
Input
$1.688 /1M
Output
$3.375 /1M
Context
2M
Speed
slow
Pricing
Pay per token. Cached input is billed at 10% of the input rate.
+ Estimate your workload− Estimate your workload
Estimated monthly cost
$152
$5.06 / day on Grok 4.20 Multi-Agent
Same workload on:
Estimates use list pricing. Actual bills depend on real token counts — every response includes its exact cost.
How it compares
Against the peers people actually weigh it against.
Quick start
Up and running in under two minutes.
- 1
Create an API key
Sign up and grab a key from the dashboard — $0.50 free credit, no card required.
Get API key → - 2
Make your first request
Drop in your key and send a chat completion — fully OpenAI-compatible.
curl https://kymaapi.com/v1/chat/completions \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "model": "grok-4.20-multi-agent", "messages": [ {"role": "user", "content": "Explain prompt caching in one paragraph."} ] }' - 3
Stream responses
Add
"stream": trueto receive tokens as they arrive.curl https://kymaapi.com/v1/chat/completions \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "model": "grok-4.20-multi-agent", "stream": true, "messages": [{"role": "user", "content": "Hello!"}] }'
FAQ
Common questions about this model.
What is the context window of Grok 4.20 Multi-Agent?
How much does the Grok 4.20 Multi-Agent API cost?
Does Grok 4.20 Multi-Agent support function calling?
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More models by xAI
| Model | Context | Input | Output |
|---|---|---|---|
| 500K | $2.70 | $8.10 | |
| 256K | $1.389 | $2.777 | |
| 1M | $1.688 | $3.375 | |
| 2M | $1.688 | $3.375 |