Grok 4.20 run as a multi-agent ensemble, at the same list price. 2M context, vision, file input, reasoning.
Modalities
Text+Image → Text
Below release
Not established
Weights
Not published
Where it sits in the catalogue Kyma measures
Every number against every text model Kyma prices per token — a stated rule, not a chosen line-up.
$1.767
output $3.534
median $1.009 · best $0.0494
$3.534
per 1M tokens generated
median $3.528 · best $0.2164
94.1%
356 observations since 2026-08-01
median 93.2% · best 100.0%
324.4 tok/s
probe median, one fixed prompt
median 39.7 tok/s · best 324.4 tok/s
7.11 s
probe median, to a complete answer
median 2.54 s · best 0.86 s
2M
max output 8,192
published by xAI, not measured here
Tick above each rail is this model, below it the other 68. Dashed rule is the field median, solid is its best. Better is left; the axis stops at the 90th percentile, so a few models sit past its right edge.
Usage
How much this model is actually called here.
Rank
#35
of 98 active models
Tokens served
6.2M
all-time
Platform share
0.2%
of all tokens
Two clocks, and why they disagree
Kyma measures this model twice. Both are real; they answer different questions.
Probe · every 6h · 30 days
7.11s to answer
One fixed prompt, on a schedule, to every model. Comparable, because the model is the only thing that changes.
- Observations
- 356
- Answered by a substitute
- 1
Real traffic · last 7 days
5.90s to answer
Your requests, at the lengths clients actually send. Not comparable between models, but it is what running this one feels like.
- Requests
- 28
- Completed
- 100%
- p95
- 18.5 s
Production prompts here are shorter than the probe's. Use the probe figure to choose between models, the traffic figure to budget for your own.
Pricing
Pay per token. Cached input bills at this model’s own cached rate, listed below.
+ Estimate your workload− Estimate your workload
Estimated monthly cost
$159
$5.30 / day on Grok 4.20 Multi-Agent
Same workload on:
Estimates use list pricing. Actual bills depend on real token counts, and 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. Grok 4.20 Multi-Agent needs a top-up — the signup credit covers the free tier.
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?
Are the weights for Grok 4.20 Multi-Agent publicly available?
Is Grok 4.20 Multi-Agent ever served below the precision its creator released it at?
How do I use Grok 4.20 Multi-Agent?
More models by xAI
| Model | Context | Input | Output |
|---|---|---|---|
| 500K | $2.70 | $8.10 | |
| 500K | $2.73 | $8.189 | |
| 256K | $1.389 | $2.777 | |
| 1M | $1.92 | $3.838 | |
| 2M | $1.763 | $3.528 |