Grok 4.20 Multi-Agent
xAI · Proprietary · Released Mar 31, 2026 · x-ai/grok-4.20-multi-agent
Best $1.25 in / $2.50 out via xAI
2M contextVisionReasoningStructured outputPrompt caching
Available from 4 providersUSD / MTOK · PRICES 23 MINUTES AGO · SPEED 2 DAYS AGO
EST. MONTHLY COSTclick a row for detail · click headers to sort
| PROVIDER | INPUT | OUTPUT | CACHE | CONTEXT | QUANT | TTFT | TPS | UPTIME |
|---|---|---|---|---|---|---|---|---|
 xAI1ST PARTY | $1.25 | $2.50 | $0.20 | 2M | — | ✕ | ✕ | 0.0% |
| xAI1ST PARTY | $1.25 | $2.50 | $0.20 | 2M | — | — | — | 33.3% |
| xAIPRIORITY1ST PARTY | $2.50 | $5.00 | $0.40 | 2M | — | — | — | — |
| xAIPRIORITY1ST PARTY | $2.50 | $5.00 | $0.40 | 2M | — | — | — | — |
TTFT/TPS: median (P50) over trailing 504h · chat10k profile (~10K in / 200 out) · measured via OpenRouter routing · ✕ = probed, endpoint returned no measurable stream · methodology v1.1 · measured 2 days ago
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Pricing variants · USD / MTok in / out
STANDARD
$1.25 / $2.50
per MTok in / out
CACHE READ $0.20WEB SEARCH $0.005 / search
About
Grok 4.20 Multi-Agent is a variant of SpaceXAI’s Grok 4.20 designed for collaborative, agent-based workflows. Multiple agents operate in parallel to conduct deep research, coordinate tool use, and synthesize information...
Specifications
Context window2,000,000
Max output1,800,000
Modalities intext, image, file
Modalities outtext
LicenseProprietary
ReleasedMar 31, 2026
Knowledge cutoff2025-09-01
TokenizerGrok
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[](https://modelindex.ai/models/x-ai/grok-4.20-multi-agent)Sources
OpenRouter API23 minutes ago
AGGREGATORModelIndex benchmarks2 days ago
MEASUREDVerified 23 minutes ago · list prices, not negotiated rates.