SpaceXAI: Grok 4.20 Multi-Agent
Listed on OpenRouter as x-ai/grok-4.20-multi-agent since Apr 1, 2026. 98 snapshot observations, 1 repricing. All-time low
$1.56per 1M blended · $1.25 in / $2.50 out
USD per 1M tokens · blended at 3 input : 1 output · at this price for 99 days (since Jul 2, 2026)
All-time low$1.56Jul 2, 2026
All-time high$3.00Apr 1, 2026
Change since first seen-47.9%$3.00 on Apr 1, 2026
Listed price over time
| Observed | Input | Output | Blended | Change |
|---|---|---|---|---|
| Jul 2, 2026 | $1.25 | $2.50 | $1.56 | -47.9% |
| Apr 1, 2026 | $2.00 | $6.00 | $3.00 | first observation |
Where it is listed today
Current listed rates across the sources LLMPI compares. The cheapest blended row is highlighted; lower price never implies identical terms, speed, or quality.
| Source | Input | Output | Blended | Listing ID |
|---|---|---|---|---|
| OpenRouter Pricing evidence | $1.25 | $2.50 | $1.56 | x-ai/grok-4.20-multi-agent |
Evidence and scope
- Source
- OpenRouter public model listing
- Archive
- Wayback Machine snapshots of that listing (weekly-grade, from July 2023) plus LLMPI's own daily snapshots since June 2026
- Last observed
- Oct 9, 2026
- Data
- history.json (CC BY 4.0)
This is the listed standard text-token rate for one OpenRouter listing ID. It does not normalize caching, batch discounts, long-context tiers, providers behind the listing, or model quality. A price can also move because OpenRouter's default route changed provider.