Grok 3 Mini High
SpaceXSI
Key facts · verified Oct 29, 2026
Grok 3 Mini High is a SpaceXSI model. Its API price is $0.25 per million input tokens and $1.27 per million output tokens (as listed by arena.ai; not on xAI's current pricing page). It ranks #207 on LMArena's text leaderboard (Elo 1364, read 1 Nov 2026). Source: docs.x.ai.
Grok 3 Mini High is the high-reasoning setting of SpaceXSI's Grok 3 Mini, a model that does not appear on xAI's current API models page, which lists Grok 4.20 through Grok 4.7. LMArena listed it at $0.25 per million input tokens and $1.27 per million output tokens. On LMArena's text leaderboard: 1364 Elo (rank 207, high effort).
Pricing & specs checkedSource: vendor documentation · checked Oct 29, 2026LMArena: 1364 Elo (rank 207, high effort) · source · retrieved Nov 1, 2026
Pricing
$0.25 / $1.27 per million tokens
Context
Not published
LMArena Elo
LMArena rank
Full Specifications
$0.25 / $1.27 per million tokens | |
|---|---|
| Identity | |
| Developer | SpaceXSI |
| Status | Not listed on xAI's API models and pricing page as of 13 October 2026; the listed price is not a current xAI API price. |
| Licence | Proprietary |
| Self-hostable | No |
| Cost | |
| Blended $/1M tokensinput × 0.75 + output × 0.25 | $0.505 / 1M tokens |
| Input price | $0.250 / 1M tokens |
| Output price | $1.270 / 1M tokens |
| Measured quality | |
| LMArena Elo | 1364 (checked Nov 2026) |
| LMArena rank | Rank 207 |
| Elo per dollarLMArena Elo ÷ blended $/1M tokens | 2701 |