Grok 4.3 (High)+3 tiers

Grok 4.3 (High) is developed by SpaceXAI, released 2026-04-30.

Reasoning-effort tiers merged. This page shows the highest-intelligence tier. It merges 4 tiers of the same model: Grok 4.3 (High), Grok 4.3 (Medium), Grok 4.3 (Low), Grok 4.3 (Non-reasoning).
Input price
$1.25 / 1M tok
Output price
$2.50 / 1M tok
Blended price
$1.563 / 1M tok
Intelligence
24.9
82nd percentile of 554 models with an Intelligence score
Coding
42.2
56th percentile of 194 models with a Coding score
Math
—
Speed
—
Time to first token
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Third-party resale listings

Captured 2026-10-20 from the reseller marketplace subrouter.ai's public pricing list. These are third-party resale prices, not SpaceXAI's official price. Many resellers use shared/subscription access or reverse-engineered integrations — availability and quality are not verified by this site. Prices are USD per 1M tokens. Reseller names are the marketplace's own listing IDs, not company names — none of them is SpaceXAI or any other model developer.

2 resellers passed our sanity checks against SpaceXAI's official price; cheapest trusted price $0.5294/1M blended.

Reseller (marketplace ID)Input $/1MOutput $/1MBlended $/1Mvs. official
newtoken 0.3529 1.0588 0.5294 34%
xcgx 0.75 1.50 0.9375 60%

Resale listings: subrouter.ai public marketplace snapshot 2026-10-20.

Official pricing from SpaceXAI. See the third-party resale listings above for reseller prices — those are not official and not verified by this site.

See all of SpaceXAI's models on its provider page, or browse the full model directory.