Grok 4.20 0309 v2 (Reasoning)+1 tiers
Grok 4.20 0309 v2 (Reasoning) is developed by SpaceXAI, released 2026-04-07.
Reasoning-effort tiers merged. This page shows the
highest-intelligence tier. It merges 2 tiers of the same model:
Grok 4.20 0309 v2 (Reasoning), Grok 4.20 0309 v2 (Non-reasoning).
Input price
$1.25 / 1M tok
Output price
$2.50 / 1M tok
Blended price
$1.563 / 1M tok
Intelligence
25.7
84th percentile of 554 models with an Intelligence score
Coding
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Math
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Speed
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Time to first token
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Official pricing from SpaceXAI.
Multi-gateway price comparison (OpenRouter, Together, etc.) is coming soon — not live yet.
See all of SpaceXAI's models on its provider page, or browse the full model directory.