GPT-6 Astra vs Grok 4.20 (Non-Reasoning)
Which is the better AI model in 2026? Here's how they compare.
Capability profile
Artificial Analysis indices (0–100). Missing dimensions show as 0.
Head to head
GPT-6 Astra
Grok 4.20 (Non-Reasoning)
Intelligence
52.7
—
Coding
76.9
—
Math
—
—
Context window
1,050,000
1,000,000
Output price
$50/1M
$2.5/1M
Input price
$10/1M
$1.25/1M
Speed (t/s)
63
—
Knowledge cutoff
2026-04-30
—
Open weights
No
No
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