GPT-6 Astra vs Kimi K3
Which is the better AI model in 2026? Here's how they compare.
Domain intelligence profile
Artificial Analysis Intelligence Index by domain (0–100). Missing dimensions show as 0.
Head to head
GPT-6 Astra
Kimi K3
Intelligence
56.9
17.4
Engineering
61.8
22.8
Legal
55.6
27.7
Finance
57.4
28.3
Healthcare
53.7
29.2
Economics
57.2
27.7
Strategy & Ops
58
37
Context window
1,050,000
1,048,576
Output price
$50/1M
$15/1M
Input price
$10/1M
$3/1M
Speed (t/s)
47
45
Knowledge cutoff
2026-04-30
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Open weights
No
Yes
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