GPT-6 Astra vs GPT-6 Sol
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
GPT-6 Sol
Intelligence
56.9
44.2
Engineering
61.8
48.9
Legal
55.6
46.3
Finance
57.4
47.5
Healthcare
53.7
45.1
Economics
57.2
47.7
Strategy & Ops
58
52.1
Context window
1,050,000
1,050,000
Output price
$50/1M
$10/1M
Input price
$10/1M
$2/1M
Speed (t/s)
47
127
Knowledge cutoff
2026-04-30
2026-04-20
Open weights
No
No
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