Flagship on a new larger base model, trained with longer RL on multi-hour tasks; 500K context, text-only output.
Released
Sep 21, 2026
Context window
500K tokens
Max output
Not disclosed
Parameters
Not disclosed
Input price
$2.00 per 1M
Output price
$6.00 per 1M
Prices are first-party list prices in USD at the standard tier. Last verified Oct 30, 2026.
Pricing
Launch priceSep 21, 2026
$2.00 in / $6.00 out
Current price
since Sep 21, 2026
$2.00 in / $6.00 out
Cached input $0.50 per 1M