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Select any two models. Input, output, cached, and context rarely move together — the cheaper model on one line isn't always the cheaper one on the next.
Description
A 671-billion-parameter mixture-of-experts language model with 37 billion activated parameters, released in late 2025 as an incremental update to the V3 line.
OpenAI's frontier model for complex professional workloads. 1M token context, text + image input, native computer use.
I/O price /1M
$0.28/$0.42
$5.00/$30.00
Input /1M
$0.28
$5.00
Output /1M
$0.42
$30.00
Cached in /1M
$0.028
$0.5
Context
131K
1M
Δ input since launch
increased 22.4%
—
Δ output since launch
increased 22.4%
—
Released
Dec 2025
Apr 2026
Status
—
—
Provider
DeepSeek
OpenAI