Compare two models
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
Claude Fable 5.2 is Anthropic's most capable model for the most demanding technical work, with gains over Fable 5.1 in coding, reasoning, and vision. In prerelease testing it completed otherwise-infeasible...
OpenAI's frontier model for complex professional workloads. 1M token context, text + image input, native computer use.
I/O price /1M
$4.00/$20.00
$5.00/$30.00
Input /1M
$4.00
$5.00
Output /1M
$20.00
$30.00
Cached in /1M
$0.1
$0.5
Context
1M
1M
Δ input since launch
—
—
Δ output since launch
—
—
Released
Nov 2026
Apr 2026
Status
—
—
Provider
Anthropic
OpenAI