Claude Haiku 5.5

Intelligence

160.4 ECI

90% range: 157.33 to 163.84 on the Epoch Capabilities Index.

Price per million tokens

Input

$0.10

Output

$0.50

Cached input

$0.01

Blended

$0.20

From the lab's price page, checked 2026-11-01.

On our coding tasks

Mean cost per task

$0.0078 at list price

Mean output tokens

5,226

Time per task

36.1 s median

Included tasks passed

19 of 19

Interrupted attempts excluded

0

Run with

Claude Code headless, effort high, 2026-11-01

Historical plan observations

No historical plan observation is linked to this model.

Historical observations do not establish current-tier allowances. Allowance dates, ranges and assumptions.