modelbenchmark.io

Claude Sonnet 5.5

Anthropic · claude-sonnet-5-5-default

Compare

Fast Claude model for everyday coding, agents, and knowledge work

Specification

most-agreed values

Context
1M
Max output
128K
Released
2026-09-28
Knowledge cutoff
2026-06
Retires
—
Open weights
no
Input
text, image, pdf
Output
text

Price

US dollars per million tokens · most-agreed

Input
$2.00
Output
$10.00
Cache read
$0.20
Cache write
$2.50

Batch and priority prices

US dollars per million tokens · per listing

PriceListing$/M
Batch inputvertex_ai-anthropic_models$1.00
Batch outputvertex_ai-anthropic_models$5.00
Cache write, 1 hourvertex_ai-anthropic_models$4.00

Batch input is 50% below the interactive input price at the same listing.

Available from 3 hosts

HostIn $/MOut $/MCache rdCache wrContextOutputRetires
google-vertex$2.00$10.00$0.20$2.501M128K—
google-vertex-anthropic$2.00$10.00$0.20$2.501M128K—
vertex_ai-anthropic_models$2.00$10.00$0.20$2.501M128K—

More from Anthropic

most-hosted first