Sonnet 5.5 High

Intelligence Index

Index

56.0

Cost per task

$7.7

Source

Artificial Analysis model page

Coding-agent observations

Canonical ID

anthropic/claude-sonnet-5.5

Release date

Official date pending verification · researched Oct 5, 2026

Gateway ID

Not in the verified Gateway catalog · catalog checked Aug 26, 2026

Profile

high

Agent harness

• Claude Code

Snapshot

Artificial Analysis · Oct 5, 2026, 2:10 PM UTC

Values are observed ranges across the named model, agent harness, and profile in the current source snapshot. aicharts does not average unlike configurations.