Claude Haiku 5.5

75% CHEAPER

Released Oct 7, 2026; fastest Claude to date at $0.10/$0.50 per 1M tokens for prompts up to 100K, scoring 39.2% on Terminal-Bench 4.0.

Context

1,000,000 tokens

Architecture

Undisclosed (Anthropic)

Official API (1M)

$0.1 in / $0.5 out

License

Proprietary API

Published benchmarks · lab-reported

Vendor-published figures, not independently reproduced. Sources in Verification below.

TERMINAL-BENCH

39.2%

Quickstart

curl -s https://modelregistry.tirup.in/api/cli?model=claude-haiku-5-5