Claude Sonnet 5

Name: Frontier AI Models Specification Registry
Creator: ModelRegistry Open Source Contributors
License: https://opensource.org/licenses/MIT

PRODUCTION DEFAULT

The recommended default for coding, writing, and production agents; top tool-call reliability for structured workflows.

Context

1,000,000 tokens

Architecture

Dense Frontier

Official API (1M)

$3 in / $15 out

License

Proprietary API

Quickstart

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

API DOCS

BACK TO LEDGER

Sources

Claude Sonnet 5 API reference · Anthropic

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