The Goldilocks of frontier AI — near-Opus intelligence at one-fifth the cost. Sonnet 4.6 is the default Claude model for good reason: it matches or beats last-gen flagships while staying affordable for production. Full agent toolkit with MCP and computer use included.
“The model that makes Opus-class intelligence affordable for production.”
Best for Series A+ SaaS companies and any team using Claude Code. The obvious default for most production workloads.
Training data policy: API data NOT used for training by default
DPDP Act (India): Data processed in US. No India data center. Compliant via DPA.
Data residency: US
Available. API accessible from India. Payments via international card. Also on AWS Bedrock (Mumbai).