Where It Runs
Agentforce Vibes 2.0 ships with Claude Sonnet 4.5 as default LLM for developer assistance. Enterprises running BYO LLM on Anthropic API integrate Sonnet 4.5 directly into CRM agents, workflows, customer service.
Why Sonnet 4.5
Strong reasoning for complex multi-step tasks. Excellent tool-use reliability. Anthropic positions it as capable of building software and accomplishing business tasks autonomously. For agent orchestration, these matter more than raw generation speed.
Enterprise Tier Fit
Anthropic’s Team and Enterprise tiers cover licensed Claude usage. Production apps use API with the same underlying model. Many enterprises maintain both — interactive Team subscriptions plus API integration — for complete coverage.
Practitioner Takeaway
Evaluate Sonnet 4.5 for your agent reasoning layer. Compare head-to-head with GPT-5, Salesforce native models, and open-source alternatives on your specific workloads. Defaults are starting points; tune per use case.