Estimated spend for typical coding and autonomous agent workloads based on published per-token rates:
Claude Opus 5 Thinking · 10M In + 2M Out—DeepSeek V4 Pro · 10M In + 2M Out—Billing ModelPrepaid · $0 Hard Stop
When to Route to Claude Opus 5 Thinking vs DeepSeek V4 Pro
Because Newton’s exposes both claude-opus-5-thinking and deepseek-v4-pro behind the same API key and base URL, engineering teams frequently combine both models in the same workflow:
Primary Planning & ArchitectureClaude Opus 5 Thinking (claude-opus-5-thinking)
High-Volume Execution & VerificationDeepSeek V4 Pro (deepseek-v4-pro)