Estimated spend for typical coding and autonomous agent workloads based on published per-token rates:
Grok 4.20 Non Reasoning · 10M In + 2M Out—DeepSeek V4 Pro · 10M In + 2M Out—Billing ModelPrepaid · $0 Hard Stop
When to Route to Grok 4.20 Non Reasoning vs DeepSeek V4 Pro
Because Newton’s exposes both grok-4.20-non-reasoning and deepseek-v4-pro behind the same API key and base URL, engineering teams frequently combine both models in the same workflow:
Primary Planning & ArchitectureGrok 4.20 Non Reasoning (grok-4.20-non-reasoning)
High-Volume Execution & VerificationDeepSeek V4 Pro (deepseek-v4-pro)