DeepSeek-V4-Pro Thinking Levels and Tool-Calling Workflow
V4-Pro enables thinking by default and uses high as the default effort level; use low for simple tasks, high for day-to-day Agents, and max for complex tasks, and pass the complete `reasoning_content` back on every round of a tool call.
DeepSeek-V4-Pro Responses Configuration Workflow in Codex
DeepSeek-V4-Pro can be connected to the Codex CLI, the ChatGPT desktop app, and the VS Code extension through the native Responses API; a single configuration is shared across them, but you should back up and validate `config.toml`/`models.json` first.
DeepSeek-V4-Pro Official Release: Reasoning and Agent Upgrades
V4 Pro 0813 GA announcement dated 2026-08-13; effort, Responses API and Codex positioning; pricing effective 2026-08-16; no unified benchmark or sample.
Evidence
Vendor report
Boundary
does not treat announcement language as win rate, latency, or reliability
DeepSeek-V4-Pro-0813: MindStudio's Eight-Task Coding and Agent Hands-on Comparison
V4 Pro 0813, MindStudio eight-task test on 2026-08-13; 61/80 (76.25%), frontend/planning/math/long-horizon; full prompts, repeats and blind review undisclosed.
Evidence
Editorial analysis
Boundary
does not generalize eight tasks to all repositories, visual tasks, or production Agents