DeepSeek-V4-Pro Launches with Major Agent Upgrades and Flexible Reasoning
cedric_chee · x · 2026-08-13
DeepSeek has officially announced the launch of DeepSeek-V4-Pro, introducing several major updates:
- Agent Upgrades: Significant production-ready improvements for Agent capabilities.
- Flexible Reasoning Effort: Both V4-Pro and V4-Flash allow adjustable reasoning effort (low for simple tasks, high for daily Agent workflows, max for complex tasks).
- API Support: Native OpenAI Responses API support, optimized for Codex with one-click setup.
V4 Pro is now available on app/web via “Expert Mode” and accessible via API.
Related event: DeepSeek launches V4-Pro with peak pricing, API price hike sparks debate(62 posts)→
More from Models
- GLM 5.5 rumored to drop soon, coding ability expected to match frontier models — bindureddy · 2026-10-16
- Five rounds of adversarial prompting make Opus 5.5 and Argon converge on identical output — LanceCharger · 2026-10-16
- DIY benchmark ranks 18 models on subjective judgments, GLM-5.3 tops consensus match — arkuto · 2026-10-16
- Bindu Reddy: Google's Argon excels at complex doc writing at half the cost of Opus — bindureddy · 2026-10-16
- MAI-2 is 2x bigger than V4-Pro while V4.1F is 3x smaller: Microsoft's scaling ladder questioned — teortaxesTex · 2026-10-16
- Step 5 Preview hits DeepInfra day-zero: 600B MoE, 1M context, $1/M input tokens — StepFun_ai · 2026-10-16