DeepSeek 发布 V4-Pro 正式版与 Harness，API 涨价
DeepSeek 一口气发了 V4-Pro 和可插拔的 Harness，还涨了 API 价，缓存命中输入暴增 12 倍，用之前看清楚价目表。
DeepSeek 发布 V4-Pro 正式版，性能超过 Opus-4.8，接近 Fable 5。
同时推出 Harness 插件系统，将计划模式、子 Agent、权限审批、MCP 等拆成可更换插件，Agent 主循环也可自定义。API 自 8 月 17 日零点起调整价格，采用峰谷两档，缓存命中输入价上涨 12 倍，输出价上涨 4.
5 倍。
DeepSeek 一天公布三件大事： DeepSeek-V4-Pro 正式版：性能超过 Opus-4.8，接近 Fable 5 DeepSeek Harness：把计划模式、子 Agent、权限审批、MCP ...全做成了能拆能换的插件，连 Agent 的主循环本身也是。 DeepSeek API 全面涨价：8 月 17 日零点起改成峰谷两个价，缓存命中的输入价涨 12 倍，输出涨 4.5 倍。 best.xiaohu.ai/article/deepse…📊 5 ⚡
This report is categorized under AITOP's "Models" desk, focusing on China's AI industry and domestic foundation model ecosystem. Within our cross-regional analytical framework, it directly maps to AI developer toolchains, coding agents, and engineering workflows and US-China foundation model benchmarks and commercialization comparison. Key entities and technical topics under continuous tracking include DeepSeek, DeepSeek-V4-Pro, DeepSeek Harness, MCP and tools.
Source attribution: curated from 小互 (@imxiaohu). Cross-source corroboration: 11 independent sources have covered this development (including IT之家, 爱范儿, lmarena.ai), confirming industry-wide signal strength.
