AgentsAugust 13, 2026via The Decoder
Deepseek ships improved V4 Pro, open-sources its agent software, and raises API prices
Why it matters
DeepSeek is simultaneously democratizing agent tooling (MIT-licensed Harness) and recalibrating pricing to favor real-time inference over cached reads—a signal that agent workloads are mature enough to merit their own pricing tier.
Key signals
- DeepSeek V4-Pro exits testing phase and reaches GA
- Harness v0.1 agent software released under MIT license
- API cache-hit pricing increases 6x
- Cache-hit increases are the largest price jump in the transition
- Pricing change targets agent workflows with repeated file reads
The hook
DeepSeek open-sources agent software while tripling cache-hit costs—a shift that rewires economics for agentic workflows.
Deepseek has moved its flagship V4-Pro out of the testing phase and released its agent software, Harness v0.1, under the MIT license. API prices are going up at the same time, with cache hits jumping to six times their current cost. For agent workflows that repeatedly read the same files, that's the…