Wei-Lin Chiang
@infwinston
Co-founder & CTO @Arena, PhD in AI & systems @UCBerkeley
Joined February 2012
967 Following 5.7K Followers
DeepSeek-v4-Flash on the cost-performance frontier for agentic tasks.
DeepSeek-V4-Flash (High) by @deepseek_ai has reshaped the cost-performance Pareto frontier in Agent Arena, with a $0.024 median cost per task!
It lands to the right of GPT-5.6 Luna (xHigh) which has a $0.026 median cost per task, and to the left of DeepSeek-V4-Pro (Thinking) at $0.020. It's the model that delivers a positive net improvement at the lowest price point on the chart.
Price per task is based on real-world Agent Mode usage. We calculate each task’s cost from tokens consumed and the model’s pricing, including cache hits and misses.
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