Arena.ai(@arena):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.

2026.08.05 01:02

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.