Performance Benchmarks for DeepSeek-V4-Flash Preview (High)

Analyze how DeepSeek-V4-Flash Preview (High) stacks up against other frontier models in terms of cost-to-performance and raw intelligence (LMArena Elo).

2026 Performance Summary

🚀 Intelligence (Elo): 1439
💰 API Cost (Input): $9.1e-8 / 1M tokens
⚡ API Cost (Output): $1.82e-7 / 1M tokens
⏱️ Real-world Throughput: 53 tokens/s

Analysis: While DeepSeek-V4-Flash Preview (High) is a capable model, it is currently outperformed in efficiency by Kimi K3.1 Pro (Max). Kimi K3.1 Pro (Max) sits higher on the Pareto line, offering approximately 253 points more intelligence (Elo) for a comparable or lower API cost.

Highly Recommended Alternatives

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
Kimi K3.1 Pro (Max)	1692	$0.000002	27
DeepSeek-V4.1-Flash-20261017 (Max)	1665	$3e-7	198
MiniMax-M3.1-Flash	1589	$1.5e-7	183
GLM-5.3 (Max)	1481	$6.99e-8	121
DeepSeek-V4.1-Flash-20260910 (Max)	1476	$2e-8	140

*These models represent the Pareto Frontier (optimal cost-to-performance).*