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DeepSeek V4 Flash 0731 (Sference) vs Hy3

Hy3 is cheaper on output tokens, while DeepSeek V4 Flash 0731 (Sference) offers a larger context window. Choose DeepSeek V4 Flash 0731 (Sference) or Hy3 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecDeepSeek V4 Flash 0731 (Sference)Hy3
ProviderEden AITencent
Input / 1M tokens$0.28$0.13
Output / 1M tokens$0.56$0.53
Context window1M262K
Parameters——
Open weightsYes—
ReleasedJul 2026—
LMArena (Chatbot Arena) Elo score—1438
LMArena WebDev Elo score—1507

FAQ

Is DeepSeek V4 Flash 0731 (Sference) or Hy3 cheaper?

Hy3 is cheaper on output tokens ($0.53 vs $0.56 per 1M).

Which has the larger context window, DeepSeek V4 Flash 0731 (Sference) or Hy3?

DeepSeek V4 Flash 0731 (Sference) has the larger context window (1M tokens).

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.