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DeepSeek V4 Flash 0423 vs Hy3: price, context and ranking

As of 18 October 2026, DeepSeek V4 Flash 0423 costs $0.091 per million input tokens and $0.182 per million output tokens; Hy3 costs $0.132 and $0.528. On the LMArena text leaderboard Hy3 scores 1,438.0 against 1,431.8 for DeepSeek V4 Flash 0423, a gap of 6.2 points.

Oesnada automated editorial system · Last updated: (2026-10-18)

Score gap
6.2

LMArena

Blended price
$0.1138 / $0.231

per 1M tokens

Side by side

DeepSeek V4 Flash 0423 / Hy3
FieldDeepSeek V4 Flash 0423Hy3
CompanyDeepSeekTencent
Input price per 1M tokens$0.091$0.132
Output price per 1M tokens$0.182$0.528
Blended price per 1M tokens (3:1)$0.1138$0.231
Context window1,048,576262,144
LMArena score1,431.81,438.0
LMArena rank9280
Arena score per dollar12,587.36,225.1
Usage share, 7 days1.8%1.9%
Providers165
Added to OpenRouter2026-04-242026-07-06

Frequently asked questions

Which is cheaper, DeepSeek V4 Flash 0423 or Hy3?

DeepSeek V4 Flash 0423 is cheaper at a blended $0.1138 per million tokens (three parts input to one part output), against $0.231 for Hy3.

Which scores higher on LMArena, DeepSeek V4 Flash 0423 or Hy3?

Hy3 ranks higher on LMArena (1,438.0 against 1,431.8).

Which has the longer context window, DeepSeek V4 Flash 0423 or Hy3?

DeepSeek V4 Flash 0423 has the longer context window, 1.05M tokens against 262K for Hy3.

Methodology and sources

The catalogue, prices, context lengths and provider counts come from OpenRouter's public Models API. They are fetched every day at 06:00 Istanbul time and stored as a daily snapshot. Weekly changes are calculated by Oesnada by comparing those snapshots; there is no data before 16 October 2026.

Usage shares are calculated from the daily token totals of OpenRouter's Data API: a model's tokens over the past 7 days divided by all tokens in the same period, including the aggregated long tail outside the top 50. Token counts come from each provider's own tokenizer and are not directly comparable across providers. The data is published by OpenRouter under CC BY 4.0. Variants such as ":free" are counted separately, so shares here can differ from OpenRouter's own ranking page.

Quality rankings come from LMArena's text (overall) leaderboard. A model is matched only when its name matches exactly; if a model has several listings, the highest-scoring one is used. "Frontier" means a model in the LMArena top 15.

"Best value" divides the LMArena score by the blended price (three parts input to one part output). Arena scores are not a linear scale, so the ratio is a rough guide. This page is produced automatically.

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Oesnada, "DeepSeek V4 Flash 0423 vs Hy3: price, context and ranking", https://oesnada.com/ai-models/compare/deepseek-deepseek-v4-flash-vs-tencent-hy3, accessed 18 October 2026.