DeepSeek V4 Flash 0423 vs Hy3

Compare DeepSeek V4 Flash 0423 from DeepSeek and Hy3 from tencent on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.

DeepSeek V4 Flash 0423 vs Hy3: side-by-side summary

DeepSeek V4 Flash 0423 and Hy3 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

DeepSeek V4 Flash 0423, from DeepSeek, has a 1,048,576-token context window and is priced at $0.0474/M tokens input, $0.45/M tokens output on OpenRouter.

Hy3, from tencent, has a 262,144-token context window and is priced at $0.0825/M tokens input, $0.33/M tokens output on OpenRouter.

Context window

DeepSeek V4 Flash 0423: 1,048,576 tokens
Hy3: 262,144 tokens

Price

DeepSeek V4 Flash 0423: $0.0474/M tokens input, $0.45/M tokens output
Hy3: $0.0825/M tokens input, $0.33/M tokens output

Provided by

DeepSeek V4 Flash 0423: DeepSeek
Hy3: tencent

DeepSeek V4 Flash 0423 vs Hy3 at a glance

DeepSeek V4 Flash 0423 vs Hy3 comparison
Attribute	DeepSeek V4 Flash 0423	Hy3
Input price	$0.0474/M tokens	$0.0825/M tokens
Output price	$0.45/M tokens	$0.33/M tokens
Context window	1,048,576 tokens	262,144 tokens
Intelligence Index	24.4	Not available
Coding Index	52.0	Not available
Agentic Index	26.3	Not available
Latency (p50)	0.47 s	2.81 s
Throughput (p50)	89.0 tok/s	55.0 tok/s

Benchmark data updated Oct 22, 2026

Frequently asked questions

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

DeepSeek V4 Flash 0423 has the longer context window at 1,048,576 tokens, compared with 262,144 tokens for Hy3.

Which is faster, DeepSeek V4 Flash 0423 or Hy3?

DeepSeek V4 Flash 0423 is faster on OpenRouter, generating a median 89.0 tokens per second compared with 55.0 tokens per second for Hy3.

DeepSeek V4 Flash 0423 vs Hy3

DeepSeek V4 Flash 0423 vs Hy3

Overview