Qwen3.8 27B vs DeepSeek V4 Flash 0731

Compare Qwen3.8 27B from Qwen and DeepSeek V4 Flash 0731 from DeepSeek on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.

Qwen3.8 27B vs DeepSeek V4 Flash 0731: side-by-side summary

Qwen3.8 27B and DeepSeek V4 Flash 0731 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Qwen3.8 27B, from Qwen, has a 1,000,000-token context window and is priced at $0.02/M tokens input, $0.50/M tokens output on OpenRouter.

DeepSeek V4 Flash 0731, from DeepSeek, has a 1,048,576-token context window and is priced at $0.0475/M tokens input, $0.1568/M tokens output on OpenRouter.

Context window

Qwen3.8 27B: 1,000,000 tokens
DeepSeek V4 Flash 0731: 1,048,576 tokens

Price

Qwen3.8 27B: $0.02/M tokens input, $0.50/M tokens output
DeepSeek V4 Flash 0731: $0.0475/M tokens input, $0.1568/M tokens output

Provided by

Qwen3.8 27B: Qwen
DeepSeek V4 Flash 0731: DeepSeek

Qwen3.8 27B vs DeepSeek V4 Flash 0731 at a glance

Qwen3.8 27B vs DeepSeek V4 Flash 0731 comparison
Attribute	Qwen3.8 27B	DeepSeek V4 Flash 0731
Input price	$0.02/M tokens	$0.0475/M tokens
Output price	$0.50/M tokens	$0.1568/M tokens
Context window	1,000,000 tokens	1,048,576 tokens
Intelligence Index	33.7	34.3
Coding Index	68.1	69.1
Agentic Index	45.8	41.0
Latency (p50)	0.65 s	0.47 s
Throughput (p50)	33.0 tok/s	69.0 tok/s

Benchmark data updated Oct 13, 2026

Frequently asked questions

Is Qwen3.8 27B cheaper than DeepSeek V4 Flash 0731?

Qwen3.8 27B and DeepSeek V4 Flash 0731 trade off on price: Qwen3.8 27B costs $0.02/M tokens input and $0.50/M tokens output, while DeepSeek V4 Flash 0731 costs $0.0475/M tokens input and $0.1568/M tokens output, so Qwen3.8 27B is cheaper for input tokens and DeepSeek V4 Flash 0731 is cheaper for output tokens.

Which has the longer context window, Qwen3.8 27B or DeepSeek V4 Flash 0731?

DeepSeek V4 Flash 0731 has the longer context window at 1,048,576 tokens, compared with 1,000,000 tokens for Qwen3.8 27B.

Which is faster, Qwen3.8 27B or DeepSeek V4 Flash 0731?

DeepSeek V4 Flash 0731 is faster on OpenRouter, generating a median 69.0 tokens per second compared with 33.0 tokens per second for Qwen3.8 27B.

Which scores higher on coding, Qwen3.8 27B or DeepSeek V4 Flash 0731?

DeepSeek V4 Flash 0731 scores higher on coding, with an Artificial Analysis Coding Index of 69.1 compared with 68.1 for Qwen3.8 27B.

Qwen3.8 27B vs DeepSeek V4 Flash 0731

Qwen3.8 27B vs DeepSeek V4 Flash 0731

Overview