Which model is better: DeepSeek V3 or Qwen 3.8 27B?

**DeepSeek V3 provides superior cost efficiency, while Qwen 3.8 27B dominates coding capability and latency.** DeepSeek V3 is 30.0% cheaper for inputs ($0.14 vs. $0.20 per 1M) and outputs ($0.28 vs. $0.60). Conversely, Qwen 3.8 27B achieves a superior 58.4% SWE-bench score over 42.0%, delivering faster response times with a 120ms TTFT (290ms faster).
Verified daily via automated API latency tests and official documentation.

Verified Performance & Unit Economics Delta

Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.

Metric / Dimension DeepSeek V3 Qwen 3.8 27B Net Delta / Advantage
Input Cost / 1M Tokens $0.14 $0.20 DeepSeek V3 is 1.4x cheaper
Output Cost / 1M Tokens $0.28 $0.60 DeepSeek V3 (53.3% lower)
Prompt Cache Read / 1M $0.014 $0.050 DeepSeek V3 is 3.6x cheaper
Prompt Cache Write / 1M $0.14 $0.20 DeepSeek V3 is 1.4x cheaper
Avg TTFT Response Latency 410ms 120ms Qwen 3.8 27B (+290ms faster)
SWE-bench Verified (Coding) 42% 58.4% Qwen 3.8 27B (+16.4% lead)
Inference Value Score (IVR) 75.9 / 100 75.7 / 100 DeepSeek V3 (+0.2 pts)

Interactive Monthly Token Economics & ROI Forecaster

Model your expected production workload across prompt (input) and completion (output) tokens with prompt caching economics.

Live Calculation Engine
10.0M Tokens
100K 50M 250M 500M+
2.5M Tokens
100K 10M 50M 100M+

Estimated Monthly Spend

DeepSeek V3 $2.10

$0.14/1M in · $0.28/1M out

Prompt Cache: $0.014/1M read · $0.14/1M write

Qwen 3.8 27B $3.50

$0.20/1M in · $0.60/1M out

Prompt Cache: $0.050/1M read · $0.20/1M write

Projected Monthly Cost Reduction
$1.40 / mo
(40.0% lower cost with DeepSeek V3)
A

When to Choose DeepSeek V3

Choose DeepSeek V3 when you need Massive mixture-of-experts generalist model offering industry-leading price-to-performance efficiency for production chat and drafting. and have an infrastructure budget aligned with $0.14/1M tokens.

B

When to Choose Qwen 3.8 27B

Choose Qwen 3.8 27B when you need High-performance 27B open weights optimized for local deployment, code generation, and low-latency production pipelines. and prioritize Alibaba Cloud ecosystem integration at $0.20/1M tokens.

Related Questions & Decision Factors

Which is cheaper: DeepSeek V3 or Qwen 3.8 27B?

DeepSeek V3 is cheaper at $0.14/1M input tokens compared to $0.20/1M for Qwen 3.8 27B.

Which model has lower latency: DeepSeek V3 or Qwen 3.8 27B?

Qwen 3.8 27B delivers faster response times with an average TTFT of 120ms vs 410ms for DeepSeek V3.

When should you choose DeepSeek V3?

Choose DeepSeek V3 when you need Massive mixture-of-experts generalist model offering industry-leading price-to-performance efficiency for production chat and drafting. and have an infrastructure budget aligned with $0.14/1M tokens.

When should you choose Qwen 3.8 27B?

Choose Qwen 3.8 27B when you need High-performance 27B open weights optimized for local deployment, code generation, and low-latency production pipelines. and prioritize Alibaba Cloud ecosystem integration at $0.20/1M tokens.

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