Which model is better: DeepSeek-V4 Flash or Qwen 2.5 Max?

DeepSeek-V4 Flash is 50.0% cheaper for input tokens ($0.14 vs. $0.28 per 1M tokens) and $0.56 vs. $0.84 for output tokens (2.0x cost difference). In terms of operational performance, DeepSeek-V4 Flash delivers faster response latency with 150ms TTFT (330ms faster than Qwen 2.5 Max). DeepSeek-V4 Flash leads coding benchmarks at 62.4% SWE-bench vs. 44.2% for Qwen 2.5 Max.
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-V4 Flash Qwen 2.5 Max Net Delta / Advantage
Input Cost / 1M Tokens $0.14 $0.28 DeepSeek-V4 Flash is 2.0x cheaper
Output Cost / 1M Tokens $0.56 $0.84 DeepSeek-V4 Flash (33.3% lower)
Avg TTFT Response Latency 150ms 480ms DeepSeek-V4 Flash (+330ms faster)
SWE-bench Verified (Coding) 62.4% 44.2% DeepSeek-V4 Flash (+18.2% lead)
Inference Value Score (IVR) 99.9 / 100 99.9 / 100 Qwen 2.5 Max (+0 pts)

Interactive Monthly Token Economics & ROI Forecaster

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

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

Estimated Monthly Spend

DeepSeek-V4 Flash $5.45

$0.14/1M in · $0.56/1M out

Qwen 2.5 Max $67.50

$0.28/1M in · $0.84/1M out

Projected Monthly Cost Reduction
$62.05 / mo
(91.9% lower cost)
A

When to Choose DeepSeek-V4 Flash

Choose DeepSeek-V4 Flash when you need Ultra-low-cost open-weights reasoning and coding with 1M context at unprecedented token generation speeds. and have an infrastructure budget aligned with $0.14/1M tokens.

B

When to Choose Qwen 2.5 Max

Choose Qwen 2.5 Max when you need High-performance enterprise reasoning across Asian and Western languages with advanced structured output handling. and prioritize Alibaba Cloud ecosystem integration at $0.28/1M tokens.

Related Questions & Decision Factors

Which is cheaper: DeepSeek-V4 Flash or Qwen 2.5 Max?

DeepSeek-V4 Flash is cheaper at $0.14/1M input tokens compared to $0.28/1M for Qwen 2.5 Max.

Which model has lower latency: DeepSeek-V4 Flash or Qwen 2.5 Max?

DeepSeek-V4 Flash delivers faster response times with an average TTFT of 150ms vs 480ms for Qwen 2.5 Max.

When should you choose DeepSeek-V4 Flash?

Choose DeepSeek-V4 Flash when you need Ultra-low-cost open-weights reasoning and coding with 1M context at unprecedented token generation speeds. and have an infrastructure budget aligned with $0.14/1M tokens.

When should you choose Qwen 2.5 Max?

Choose Qwen 2.5 Max when you need High-performance enterprise reasoning across Asian and Western languages with advanced structured output handling. and prioritize Alibaba Cloud ecosystem integration at $0.28/1M tokens.

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