DeepSeek V4 Flash vs Qwen Plus 0728 (thinking) (Comparative Analysis)
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Comparative Analysis: DeepSeek V4 Flash vs. Qwen Plus 0728 (thinking)
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Overview
Qwen Plus 0728 (thinking) was released 7 months before DeepSeek V4 Flash.
 DeepSeek V4 Flash |  Qwen Plus 0728 (thinking) | |
|---|---|---|
Model Provider The organization behind this AI's development | DeepSeek | Qwen |
Input Context Window Maximum input tokens this model can process at once | 1M tokens | 1M tokens |
Output Token Limit Maximum output tokens this model can generate at once | 393.2K tokens | 32.8K tokens |
Release Date When this model first became publicly available | April 24, 2026 3 months ago April 24th, 2026 | September 8, 2025 10 months ago September 8th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | Not reported | March 31, 2025 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
DeepSeek V4 Flash | Qwen Plus 0728 (thinking) | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text |
Reasoning Controls Defaults and configurable reasoning effort | OptionalEffort: Extra High, HighDefault: High | Optional |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | DeepSeek | Qwen3 |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation |
Open Source Model availability | Available on HuggingFace → | Proprietary |
Pricing
DeepSeek V4 Flash is roughly 0.5x less expensive compared to Qwen Plus 0728 (thinking) for input tokens and roughly 0.4x less expensive for output tokens.
| DeepSeek V4 Flash | Qwen Plus 0728 (thinking) | |
|---|---|---|
Short Context Pricing Base rates before a long-context threshold applies | ||
Input Token Cost Cost per million input tokens | $0.14 per million tokens | $0.26 per million tokens |
Output Token Cost Cost per million output tokens | $0.28 per million tokens | $0.78 per million tokens |
Cache Read Cost Cost to reuse cached input tokens | $0.03 per million tokens | Not specified |
Cache Write Cost Cost to write input tokens to the cache | Not specified | $0.33 per million tokens |
Long Context Pricing Rates for prompts with 256,000 or more tokens | ||
Input Token Cost Long-context input cost per million tokens | Not specified | $0.78 per million tokens |
Output Token Cost Long-context output cost per million tokens | Not specified | $2.34 per million tokens |
Cache Write Cost Long-context cache write cost per million tokens | Not specified | $0.97 per million tokens |
Benchmarks
Compare relevant benchmarks between DeepSeek V4 Flash and Qwen Plus 0728 (thinking).
| DeepSeek V4 Flash | Qwen Plus 0728 (thinking) | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | 40.3 (Artificial Analysis index; higher is better) | Benchmark not available. |
Coding Index Programming performance across independent evaluations | 56.2 (Artificial Analysis index; higher is better) | Benchmark not available. |
Agentic Index Ability to complete multi-step agentic tasks | 31.1 (Artificial Analysis index; higher is better) | Benchmark not available. |
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,254 Elo (#31 in Game Dev (50.3% win rate)) | Benchmark not available. |
At a Glance
Quick overview of what makes DeepSeek V4 Flash and Qwen Plus 0728 (thinking) unique.
DeepSeek V4 Flash by DeepSeek can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 1M token context window. Very affordable at $0.14/M input and $0.28/M output tokens. Released April 24th, 2026.Qwen Plus 0728 (thinking) by Qwen can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 1M token context window. Very affordable at $0.26/M input and $0.78/M output tokens. Released September 8th, 2025.Explore More Comparisons
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Compare Qwen Plus 0728 (thinking) with:
🚀Programming
Best models for coding and development
🎨Creative & Roleplay
Models optimized for creative writing
📢Marketing
Content creation and marketing tasks
💻Technology
Technical analysis and explanations
🔬Science
Scientific research and analysis
🌐Translation
Multilingual translation tasks