Qwen3.7 Plus vs DeepSeek V4 Flash
Too close to call on our weighted score (DeepSeek V4 Flash 71, Qwen3.7 Plus 70). The right pick depends on what you value most.
Alibaba (Qwen)Qwen3.7 Plus
70/100- ECI147.4
- Price$0.40 / $1.60
- Context1M
DeepSeekDeepSeek V4 Flash
71/100- ECI146.1
- Price$0.14 / $0.28
- Context1M
Add a model
Make it a three-way comparison.
Too close to call
It is close. Our weighted score puts them within 1 points (DeepSeek V4 Flash 71/100, Qwen3.7 Plus 70/100), so choose by what matters most for your work: Qwen3.7 Plus for raw capability and DeepSeek V4 Flash on price. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.
- CapabilityQwen3.7 PlusCapabilities Index (ECI): Qwen3.7 Plus 147.4 · DeepSeek V4 Flash 146.1
- Lowest priceDeepSeek V4 FlashDeepSeek V4 Flash $0.175 · Qwen3.7 Plus $0.70 per 1M tokens (3:1 blend)
- Longest contextAbout the sameQwen3.7 Plus 1,000,000 · DeepSeek V4 Flash 1,000,000 tokens
- Widest inputsQwen3.7 PlusQwen3.7 Plus: Text, Images, Video · DeepSeek V4 Flash: Text
- Self-hostingDeepSeek V4 FlashPublishes downloadable weights
| Measure | Weight | Qwen3.7 Plus | DeepSeek V4 Flash |
|---|---|---|---|
| CapabilityCapabilities Index (ECI) | 50% | 75 | 73 |
| Price | 25% | 57 | 86 |
| Inputs & features | 15% | 80 | 45 |
| Context window | 10% | 60 | 60 |
| Overall | 100% | 70/100 | 71/100 |
Every spec in one table
Highlighted cells lead their row. Dashes mean the data is not published.
| Specification | Qwen3.7 PlusAlibaba (Qwen) | DeepSeek V4 FlashDeepSeek |
|---|---|---|
| Capability | ||
| Capabilities Index (ECI) | 147.4 (best) | 146.1 |
| ECI rank | #61 of 148 (best) | #71 of 148 |
| GPQA DiamondGraduate-level science questions | 87.9% | — |
| FrontierMath Tiers 1–3Research-level mathematics | 34.4% | — |
| OTIS Mock AIME 2024–2025Competition mathematics | 93.3% | — |
| Price per million tokens | ||
| Input | $0.40 | $0.14 (best) |
| Output | $1.60 | $0.28 (best) |
| Cached input | $0.04 | — |
| Blended (3:1) | $0.70 | $0.175 (best) |
| Long-context rate | Over 256K: $1.20 / $4.80 | Same rate |
| Price source | Official Alibaba API | Median of 42 providers |
| Limits | ||
| Context window | 1,000,000 tokens | 1,000,000 tokens |
| Max output | 64,000 tokens | 384,000 tokens (best) |
| Inputs and features | ||
| Text | Yes | Yes |
| Images | Yes | No |
| PDFs | No | No |
| Audio | No | No |
| Video | Yes | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Structured output | Yes | Yes |
| Availability | ||
| Weights | Proprietary | Open |
| API model ID | qwen3.7-plus | — |
| API providers | 25 | 48 (best) |
| Released | Jun 2, 2026 | Apr 24, 2026 |
| Knowledge cutoff | Apr 2025 | May 2025 |
What would a month cost?
Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.
- Qwen3.7 Plus$7.20
- DeepSeek V4 Flash$1.96
Which should you choose?
Which is better: Qwen3.7 Plus or DeepSeek V4 Flash?
It is close. Our weighted score puts them within 1 points (DeepSeek V4 Flash 71/100, Qwen3.7 Plus 70/100), so choose by what matters most for your work: Qwen3.7 Plus for raw capability and DeepSeek V4 Flash on price. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.
Which is cheaper, Qwen3.7 Plus or DeepSeek V4 Flash?
DeepSeek V4 Flash is cheaper at $0.14 input / $0.28 output per million tokens (median across 42 API providers). Qwen3.7 Plus costs $0.40 input / $1.60 output per million tokens (official Alibaba API price). At a typical mix of three input tokens to one output token, that is $0.175 per million tokens for DeepSeek V4 Flash versus $0.70 for Qwen3.7 Plus (4× as much).
Which scores higher on benchmarks?
Qwen3.7 Plus scores higher on the Capabilities Index (ECI): Qwen3.7 Plus 147.4 (#61 of 148) and DeepSeek V4 Flash 146.1 (#71 of 148). The confidence ranges of the top two overlap (145.7–148.9 vs 143.6–147.9), so treat the gap as small.
Which is better for coding?
There are no published SWE-bench Verified results for Qwen3.7 Plus and DeepSeek V4 Flash yet, so there is no like-for-like coding score. On overall capability, Qwen3.7 Plus leads, which tends to carry over to coding, but test on your own codebase. Both support tool calling for agent workflows.
Which has the bigger context window?
Qwen3.7 Plus and DeepSeek V4 Flash share the same 1,000,000-token context window. Maximum output per response: Qwen3.7 Plus up to 64,000, DeepSeek V4 Flash up to 384,000 tokens.
Which can read images, PDFs, audio or video?
Qwen3.7 Plus accepts text, images and video; DeepSeek V4 Flash accepts text. Qwen3.7 Plus handles the widest range of inputs.
Are any of these open source?
DeepSeek V4 Flash publishes its weights and can be self-hosted; Qwen3.7 Plus is proprietary.
Which is newer?
Qwen3.7 Plus is the newest, released Jun 2, 2026. DeepSeek V4 Flash came out Apr 24, 2026. Knowledge cutoff: Qwen3.7 Plus Apr 2025, DeepSeek V4 Flash May 2025.
How do you decide the winner?
Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Oct 4, 2026.
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