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DeepSeek V3.1 vs Qwen3.8 27B

DeepSeek V3.1

DeepSeek

73#135
vs
Qwen3.8 27B

Alibaba

73#137
Signal-by-Signal Comparison
SignalDeepSeek V3.1DeltaQwen3.8 27B
Capabilities
67
-17
83
Benchmarks
69
-2
71
Pricing
99
+2
98
Context window size
83
-12
95
Recency
64
-36
100
Output Capacity
72
-10
82
Overall Result
1 wins
of 6
5 wins
Qwen3.8 27B wins 5 of 6 signals

Score History

Score History (29 data points)
DeepSeek V3.1Qwen3.8 27B
DeepSeek V3.1

73.3

current score

Leader

DeepSeek V3.1

right now

Qwen3.8 27B

73.1

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

DeepSeek V3.1

DeepSeek

Best Value
Per request$0.000725
Daily$2.42
Monthly$72.50
Annual$870.00

Qwen3.8 27B

Alibaba

Per request$0.001700
Daily$5.67
Monthly$170.00
Annual$2040.00

DeepSeek V3.1 saves you $97.50/month

That's $1170.00/year compared to Qwen3.8 27B at your current usage level of 100K calls/month.

57% cheaper
Choose DeepSeek V3.1 for cost optimization

DeepSeek V3.1 pricing:
Input:$0.25/M tokens
Output:$0.95/M tokens
Qwen3.8 27B pricing:
Input:$0.42/M tokens
Output:$2.55/M tokens
Winner
DeepSeek V3.1

DeepSeek

73

Composite Score

Qwen3.8 27B

Alibaba

73

Composite Score

Signal-by-Signal Comparison
MetricDeepSeek V3.1Qwen3.8 27BWinner
Overall Score
73
73
DeepSeek V3.1
Rank#135#137
DeepSeek V3.1
Quality Rank#135#137
DeepSeek V3.1
Adoption Rank#135#137
DeepSeek V3.1
Parameters--27B--
Context Window164K1000K
Qwen3.8 27B
Pricing$0.25/$0.95/M$0.42/$2.55/M--
Signal Scores
Capabilities
67
83
Qwen3.8 27B
Benchmarks
69
71
Qwen3.8 27B
Pricing
99
98
DeepSeek V3.1
Context window size
83
95
Qwen3.8 27B
Recency
64
100
Qwen3.8 27B
Output Capacity
72
82
Qwen3.8 27B
Benchmark Head-to-Head(1 benchmarks)
DeepSeek V3.1: 0Qwen3.8 27B: 1
DeepSeek V3.1
Qwen3.8 27B
Normalized 0-100%
Arena Elo
14171435
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

DeepSeek V3.1Strong Performer

Scores 73/100 (rank #135), placing it in the top 54% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Qwen3.8 27BStrong Performer

Scores 73/100 (rank #137), placing it in the top 53% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 0-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.

When to Use Each Model

Choose DeepSeek V3.1 when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model

Choose Qwen3.8 27B when you need:

  • Processing long documents or large codebases (1000K token context)
  • Multimodal workflows that require image understanding
  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model
Cost-Performance Analysis
DeepSeek V3.1Best Value
Input cost$0.25/M tokens
Output cost$0.95/M tokens
Cost per quality point$0.016
Est. monthly (1M tokens/day)$18.00
Qwen3.8 27B
Input cost$0.42/M tokens
Output cost$2.55/M tokens
Cost per quality point$0.041
Est. monthly (1M tokens/day)$44.63

DeepSeek V3.1 offers 60% better value per quality point. At 1M tokens/day, you'd spend $18.00/month with DeepSeek V3.1 vs $44.63/month with Qwen3.8 27B - a $26.63 monthly difference.

Latency & Speed
DeepSeek V3.1Faster
Speed score0/100
Qwen3.8 27B
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

DeepSeek V3.1

Customer support chatbot

Suitable for user-facing chat with competitive response times. DeepSeek V3.1 also offers lower per-token costs for high-volume support

DeepSeek V3.1

Long document analysis

Larger context window (1000K tokens) can process longer documents, contracts, and research papers in a single pass

Qwen3.8 27B

Batch data extraction

Lower output pricing ($0.95/M) reduces costs when processing thousands of records daily

DeepSeek V3.1

Creative writing & content

Higher overall composite score (73/100) correlates with better nuance, coherence, and style in long-form content

DeepSeek V3.1

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

Qwen3.8 27B
Which Should You Choose?
Our recommendation:
DeepSeek V3.1

DeepSeek V3.1 and Qwen3.8 27B are extremely close in overall performance (only 0.20000000000000284 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

DeepSeek V3.1
Recommended

by DeepSeek

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 60% lower pricing; better value at scale
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale

by Alibaba

Consider for specialized use cases.

Capability Comparison
CapabilityDeepSeek V3.1Qwen3.8 27B
Vision (Image Input)differs
Function Calling
Streaming
JSON Mode
Reasoning
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

DeepSeek V3.1

DeepSeek

Best Value
$1.59
estimated monthly cost

Qwen3.8 27B

Alibaba

$3.83
estimated monthly cost

DeepSeek V3.1 saves you $2.24/month

That's 58% cheaper than Qwen3.8 27B at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterDeepSeek V3.1Qwen3.8 27B
Context Window164K1M
Max Output Tokens32,768131,072
Open SourceYesYes
CreatedAug 21, 2025Aug 14, 2026
Last updated: 13m ago

相关对比

DeepSeek V3.1 vs Qwen3.8 27B (2026) | LM Market Cap