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DeepSeek V4 Flash vs Qwen3 Next 80B A3B Thinking

How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for DeepSeek V4 Flash and Qwen3 Next 80B A3B Thinking.

DeepSeek

DeepSeek V4 Flash

DeepSeek V4 Flash is an efficiency-optimized Mixture-of-Experts model from DeepSeek with 284B total parameters and 13B activated parameters, supporting a 1M-token context window. It is designed for fast inference and...

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Alibaba

Qwen3 Next 80B A3B Thinking

Qwen3-Next-80B-A3B-Thinking is a reasoning-first chat model in the Qwen3-Next line that outputs structured “thinking” traces by default. It’s designed for hard multi-step problems; math proofs, code synthesis/debugging, logic, and agentic...

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Technical Specifications

SpecificationDeepSeek V4 FlashQwen3 Next 80B A3B Thinking
ProviderDeepSeekAlibaba
Context Window1,048,576 tokens262,144 tokens
Agent Suitability86/100N/A
Time to First Token (TTFT)120 msN/A
Deployment Modelmanaged apiself hostable
Production Stabilitystablestable
API AvailableYesYes
Released Date2026-04-242025-09-11

API Pricing Comparison

Input Price per Million Tokens

DeepSeek V4 Flash

$0.09

Qwen3 Next 80B A3B Thinking

$0.10

Output Price per Million Tokens

DeepSeek V4 Flash

$0.18

Qwen3 Next 80B A3B Thinking

$0.78

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Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

MMLUGeneral knowledge & multi-task understanding
8240.0%vsN/A
DeepSeek V4 Flash
Qwen3 Next 80B A3B Thinking
HumanEvalPython coding & logic synthesis
8410.0%vsN/A
DeepSeek V4 Flash
Qwen3 Next 80B A3B Thinking
MATHComplex mathematical problem solving
5020.0%vsN/A
DeepSeek V4 Flash
Qwen3 Next 80B A3B Thinking
GPQAGraduate-level expert reasoning
3800.0%vsN/A
DeepSeek V4 Flash
Qwen3 Next 80B A3B Thinking
HellaSwagCommonsense reasoning and inference
8350.0%vsN/A
DeepSeek V4 Flash
Qwen3 Next 80B A3B Thinking
MT-BenchMulti-turn conversation flow quality
875.0%vsN/A
DeepSeek V4 Flash
Qwen3 Next 80B A3B Thinking

DeepSeek V4 Flash Quirks & Gotchas

  • ▸Best cost-per-token ratio of any hosted API — ideal for high-throughput pipelines
  • ▸Lower agentic performance vs V4 Pro — route complex tool calls accordingly

Qwen3 Next 80B A3B Thinking Quirks & Gotchas

No developer gotchas reported.