💰 Unit Cost Winner GPT-4o Mini $0.15/1M in · $0.60/1M out
⚡ Latency & Speed Winner GPT-4o Mini 220ms TTFT · 140 tok/s
💻 Coding (SWE) Winner Qwen 3.8 Flash Next 81% SWE-bench · 95.1% HumanEval
🧠 STEM Reasoning Winner Qwen 3.8 Flash Next 91.7% GPQA · 95.7% MATH-500

Which model is better: GPT-4o Mini or Qwen 3.8 Flash Next?

GPT-4o Mini is 6.2% cheaper for input tokens ($0.15 vs. $0.16 per 1M tokens) and $0.60 vs. $0.47 for output tokens (1.1x cost advantage). In terms of operational performance, GPT-4o Mini delivers lower response latency at 220ms TTFT (60ms faster than Qwen 3.8 Flash Next) with 140 vs. 185 tok/s throughput. Qwen 3.8 Flash Next leads coding evaluations at 81.0% SWE-bench Verified vs. 41.0% for GPT-4o Mini and 91.7% vs. 40.2% on GPQA Diamond.
Verified daily via automated API latency tests and official documentation.

Verified Performance & Unit Economics Delta (12 Dimensions)

Daily synchronized metrics across token pricing, prompt cache economics, latency, throughput, and 5 capability benchmarks.

Metric / Dimension GPT-4o Mini Qwen 3.8 Flash Next Net Delta / Advantage
Input Cost / 1M Tokens $0.15 $0.16 GPT-4o Mini is 1.1x cheaper
Output Cost / 1M Tokens $0.60 $0.47 Qwen 3.8 Flash Next (21.7% lower)
Prompt Cache Read / 1M $0.075 $0.016 Qwen 3.8 Flash Next is 4.7x cheaper
Prompt Cache Write / 1M $0.15 $0.20 GPT-4o Mini is 1.3x cheaper
Context Window (Max Output) 131k (16k out) 268k (66k out) Qwen 3.8 Flash Next (2.0x larger context)
Avg TTFT Response Latency 220ms 280ms GPT-4o Mini (60ms faster)
Generation Speed (Throughput) 140 tok/s 185 tok/s Qwen 3.8 Flash Next (+45 tok/s faster)
SWE-bench Verified (Coding) 41% 81% Qwen 3.8 Flash Next (+40.0% lead)
GPQA Diamond (PhD STEM) 40.2% 91.7% Qwen 3.8 Flash Next (+51.5% lead)
MMLU-Pro (Multi-Discipline) 68% 88.4% Qwen 3.8 Flash Next (+20.4% lead)
MATH-500 (Quantitative Logic) 70.2% 95.7% Qwen 3.8 Flash Next (+25.5% lead)
Inference Value Score (IVR) 67.2 / 100 85.1 / 100 Qwen 3.8 Flash Next (+17.9 pts)

Interactive Monthly Token Economics & ROI Forecaster

Model production workloads across prompt, completion, and cached context tokens, or switch models on the fly.

25.0M Tokens
500K 50M 250M 500M+
5.0M Tokens
100K 25M 75M 150M+
50% Cached
0% (Uncached) 25% 50% (Typical Agent) 95% Max

Estimated Monthly Spend

GPT-4o Mini $5.81

$0.15/1M in · $0.60/1M out

Prompt Cache: $0.075/1M read · $0.15/1M write

Qwen 3.8 Flash Next $4.55

$0.16/1M in · $0.47/1M out

Prompt Cache: $0.016/1M read · $0.20/1M write

Projected Monthly Cost Reduction
$1.26 / mo
(21.7% lower cost with Qwen 3.8 Flash Next)
Open Full Matchup Analysis →
A

When to Choose GPT-4o Mini

Choose GPT-4o Mini (OpenAI) for high-volume classification, lightweight RAG chatbots, and structured JSON extraction — offering a 131k context window, 220ms TTFT, and $0.15/1M input pricing ($0.075/1M cached reads).

B

When to Choose Qwen 3.8 Flash Next

Choose Qwen 3.8 Flash Next (Alibaba Cloud) for next-generation open-weight multimodal MoE activating only 6B parameters per token for ultra-low-cost enterprise office automation, tool calling, and multilingual repository engineering — offering a 268k context window, 280ms TTFT, and $0.16/1M input pricing ($0.016/1M cached reads).

Related Questions & Decision Factors

Which is cheaper: GPT-4o Mini or Qwen 3.8 Flash Next?

GPT-4o Mini is cheaper at $0.15/1M input tokens ($0.60/1M output) compared to $0.16/1M input ($0.47/1M output) for Qwen 3.8 Flash Next.

Which model has lower TTFT latency and higher tok/s throughput: GPT-4o Mini or Qwen 3.8 Flash Next?

GPT-4o Mini delivers faster first-token latency at 220ms TTFT (140 tok/s throughput) compared to 280ms TTFT (185 tok/s) for Qwen 3.8 Flash Next.

How do GPT-4o Mini and Qwen 3.8 Flash Next compare on SWE-bench coding and GPQA Diamond reasoning?

On SWE-bench Verified software engineering, GPT-4o Mini scores 41% versus 81% for Qwen 3.8 Flash Next. On GPQA Diamond graduate-level STEM reasoning, GPT-4o Mini scores 40.2% versus 91.7% for Qwen 3.8 Flash Next (and 70.2% vs 95.7% on MATH-500).

When should you choose GPT-4o Mini?

Choose GPT-4o Mini (OpenAI) for high-volume classification, lightweight RAG chatbots, and structured JSON extraction — offering a 131k context window, 220ms TTFT, and $0.15/1M input pricing ($0.075/1M cached reads).

When should you choose Qwen 3.8 Flash Next?

Choose Qwen 3.8 Flash Next (Alibaba Cloud) for next-generation open-weight multimodal MoE activating only 6B parameters per token for ultra-low-cost enterprise office automation, tool calling, and multilingual repository engineering — offering a 268k context window, 280ms TTFT, and $0.16/1M input pricing ($0.016/1M cached reads).

Explore High-Priority Related Model Matchups