Model Comparison

GPT-5 (low)
vs. Qwen3.5 397B A17B (Reasoning)

Comparing 2 AI models · 12 benchmarks · OpenAI, Alibaba

Recommended Pick

Alibaba logo Qwen3.5 397B A17B (Reasoning) 14 metric wins

Strongest on: Value, Input price, Output price

Best Value

Alibaba logo

Qwen3.5 397B A17B (Reasoning)

100.0 value score

53.9 reasoning / $1.35/1M

Lowest Price

Alibaba logo

Qwen3.5 397B A17B (Reasoning)

$0.60/1M input price

Best Reasoning

OpenAI logo

GPT-5 (low)

69.4 reasoning score

Blends available reasoning benchmarks

Best for Coding

Alibaba logo

Qwen3.5 397B A17B (Reasoning)

41.3 coding index

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Differences That Matter

Best value

Qwen3.5 397B A17B (Reasoning) has the strongest quality-to-price mix at 100.0 out of 100 value points.

Price gap

Qwen3.5 397B A17B (Reasoning) is 2.1x cheaper on input tokens than GPT-5 (low).

Speed gap

GPT-5 (low) generates about 1.4x as many tokens per second as Qwen3.5 397B A17B (Reasoning).

Reasoning gap

GPT-5 (low) leads Qwen3.5 397B A17B (Reasoning) by 15.6 points on reasoning.

Coding gap

Qwen3.5 397B A17B (Reasoning) leads GPT-5 (low) by 10.6 points on coding.

Live compare

Response Face-Off

Run one prompt through the selected models and compare response quality with live speed and cost context.

OpenAI logo

GPT-5 (low)

OpenAI

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
Alibaba logo

Qwen3.5 397B A17B (Reasoning)

Alibaba

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting

Which answer was more useful?

AI Chat

Chat with 80+ models

Inference API

EU-hosted inference

Full Comparison

Metric
OpenAI logo GPT-5 (low)
OpenAI
Top Pick
Alibaba logo Qwen3.5 397B A17B (Reasoning)
Alibaba
Pricing per 1M tokens
Input Cost $1.25/1M$0.60/1M
Output Cost $10.00/1M$3.60/1M
Blended (3:1) $3.44/1M$1.35/1M
Specifications
Organization OpenAIAlibaba
Release Date Aug 7, 2025Feb 16, 2026
Performance & Speed
Throughput 73.1 tok/s51.8 tok/s
TTFT 11075ms1816ms
Latency 11075ms63331ms
Composite Indices
Value Score 50.6100.0
Reasoning Score 69.453.9
Intelligence 39.245.0
Coding 30.741.3
Math 83.0
Standard Benchmarks
GPQA 80.8%89.3%
MMLU Pro 86.0%
HLE 18.4%27.3%
LiveCodeBench 76.3%
MATH 500 98.7%
AIME 2025 83.0%
AIME (Original) 83.0%
SciCode 39.1%42.0%
LCR 58.7%65.7%
IFBench 66.6%78.8%
TAU-bench v2 84.2%95.6%
TerminalBench Hard 26.5%40.9%

Key Takeaways

Qwen3.5 397B A17B (Reasoning) offers the best value at $0.60/1M, making it ideal for high-volume applications and cost-conscious projects.

GPT-5 (low) has the strongest reasoning profile with a 69.4 reasoning score, combining the available reasoning-heavy benchmarks.

Qwen3.5 397B A17B (Reasoning) reaches a 41.3 coding index, making it the top choice for software development and code generation tasks.

All models support context windows of ∞+ tokens, suitable for processing lengthy documents and maintaining extended conversations.

When to Choose Each Model

OpenAI logo

GPT-5 (low)

  • Complex reasoning tasks
  • Research & analysis
Alibaba logo

Qwen3.5 397B A17B (Reasoning)

  • Cost-sensitive applications
  • High-volume processing
  • Code generation
  • Software development