Model Comparison

Qwen2.5 Instruct 32B
vs. Step 3.5 Flash 2603

Comparing 2 AI models · 11 benchmarks · Alibaba, StepFun

Recommended Pick

StepFun logoStep 3.5 Flash 26036 metric wins

Strongest on: Throughput, Reasoning, Intelligence

Lowest Price

Alibaba logo

Qwen2.5 Instruct 32B

$0.00/1M input price

Best Reasoning

StepFun logo

Step 3.5 Flash 2603

43.7 reasoning score

Blends available reasoning benchmarks

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Differences That Matter

Price gap

Qwen2.5 Instruct 32B is ∞x cheaper on input tokens than Step 3.5 Flash 2603.

Reasoning gap

Step 3.5 Flash 2603 leads Qwen2.5 Instruct 32B by 13.8 points on reasoning.

Top-pick rationale

Step 3.5 Flash 2603 wins 6 measurable categories, including Throughput, Reasoning, Intelligence, GPQA.

Live compare

Response Face-Off

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

Alibaba logo

Qwen2.5 Instruct 32B

Alibaba

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
StepFun logo

Step 3.5 Flash 2603

StepFun

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting

Which answer was more useful?

Chat with leading AI models

Use Claude, ChatGPT, Gemini alongside with EU-Hosted Models like Deepseek, Qwen & Kimi.

EU-hosted inference

Servers in Germany & Finland. Designed to meet strict GDPR and ISO 27001 compliance requirements.

Full Comparison

Metric
Alibaba logoQwen2.5 Instruct 32B
Alibaba
Top Pick
StepFun logoStep 3.5 Flash 2603
StepFun
Pricing per 1M tokens
Input Cost$0.00/1M$0.10/1M
Output Cost$0.00/1M$0.30/1M
Blended (3:1)$0.15/1M
Specifications
OrganizationAlibabaStepFun
Release DateSep 19, 2024Apr 2, 2026
Performance & Speed
Throughput198.6 tok/s
TTFT855ms
Latency10925ms
Composite Indices
Value Score100.0
Reasoning Score29.943.7
Intelligence7.526.0
Standard Benchmarks
GPQA46.6%82.6%
MMLU Pro69.7%
HLE3.8%22.6%
LiveCodeBench24.8%
MATH 50080.5%
AIME (Original)11.0%
SciCode22.9%38.5%
LCR54.3%
IFBench66.5%
TAU-bench v287.4%
TerminalBench Hard32.6%

Key Takeaways

Qwen2.5 Instruct 32B offers the best value at $0.00/1M,making it ideal for high-volume applications and cost-conscious projects.

Step 3.5 Flash 2603 has the strongest reasoning profile with a 43.7 reasoning score,combining the available reasoning-heavy benchmarks.

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

When to Choose Each Model

Alibaba logo

Qwen2.5 Instruct 32B

  • Cost-sensitive applications
  • High-volume processing
StepFun logo

Step 3.5 Flash 2603

  • Complex reasoning tasks
  • Research & analysis