Model Comparison

Qwen3.5 Omni Flash
vs. Step 3.7 Flash

Comparing 2 AI models · 7 benchmarks · Alibaba, StepFun

Recommended Pick

StepFun logoStep 3.7 Flash11 metric wins

Strongest on: Throughput, TTFT, Reasoning

Best Value

Alibaba logo

Qwen3.5 Omni Flash

100.0 value score

33.4 reasoning / $0.28/1M

Lowest Price

Alibaba logo

Qwen3.5 Omni Flash

$0.10/1M input price

Best Reasoning

StepFun logo

Step 3.7 Flash

43.7 reasoning score

Blends available reasoning benchmarks

Best for Coding

StepFun logo

Step 3.7 Flash

39.6 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 Omni Flash has the strongest quality-to-price mix at 100.0 out of 100 value points.

Price gap

Qwen3.5 Omni Flash is 2.0x cheaper on input tokens than Step 3.7 Flash.

Speed gap

Step 3.7 Flash generates about 1.6x as many tokens per second as Qwen3.5 Omni Flash.

Reasoning gap

Step 3.7 Flash leads Qwen3.5 Omni Flash by 10.3 points on reasoning.

Top-pick rationale

Step 3.7 Flash wins 11 measurable categories, including Throughput, TTFT, Reasoning, Intelligence.

Live compare

Response Face-Off

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

Alibaba logo

Qwen3.5 Omni Flash

Alibaba

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
StepFun logo

Step 3.7 Flash

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 logoQwen3.5 Omni Flash
Alibaba
Top Pick
StepFun logoStep 3.7 Flash
StepFun
Pricing per 1M tokens
Input Cost$0.10/1M$0.20/1M
Output Cost$0.80/1M$1.15/1M
Blended (3:1)$0.28/1M$0.44/1M
Specifications
OrganizationAlibabaStepFun
Release DateMar 30, 2026May 29, 2026
Performance & Speed
Throughput245.1 tok/s404.4 tok/s
TTFT1068ms691ms
Latency1068ms5636ms
Composite Indices
Value Score100.082.2
Reasoning Score33.443.7
Intelligence19.030.3
Coding39.6
Standard Benchmarks
GPQA74.2%80.9%
HLE7.1%19.9%
SciCode25.5%40.0%
LCR44.0%63.7%
IFBench38.0%67.3%
TAU-bench v284.5%98.5%
TerminalBench Hard8.3%35.6%

Key Takeaways

Qwen3.5 Omni Flash offers the best value at $0.10/1M,making it ideal for high-volume applications and cost-conscious projects.

Step 3.7 Flash has the strongest reasoning profile with a 43.7 reasoning score,combining the available reasoning-heavy benchmarks.

Step 3.7 Flash reaches a 39.6 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

Alibaba logo

Qwen3.5 Omni Flash

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

Step 3.7 Flash

  • Complex reasoning tasks
  • Research & analysis
  • Code generation
  • Software development