Model Comparison

o3-pro
vs. Qwen3.5 Omni Flash

Comparing 2 AI models · 7 benchmarks · OpenAI, Alibaba

Recommended Pick

Alibaba logoQwen3.5 Omni Flash7 metric wins

Strongest on: Value, Input price, Output price

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

OpenAI logo

o3-pro

58.5 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

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 200x cheaper on input tokens than o3-pro.

Speed gap

Qwen3.5 Omni Flash generates about 10.4x as many tokens per second as o3-pro.

Reasoning gap

o3-pro leads Qwen3.5 Omni Flash by 25.1 points on reasoning.

Top-pick rationale

Qwen3.5 Omni Flash wins 7 measurable categories, including Value, Input price, Output price, Blended price.

Live compare

Response Face-Off

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

OpenAI logo

o3-pro

OpenAI

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
Alibaba logo

Qwen3.5 Omni Flash

Alibaba

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
OpenAI logoo3-pro
OpenAI
Top Pick
Alibaba logoQwen3.5 Omni Flash
Alibaba
Pricing per 1M tokens
Input Cost$20.00/1M$0.10/1M
Output Cost$80.00/1M$0.80/1M
Blended (3:1)$35.00/1M$0.28/1M
Specifications
OrganizationOpenAIAlibaba
Release DateJun 10, 2025Mar 30, 2026
Performance & Speed
Throughput24.2 tok/s250.5 tok/s
TTFT67437ms1104ms
Latency67437ms1104ms
Composite Indices
Value Score1.4100.0
Reasoning Score58.533.4
Intelligence32.519.0
Standard Benchmarks
GPQA84.5%74.2%
HLE7.1%
SciCode25.5%
LCR44.0%
IFBench38.0%
TAU-bench v284.5%
TerminalBench Hard8.3%

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.

o3-pro has the strongest reasoning profile with a 58.5 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

OpenAI logo

o3-pro

  • Complex reasoning tasks
  • Research & analysis
Alibaba logo

Qwen3.5 Omni Flash

  • Cost-sensitive applications
  • High-volume processing