Model Comparison
Qwen3.5 Omni Flash
vs. Gemini 3.1 Pro Preview
Comparing 2 AI models · 7 benchmarks · Alibaba, Google
Recommended Pick
Go Gemini 3.1 Pro Preview 9 metric wins Strongest on: Reasoning, Intelligence, GPQA
Best Value
Qwen3.5 Omni Flash
100.0 value score
33.4 reasoning / $0.28/1M
Lowest Price
Qwen3.5 Omni Flash
$0.10/1M input price
Best Reasoning
Gemini 3.1 Pro Preview
61.8 reasoning score
Blends available reasoning benchmarks
Best for Coding
Gemini 3.1 Pro Preview
68.8 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 20x cheaper on input tokens than Gemini 3.1 Pro Preview.
Speed gap
Qwen3.5 Omni Flash generates about 1.7x as many tokens per second as Gemini 3.1 Pro Preview.
Reasoning gap
Gemini 3.1 Pro Preview leads Qwen3.5 Omni Flash by 28.3 points on reasoning.
Top-pick rationale
Gemini 3.1 Pro Preview wins 9 measurable categories, including Reasoning, Intelligence, GPQA, HLE.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Qwen3.5 Omni Flash
Alibaba
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Gemini 3.1 Pro Preview
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
Full Comparison
| Metric | Al Qwen3.5 Omni Flash | Top Pick Go Gemini 3.1 Pro Preview |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.10/1M | $2.00/1M |
| Output Cost | $0.80/1M | $12.00/1M |
| Blended (3:1) | $0.28/1M | $4.50/1M |
| Specifications | ||
| Organization | Alibaba | |
| Release Date | Mar 30, 2026 | Feb 19, 2026 |
| Performance & Speed | ||
| Throughput | 244.0 tok/s | 139.6 tok/s |
| TTFT | 1036ms | 28984ms |
| Latency | 1036ms | 28984ms |
| Composite Indices | ||
| Value Score | 100.0 | 11.3 |
| Reasoning Score | 33.4 | 61.8 |
| Intelligence | 19.0 | 46.5 |
| Coding | — | 68.8 |
| Standard Benchmarks | ||
| GPQA | 74.2% | 94.1% |
| HLE | 7.1% | 44.7% |
| SciCode | 25.5% | 58.9% |
| LCR | 44.0% | 72.7% |
| IFBench | 38.0% | 77.1% |
| TAU-bench v2 | 84.5% | 95.6% |
| TerminalBench Hard | 8.3% | 53.8% |
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.
Gemini 3.1 Pro Preview has the strongest reasoning profile with a 61.8 reasoning score, combining the available reasoning-heavy benchmarks.
Gemini 3.1 Pro Preview reaches a 68.8 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
Qwen3.5 Omni Flash
- Cost-sensitive applications
- High-volume processing
Gemini 3.1 Pro Preview
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
