Model Comparison
Gemini 3 Deep Think
vs. Qwen3.5 4B (Reasoning)
Comparing 2 AI models · 7 benchmarks · Google, Alibaba
Recommended Pick
Go Gemini 3 Deep Think 4 metric wins Strongest on: Input price, Output price, TTFT
Lowest Price
Gemini 3 Deep Think
$0.00/1M input price
Best for Coding
Qwen3.5 4B (Reasoning)
17.5 coding index
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Price gap
Gemini 3 Deep Think is ∞x cheaper on input tokens than Qwen3.5 4B (Reasoning).
Top-pick rationale
Gemini 3 Deep Think wins 4 measurable categories, including Input price, Output price, TTFT, Latency.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Gemini 3 Deep Think
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Qwen3.5 4B (Reasoning)
Alibaba
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
Full Comparison
| Metric | Top Pick Go Gemini 3 Deep Think | Al Qwen3.5 4B (Reasoning) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.00/1M | $0.03/1M |
| Output Cost | $0.00/1M | $0.15/1M |
| Blended (3:1) | — | $0.06/1M |
| Specifications | ||
| Organization | Alibaba | |
| Release Date | Feb 5, 2026 | Mar 2, 2026 |
| Performance & Speed | ||
| Throughput | — | 203.6 tok/s |
| TTFT | — | 248ms |
| Latency | — | 10072ms |
| Composite Indices | ||
| Value Score | — | 100.0 |
| Reasoning Score | — | 37.3 |
| Intelligence | — | 27.1 |
| Coding | — | 17.5 |
| Standard Benchmarks | ||
| GPQA | — | 77.1% |
| HLE | — | 7.8% |
| SciCode | — | 16.1% |
| LCR | — | 55.7% |
| IFBench | — | 52.0% |
| TAU-bench v2 | — | 92.1% |
| TerminalBench Hard | — | 18.2% |
Key Takeaways
Gemini 3 Deep Think offers the best value at $0.00/1M, making it ideal for high-volume applications and cost-conscious projects.
Qwen3.5 4B (Reasoning) reaches a 17.5 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
Gemini 3 Deep Think
- Cost-sensitive applications
- High-volume processing
Qwen3.5 4B (Reasoning)
- Code generation
- Software development
