Gemini 2.5 Pro vs Qwen3.5 Plus 2026-02-15
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Gemini 2.5 Pro and Qwen3.5 Plus 2026-02-15.
Gemini 2.5 Pro
Gemini 2.5 Pro is Google’s state-of-the-art AI model designed for advanced reasoning, coding, mathematics, and scientific tasks. It employs “thinking” capabilities, enabling it to reason through responses with enhanced accuracy...
Qwen3.5 Plus 2026-02-15
The Qwen3.5 native vision-language series Plus models are built on a hybrid architecture that integrates linear attention mechanisms with sparse mixture-of-experts models, achieving higher inference efficiency. In a variety of...
Technical Specifications
| Specification | Gemini 2.5 Pro | Qwen3.5 Plus 2026-02-15 |
|---|---|---|
| Provider | Alibaba | |
| Context Window | 1,048,576 tokens | 1,000,000 tokens |
| Agent Suitability | 90/100 | N/A |
| Time to First Token (TTFT) | 450 ms | N/A |
| Deployment Model | managed api | self hostable |
| Production Stability | stable | beta |
| API Available | Yes | Yes |
| Released Date | 2025-06-17 | 2026-02-16 |
API Pricing Comparison
Input Price per Million Tokens
Gemini 2.5 Pro
$1.25
Qwen3.5 Plus 2026-02-15
$0.26
Output Price per Million Tokens
Gemini 2.5 Pro
$10.00
Qwen3.5 Plus 2026-02-15
$1.56
Want to test both models live?
Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.
Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
Gemini 2.5 Pro Quirks & Gotchas
- ▸Legacy model — migrate to Gemini 3.1 Pro for better tool calling and lower latency
Qwen3.5 Plus 2026-02-15 Quirks & Gotchas
No developer gotchas reported.