Gemini 2.5 Pro Preview 06-05 vs Qwen3.5 Plus 2026-04-20
| Signal | Gemini 2.5 Pro Preview 06-05 | Delta | Qwen3.5 Plus 2026-04-20 |
|---|---|---|---|
Capabilities | 100 | +17 | |
Benchmarks | 80 | +80 | |
Pricing | 90 | -8 | |
Context window size | 96 | +0 | |
Recency | 55 | -45 | |
Output Capacity | 80 | -- | |
| Overall Result | 3 wins | of 6 | 2 wins |
Score History
83.5
current score
Gemini 2.5 Pro Preview 06-05
right now
74.8
current score
Gemini 2.5 Pro Preview 06-05
Qwen3.5 Plus 2026-04-20
Alibaba
Qwen3.5 Plus 2026-04-20 saves you $505.00/month
That's $6060.00/year compared to Gemini 2.5 Pro Preview 06-05 at your current usage level of 100K calls/month.
| Metric | Gemini 2.5 Pro Preview 06-05 | Qwen3.5 Plus 2026-04-20 | Winner |
|---|---|---|---|
| Overall Score | 84 | 75 | Gemini 2.5 Pro Preview 06-05 |
| Rank | #72 | #126 | Gemini 2.5 Pro Preview 06-05 |
| Quality Rank | #72 | #126 | Gemini 2.5 Pro Preview 06-05 |
| Adoption Rank | #72 | #126 | Gemini 2.5 Pro Preview 06-05 |
| Parameters | -- | -- | -- |
| Context Window | 1049K | 1000K | Gemini 2.5 Pro Preview 06-05 |
| Pricing | $1.25/$10.00/M | $0.30/$1.80/M | -- |
| Signal Scores | |||
| Capabilities | 100 | 83 | Gemini 2.5 Pro Preview 06-05 |
| Benchmarks | 80 | -- | Gemini 2.5 Pro Preview 06-05 |
| Pricing | 90 | 98 | Qwen3.5 Plus 2026-04-20 |
| Context window size | 96 | 95 | Gemini 2.5 Pro Preview 06-05 |
| Recency | 55 | 100 | Qwen3.5 Plus 2026-04-20 |
| Output Capacity | 80 | 80 | Gemini 2.5 Pro Preview 06-05 |
Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.
Scores 84/100 (rank #72), placing it in the top 76% of all 290 models tracked.
Scores 75/100 (rank #126), placing it in the top 57% of all 290 models tracked.
Gemini 2.5 Pro Preview 06-05 has a 9-point advantage, which typically translates to noticeably better performance on complex reasoning, code generation, and multi-step tasks.
Choose Gemini 2.5 Pro Preview 06-05 when you need:
- Step-by-step reasoning and chain-of-thought problem solving
Choose Qwen3.5 Plus 2026-04-20 when you need:
- High-volume production workloads where API costs must be minimized
- Step-by-step reasoning and chain-of-thought problem solving
Qwen3.5 Plus 2026-04-20 offers 81% better value per quality point. At 1M tokens/day, you'd spend $31.50/month with Qwen3.5 Plus 2026-04-20 vs $168.75/month with Gemini 2.5 Pro Preview 06-05 - a $137.25 monthly difference.
Both models have comparable response speeds. For most applications, the latency difference is negligible.
When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.
Code generation & review
Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring
Customer support chatbot
Suitable for user-facing chat with competitive response times. Qwen3.5 Plus 2026-04-20 also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (1049K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($1.80/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (84/100) correlates with better nuance, coherence, and style in long-form content
Image understanding & OCR
Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly
Gemini 2.5 Pro Preview 06-05 has a moderate advantage with a 8.700000000000003-point lead in composite score. It wins on more signal dimensions, but Qwen3.5 Plus 2026-04-20 has specific strengths that could make it the better choice for certain workflows.
By Use Case
Best for Quality
Gemini 2.5 Pro Preview 06-05
Marginally better benchmark scores; both are excellent
Best for Cost
Qwen3.5 Plus 2026-04-20
81% lower pricing; better value at scale
Best for Reliability
Gemini 2.5 Pro Preview 06-05
Higher uptime and faster response speeds
Best for Prototyping
Gemini 2.5 Pro Preview 06-05
Stronger community support and better developer experience
Best for Production
Gemini 2.5 Pro Preview 06-05
Wider enterprise adoption and proven at scale
by Google
- Choose for Quality - Marginally better benchmark scores; both are excellent
- Choose for Reliability - Higher uptime and faster response speeds
- Choose for Prototyping - Stronger community support and better developer experience
- Choose for Production - Wider enterprise adoption and proven at scale
| Capability | Gemini 2.5 Pro Preview 06-05 | Qwen3.5 Plus 2026-04-20 |
|---|---|---|
| Vision (Image Input) | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoning | ||
| Web Searchdiffers | ||
| Image Output |
Gemini 2.5 Pro Preview 06-05
Qwen3.5 Plus 2026-04-20
Alibaba
Qwen3.5 Plus 2026-04-20 saves you $11.55/month
That's 81% cheaper than Gemini 2.5 Pro Preview 06-05 at 1,000 tokens/request and 100 requests/day.
Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.
| Parameter | Gemini 2.5 Pro Preview 06-05 | Qwen3.5 Plus 2026-04-20 |
|---|---|---|
| Context Window | 1.0M | 1M |
| Max Output Tokens | 65,536 | 65,536 |
| Open Source | No | No |
| Created | Jun 5, 2025 | Apr 27, 2026 |