Pairwise benchmark snapshot · Aug 17, 2026
In this head-to-head showdown, Qwen 2.5 Plus delivers higher overall intelligence and human-preferred responses (Elo 1,445 vs 1,260), while Qwen 2.5 Plus leads in SWE-bench software engineering benchmarks (59.2%), while Qwen 2.5 Plus is more budget-friendly at $1/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.
First million-token Gemini Pro. Baseline for 1.5 vs 2.5 vs 3.x Pro.
Alibaba balanced flagship API model with high-throughput general reasoning.
Δ 185 Arena Elo pts
110 tok/s
$1 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Each spoke is a skill. Farther from the center is better (0–100th percentile). Tap any dot to inspect details.
Category wins across reasoning intelligence, generation speed, and token cost.
Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy
Generation throughput and time to first token responsiveness
Cost per million tokens and max context window length
| Benchmark | Gemini 1.5 Pro | Qwen 2.5 Plus | Advantage Delta |
|---|---|---|---|
| Preference Elo | Qwen 2.5 Plus (+185) | ||
| Coding Elo | — | — | |
| LiveBench | Qwen 2.5 Plus (+14.3%) | ||
| SWE-bench | Qwen 2.5 Plus (+21.2%) | ||
| GPQA Diamond | Qwen 2.5 Plus (+17.8%) | ||
| Time to first token | Qwen 2.5 Plus (+60 ms) | ||
| Output speed | 70 tok/s | 110 tok/s | Qwen 2.5 Plus (+40 tok/s) |
| Input price | $1.25/1M | $0.25/1M | Qwen 2.5 Plus (+$1/1M) |
| Output price | Qwen 2.5 Plus (+$4/1M) | ||
| Context window | Gemini 1.5 Pro (+1.9M) |
Simulate monthly production API costs in USD (US Dollar).
Qwen 2.5 Plus is estimated to save $95.00/month ($1,140/year).
Higher SWE-bench (59.2%).
Lower output list price ($1/1M).
Lower TTFT (180 ms).
Larger window (2M).
Both accept images. Defaulting to the higher-Elo side (Qwen 2.5 Plus).
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | Qwen 2.5 Plus | Higher SWE-bench (59.2%). |
| High-volume chat | Qwen 2.5 Plus | Lower output list price ($1/1M). |
| Voice / low-latency UI | Qwen 2.5 Plus | Lower TTFT (180 ms). |
| Long-document RAG | Gemini 1.5 Pro | Larger window (2M). |
| Screenshots / vision | Qwen 2.5 Plus | Both accept images. Defaulting to the higher-Elo side (Qwen 2.5 Plus). |
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The real PNG is generated at /compare/gemini-1-5-pro-vs-qwen-2-5-plus/opengraph-image for crawlers.
Verified head-to-head card
