Pairwise benchmark snapshot · Aug 1, 2026
In this head-to-head showdown, Qwen 2.5 Plus delivers higher overall intelligence and human-preferred responses (Elo 1,445 vs 1,362), while Claude 3.7 Sonnet leads in SWE-bench software engineering benchmarks (70.3%), 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.
9 direct benchmark disciplines evaluated across capability, speed, and cost
Hybrid-reasoning Sonnet from 2025. Kept for historical compare pages.
Alibaba balanced flagship API model with high-throughput general reasoning.
Simulate accuracy gains vs added response time & token cost
Reasoning models “think before answering” by generating internal reasoning tokens. Higher effort improves math, coding, and logic accuracy, but increases response delay and token costs.
Δ 83 Arena Elo pts
110 tok/s
$1 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Comparing top Western standard models with China's leading frontier rival across 6 skill dimensions. Tap any spoke or dot to inspect.
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 | Claude 3.7 Sonnet | Qwen 2.5 Plus | Advantage Delta |
|---|---|---|---|
| Preference Elo | +83 | ||
| Coding Elo | — | — | |
| LiveBench | +5.1% | ||
| SWE-bench | +11.1% | ||
| GPQA Diamond | +2.7% | ||
| Time to first token | +60 ms | ||
| Output speed | 85 tok/s | 110 tok/s | +25 tok/s |
| Input price | $0.25/1M | +$2.75/1M | |
| Output price | +$14/1M | ||
| Context window | +72k |
Simulate monthly production API costs in USD (US Dollar).
Qwen 2.5 Plus is estimated to save $306.25/month ($3,675/year).
Higher SWE-bench (70.3%).
Lower output list price ($1/1M).
Lower TTFT (180 ms).
Larger window (200k).
Both accept images. Defaulting to the higher-Elo side (Qwen 2.5 Plus).
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | Claude 3.7 Sonnet | Higher SWE-bench (70.3%). |
| 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 | Claude 3.7 Sonnet | Larger window (200k). |
| Screenshots / vision | Qwen 2.5 Plus | Both accept images. Defaulting to the higher-Elo side (Qwen 2.5 Plus). |
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Verified Head-to-Head Telemetry
