Pairwise benchmark snapshot · Aug 17, 2026
In this head-to-head showdown, Claude Sonnet 4.5 delivers higher overall intelligence and human-preferred responses (Elo 1,524 vs 1,425), while Claude Sonnet 4.5 leads in SWE-bench software engineering benchmarks (70.1%), while Qwen2.5 Coder 32B Instruct 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.
Workhorse Anthropic model: most of Opus coding quality at a mid-tier price.
Auto-discovered from OpenRouter (qwen/qwen-2.5-coder-32b-instruct). Preview until a second source matches.
Speed, cost, and intelligence tradeoffs across the Anthropic lineup
Δ 99 Arena Elo pts
No latency data
$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 | Claude Sonnet 4.5 | Qwen2.5 Coder 32B Instruct | Advantage Delta |
|---|---|---|---|
| Preference Elo | Claude Sonnet 4.5 (+99) | ||
| Coding Elo | Claude Sonnet 4.5 (+36) | ||
| LiveBench | Claude Sonnet 4.5 (+2.6%) | ||
| SWE-bench | Claude Sonnet 4.5 (+4.9%) | ||
| GPQA Diamond | — | — | |
| Time to first token | — | — | |
| Output speed | 88 tok/s | — | — |
| Input price | $0.66/1M | Qwen2.5 Coder 32B Instruct (+$2.34/1M) | |
| Output price | Qwen2.5 Coder 32B Instruct (+$14/1M) | ||
| Context window | Claude Sonnet 4.5 (+967k) |
Simulate monthly production API costs in USD (US Dollar).
Qwen2.5 Coder 32B Instruct is estimated to save $291.90/month ($3,503/year).
Higher SWE-bench (70.1%).
Lower output list price ($1/1M).
Need TTFT on both sides.
Larger window (1M).
Claude Sonnet 4.5 is the side marked multimodal in the catalog.
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | Claude Sonnet 4.5 | Higher SWE-bench (70.1%). |
| High-volume chat | Qwen2.5 Coder 32B Instruct | Lower output list price ($1/1M). |
| Voice / low-latency UI | insufficient data | Need TTFT on both sides. |
| Long-document RAG | Claude Sonnet 4.5 | Larger window (1M). |
| Screenshots / vision | Claude Sonnet 4.5 | Claude Sonnet 4.5 is the side marked multimodal in the catalog. |
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Verified head-to-head card
