Pairwise benchmark snapshot · Aug 17, 2026
In this head-to-head showdown, Qwen3.8 27B delivers higher overall intelligence and human-preferred responses (Elo 1,398 vs 1,260), while Qwen3.8 27B leads in SWE-bench software engineering benchmarks (58.8%), while Qwen3.8 27B is more budget-friendly at $3.2/1M 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
First million-token Gemini Pro. Baseline for 1.5 vs 2.5 vs 3.x Pro.
Alibaba open-weight 27B drop dated Aug 14 2026. Dense enough to self-host; not a frontier MoE.
Δ 138 Arena Elo pts
152 tok/s
$3.1999999999999997 / 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 | Gemini 1.5 Pro | Qwen3.8 27B | Advantage Delta |
|---|---|---|---|
| Preference Elo | +138 | ||
| Coding Elo | — | — | |
| LiveBench | +11.4% | ||
| SWE-bench | +20.8% | ||
| GPQA Diamond | +15.4% | ||
| Time to first token | +100 ms | ||
| Output speed | 70 tok/s | 152 tok/s | +82 tok/s |
| Input price | $1.25/1M | $0.45/1M | +$0.8/1M |
| Output price | $3.2/1M | +$1.8/1M | |
| Context window | +1.7M |
Simulate monthly production API costs in USD (US Dollar).
Qwen3.8 27B is estimated to save $55.00/month ($660/year).
Higher SWE-bench (58.8%).
Lower output list price ($3.2/1M).
Lower TTFT (140 ms).
Larger window (2M).
Gemini 1.5 Pro is the side marked multimodal in the catalog.
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | Qwen3.8 27B | Higher SWE-bench (58.8%). |
| High-volume chat | Qwen3.8 27B | Lower output list price ($3.2/1M). |
| Voice / low-latency UI | Qwen3.8 27B | Lower TTFT (140 ms). |
| Long-document RAG | Gemini 1.5 Pro | Larger window (2M). |
| Screenshots / vision | Gemini 1.5 Pro | Gemini 1.5 Pro is the side marked multimodal in the catalog. |
No comments posted on this matchup yet. Be the first to share an evaluation note!
Dynamic OpenGraph banner generated at /compare/gemini-1-5-pro-vs-qwen-3-8-27b/opengraph-image
Verified Head-to-Head Telemetry
