Pairwise benchmark snapshot · Aug 1, 2026
In this head-to-head showdown, Claude 3.5 Sonnet delivers higher overall intelligence and human-preferred responses (Elo 1,280 vs 1,260), while Claude 3.5 Sonnet leads in SWE-bench software engineering benchmarks (49%), while Gemini 1.5 Pro is more budget-friendly at $5/1M per 1M output tokens, while Claude 3.5 Sonnet provides faster response streaming (80 tok/s). 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
2024 workhorse. Still a high-intent compare against GPT-4o.
First million-token Gemini Pro. Baseline for 1.5 vs 2.5 vs 3.x Pro.
Δ 20 Arena Elo pts
80 tok/s
$5 / 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 3.5 Sonnet | Gemini 1.5 Pro | Advantage Delta |
|---|---|---|---|
| Preference Elo | +20 | ||
| LiveBench | +2.9% | ||
| SWE-bench | +11% | ||
| GPQA Diamond | +7% | ||
| Time to first token | +40 ms | ||
| Output speed | 80 tok/s | 70 tok/s | +10 tok/s |
| Input price | $1.25/1M | +$1.75/1M | |
| Output price | +$10/1M | ||
| Context window | +1.8M |
Simulate monthly production API costs in USD (US Dollar).
Gemini 1.5 Pro is estimated to save $211.25/month ($2,535/year).
Higher SWE-bench (49%).
Lower output list price ($5/1M).
Lower TTFT (240 ms).
Larger window (2M).
Both accept images. Defaulting to the higher-Elo side (Claude 3.5 Sonnet).
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | Claude 3.5 Sonnet | Higher SWE-bench (49%). |
| High-volume chat | Gemini 1.5 Pro | Lower output list price ($5/1M). |
| Voice / low-latency UI | Gemini 1.5 Pro | Lower TTFT (240 ms). |
| Long-document RAG | Gemini 1.5 Pro | Larger window (2M). |
| Screenshots / vision | Claude 3.5 Sonnet | Both accept images. Defaulting to the higher-Elo side (Claude 3.5 Sonnet). |
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Verified Head-to-Head Telemetry