Pairwise benchmark snapshot · Aug 17, 2026
In this head-to-head showdown, DeepSeek Coder V2 delivers higher overall intelligence and human-preferred responses (Elo 1,365 vs 1,280), while DeepSeek Coder V2 leads in SWE-bench software engineering benchmarks (60.5%), while DeepSeek Coder V2 is more budget-friendly at $0.28/1M 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 benchmarks evaluated across capability, speed, and cost
2024 workhorse. Still a high-intent compare against GPT-4o.
DeepSeek open-weight Mixture-of-Experts coding model supporting 338 programming languages and 128k context.
Δ 85 Arena Elo pts
80 tok/s
$0.28 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Comparing top standard models across 6 key capability 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 | DeepSeek Coder V2 | Advantage Delta |
|---|---|---|---|
| Preference Elo | +85 | ||
| Coding Elo | — | — | |
| LiveBench | +6.5% | ||
| SWE-bench | +11.5% | ||
| GPQA Diamond | +5.2% | ||
| Time to first token | +10 ms | ||
| Output speed | 80 tok/s | 75 tok/s | +5 tok/s |
| Input price | $0.14/1M | +$2.86/1M | |
| Output price | $0.28/1M | +$14.72/1M | |
| Context window | +72k |
Simulate monthly production API costs in USD (US Dollar).
DeepSeek Coder V2 is estimated to save $320.90/month ($3,851/year).
Higher SWE-bench (60.5%).
Lower output list price ($0.28/1M).
Lower TTFT (280 ms).
Larger window (200k).
Claude 3.5 Sonnet is the side marked multimodal in the catalog.
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | DeepSeek Coder V2 | Higher SWE-bench (60.5%). |
| High-volume chat | DeepSeek Coder V2 | Lower output list price ($0.28/1M). |
| Voice / low-latency UI | Claude 3.5 Sonnet | Lower TTFT (280 ms). |
| Long-document RAG | Claude 3.5 Sonnet | Larger window (200k). |
| Screenshots / vision | Claude 3.5 Sonnet | Claude 3.5 Sonnet is the side marked multimodal in the catalog. |
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