Pairwise benchmark snapshot · Aug 1, 2026
In this head-to-head showdown, Doubao Lite 1.5 delivers higher overall intelligence and human-preferred responses (Elo 1,360 vs 1,310), while DeepSeek V3 leads in SWE-bench software engineering benchmarks (48.6%), while Doubao Lite 1.5 is more budget-friendly at $0.1/1M 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
Prior DeepSeek flagship. Baseline for v3 vs v4.
ByteDance high-speed lightweight model priced at sub-cent levels.
Δ 50 Arena Elo pts
180 tok/s
$0.1 / 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 | DeepSeek V3 | Doubao Lite 1.5 | Advantage Delta |
|---|---|---|---|
| Preference Elo | +50 | ||
| Coding Elo | — | — | |
| LiveBench | +1.4% | ||
| SWE-bench | +2.6% | ||
| GPQA Diamond | +5.1% | ||
| Time to first token | +270 ms | ||
| Output speed | 66 tok/s | 180 tok/s | +114 tok/s |
| Input price | $0.27/1M | $0.04/1M | +$0.23/1M |
| Output price | $1.1/1M | $0.1/1M | +$1/1M |
| Context window | +95k |
Simulate monthly production API costs in USD (US Dollar).
Doubao Lite 1.5 is estimated to save $23.05/month ($277/year).
Higher SWE-bench (48.6%).
Lower output list price ($0.1/1M).
Lower TTFT (110 ms).
Larger window (128k).
Doubao Lite 1.5 is the side marked multimodal in the catalog.
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | DeepSeek V3 | Higher SWE-bench (48.6%). |
| High-volume chat | Doubao Lite 1.5 | Lower output list price ($0.1/1M). |
| Voice / low-latency UI | Doubao Lite 1.5 | Lower TTFT (110 ms). |
| Long-document RAG | DeepSeek V3 | Larger window (128k). |
| Screenshots / vision | Doubao Lite 1.5 | Doubao Lite 1.5 is the side marked multimodal in the catalog. |
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Verified Head-to-Head Telemetry
