Pairwise benchmark snapshot · Aug 16, 2026
In this head-to-head showdown, GLM-5.3 delivers higher overall intelligence and human-preferred responses (Elo 1,558 vs 1,310), while GLM-5.3 leads in SWE-bench software engineering benchmarks (76.4%), while DeepSeek V3 is more budget-friendly at $1.1/1M per 1M output tokens, while GLM-5.3 provides faster response streaming (90 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
Prior DeepSeek flagship. Baseline for v3 vs v4.
Z.ai Aug 14 2026 post-train of the GLM-5.2 744B base. Coding-plan live; open weights promised after a two-week safety review (z.ai/blog/glm-5.3).
Δ 248 Arena Elo pts
90 tok/s
$1.1 / 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 | GLM-5.3 | Advantage Delta |
|---|---|---|---|
| Preference Elo | +248 | ||
| Coding Elo | — | — | |
| LiveBench | +15.4% | ||
| SWE-bench | +27.8% | ||
| GPQA Diamond | +24.1% | ||
| Time to first token | +125 ms | ||
| Output speed | 66 tok/s | 90 tok/s | +24 tok/s |
| Input price | $0.27/1M | +$0.23/1M | |
| Output price | $1.1/1M | +$0.7/1M | |
| Context window | +72k |
Simulate monthly production API costs in USD (US Dollar).
DeepSeek V3 is estimated to save $18.55/month ($223/year).
Higher SWE-bench (76.4%).
Lower output list price ($1.1/1M).
Lower TTFT (255 ms).
Larger window (200k).
GLM-5.3 is the side marked multimodal in the catalog.
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | GLM-5.3 | Higher SWE-bench (76.4%). |
| High-volume chat | DeepSeek V3 | Lower output list price ($1.1/1M). |
| Voice / low-latency UI | GLM-5.3 | Lower TTFT (255 ms). |
| Long-document RAG | GLM-5.3 | Larger window (200k). |
| Screenshots / vision | GLM-5.3 | GLM-5.3 is the side marked multimodal in the catalog. |
Coding-plan live; open weights promised after a two-week safety review. Newest Zhipu row.
Strong Chinese/English coding. 5.3 is the new row; 5.2 stays so the delta is visible.
No comments posted on this matchup yet. Be the first to share an evaluation note!
Dynamic OpenGraph banner generated at /compare/deepseek-v3-vs-glm-5-3/opengraph-image
Verified Head-to-Head Telemetry
