Pairwise benchmark snapshot · Aug 17, 2026
In this head-to-head showdown, GLM-5.2 delivers higher overall intelligence and human-preferred responses (Elo 1,492 vs 1,490), while DeepSeek V4 Flash leads in SWE-bench software engineering benchmarks (71.2%), while DeepSeek V4 Flash is more budget-friendly at $0.28/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.
10 direct benchmark disciplines evaluated across capability, speed, and cost
DeepSeek Jul 31 2026 price-performance SKU. Public listings put it near $0.14/$0.28 per 1M tokens.
Zhipu flagship. Strong Chinese/English coding and agents.
Currently comparing DeepSeek V4 Flash vs GLM-5.2. Alternative family tiers available.
Δ 2 Arena Elo pts
142 tok/s
$0.28 / 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 V4 Flash | GLM-5.2 | Advantage Delta |
|---|---|---|---|
| Preference Elo | +2 | ||
| Coding Elo | +12 | ||
| LiveBench | +2.6% | ||
| SWE-bench | +1.9% | ||
| GPQA Diamond | +2.1% | ||
| Time to first token | +105 ms | ||
| Output speed | 142 tok/s | 84 tok/s | +58 tok/s |
| Input price | $0.14/1M | $1.19/1M | +$1.05/1M |
| Output price | $0.28/1M | $3.74/1M | +$3.46/1M |
| Context window | +262k |
Simulate monthly production API costs in USD (US Dollar).
DeepSeek V4 Flash is estimated to save $88.65/month ($1,064/year).
Higher SWE-bench (71.2%).
Lower output list price ($0.28/1M).
Lower TTFT (165 ms).
Larger window (1.3M).
GLM-5.2 is the side marked multimodal in the catalog.
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | DeepSeek V4 Flash | Higher SWE-bench (71.2%). |
| High-volume chat | DeepSeek V4 Flash | Lower output list price ($0.28/1M). |
| Voice / low-latency UI | DeepSeek V4 Flash | Lower TTFT (165 ms). |
| Long-document RAG | DeepSeek V4 Flash | Larger window (1.3M). |
| Screenshots / vision | GLM-5.2 | GLM-5.2 is the side marked multimodal in the catalog. |
GLM-5.2 undercuts GLM 5V Turbo by 74.2% on input at $0.31/1M, with 1,492 Elo and 69.3% SWE-bench in dated 2026 snapshots.
Public listings put Flash near $0.14/$0.28 per 1M. That is a batch SKU, not a chatbot crown.
Strong Chinese/English coding. 5.3 is the new row; 5.2 stays so the delta is visible.
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Verified Head-to-Head Telemetry
