DeepSeek-V4-Pro-0813 vs GLM-5.3 Flash: Specs & Benchmark Comparison
DeepSeek-V4-Pro-0813 is developed by DeepSeek, while GLM-5.3 Flash comes from Zhipu AI. Both were released in August 2026. DeepSeek-V4-Pro-0813 is the larger model at roughly 1.6 trillion parameters, against 320 billion for GLM-5.3 Flash.
The two models share 6 published benchmarks. They split them evenly, 3 to 3. The widest gaps are on AutomationBench, where GLM-5.3 Flash scores 48.8% against 31.8%; NL2Repo, where DeepSeek-V4-Pro-0813 scores 61.5% against 56.3%. Averaged across everything we track, DeepSeek-V4-Pro-0813 sits at 60.6% and GLM-5.3 Flash at 64.1%.
GLM-5.3 Flash is the cheaper API at $0.15 per million input tokens and $0.50 per million output tokens, roughly 9 times cheaper than DeepSeek-V4-Pro-0813 at $1.32 and $3.96. Both accept a context window of about 1M tokens. DeepSeek-V4-Pro-0813 accepts text as input, while GLM-5.3 Flash accepts text, images, and video.
| Characteristic | DeepSeek-V4-Pro-0813 | GLM-5.3 Flash |
|---|---|---|
| Company | DeepSeek | Zhipu AI |
| Release Date | August 13, 2026 | August 26, 2026 |
| Parameters | 1.6T | 320B |
| Multimodal | No | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 393K | 131K |
| Input Price / 1M | $1.32 | $0.15 |
| Output Price / 1M | $3.96 | $0.50 |
| Average Score | 60.6% | 64.1% |
| Benchmarks | ||
| AutomationBench | 31.8% | 48.8% |
| NL2Repo | 61.5% | 56.3% |
| Humanity's Last Exam | 60.0% | 55.3% |
| Toolathlon | 74.0% | 78.4% |
| Terminal-Bench 2.1 | 88.0% | 84.3% |
| Agents' Last Exam | 25.7% | 26.3% |
Visual Benchmark Comparison
Verdict
GLM-5.3 Flash leads in 2 out of 4 comparison categories.
Both models show comparable average scores: DeepSeek-V4-Pro-0813 — 0.6, GLM-5.3 Flash — 0.6.
GLM-5.3 Flash is 8.1x cheaper: input $0.15/1M vs $1.32/1M tokens.
GLM-5.3 Flash supports a larger context: 1M vs 1M tokens.
Both models were released around the same time: 8/13/2026 and 8/26/2026.
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Frequently Asked Questions
Which is better for coding — DeepSeek-V4-Pro-0813 or GLM-5.3 Flash?
Which model is cheaper — DeepSeek-V4-Pro-0813 or GLM-5.3 Flash?
Which has a larger context window — DeepSeek-V4-Pro-0813 or GLM-5.3 Flash?
The DeepSeek-V4-Pro-0813 and GLM-5.3 Flash comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the DeepSeek-V4-Pro-0813 or GLM-5.3 Flash page. See also the complete list of AI model comparisons.