DeepSeek-V4-Flash-Vision-Exp vs GLM-5.3: Specs & Benchmark Comparison
DeepSeek-V4-Flash-Vision-Exp is developed by DeepSeek, while GLM-5.3 comes from Zhipu AI. Both were released in August 2026. GLM-5.3 has a published size of about 753 billion parameters; DeepSeek has not disclosed the parameter count of DeepSeek-V4-Flash-Vision-Exp.
The two models share 4 published benchmarks. GLM-5.3 leads on 4 of them. The widest gaps are on AutomationBench, where GLM-5.3 scores 48.2% against 25.7%; Terminal-Bench 2.1, where GLM-5.3 scores 88.0% against 83.9%. Averaged across everything we track, DeepSeek-V4-Flash-Vision-Exp sits at 50.4% and GLM-5.3 at 52.2%.
DeepSeek-V4-Flash-Vision-Exp is the cheaper API at $0.22 per million input tokens and $0.66 per million output tokens, roughly 6 times cheaper than GLM-5.3 at $1.40 and $4.40. Both accept a context window of about 1M tokens. DeepSeek-V4-Flash-Vision-Exp accepts text and images as input, while GLM-5.3 accepts text. On tooling, only GLM-5.3 supports function calling and only GLM-5.3 offers structured output.
| Characteristic | DeepSeek-V4-Flash-Vision-Exp | GLM-5.3 |
|---|---|---|
| Company | DeepSeek | Zhipu AI |
| Release Date | August 21, 2026 | August 14, 2026 |
| Parameters | — | 753B |
| Multimodal | Yes | No |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 393K | 131K |
| Input Price / 1M | $0.22 | $1.40 |
| Output Price / 1M | $0.66 | $4.40 |
| Average Score | 50.4% | 52.2% |
| Benchmarks | ||
| AutomationBench | 25.7% | 48.2% |
| Terminal-Bench 2.1 | 83.9% | 88.0% |
| Agents' Last Exam | 27.3% | 28.5% |
| NL2Repo | 57.7% | 58.0% |
Visual Benchmark Comparison
Verdict
DeepSeek-V4-Flash-Vision-Exp leads in 1 out of 4 comparison categories.
Both models show comparable average scores: DeepSeek-V4-Flash-Vision-Exp — 0.5, GLM-5.3 — 0.5.
DeepSeek-V4-Flash-Vision-Exp is 6.6x cheaper: input $0.22/1M vs $1.40/1M tokens.
Same context size: 1M tokens.
Both models were released around the same time: 8/21/2026 and 8/14/2026.
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Frequently Asked Questions
Which is better for coding — DeepSeek-V4-Flash-Vision-Exp or GLM-5.3?
Which model is cheaper — DeepSeek-V4-Flash-Vision-Exp or GLM-5.3?
Which has a larger context window — DeepSeek-V4-Flash-Vision-Exp or GLM-5.3?
The DeepSeek-V4-Flash-Vision-Exp and GLM-5.3 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-Flash-Vision-Exp or GLM-5.3 page. See also the complete list of AI model comparisons.