DeepSeek-V4-Flash-Vision-Exp vs GLM-5.2: Specs & Benchmark Comparison

DeepSeek-V4-Flash-Vision-Exp is developed by DeepSeek, while GLM-5.2 comes from Zhipu AI. GLM-5.2 was released in June 2026, and DeepSeek-V4-Flash-Vision-Exp followed 2 months later in August 2026. GLM-5.2 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 3 published benchmarks. DeepSeek-V4-Flash-Vision-Exp leads on 3 of them. The widest gaps are on DeepSWE, where DeepSeek-V4-Flash-Vision-Exp scores 59.3% against 46.2%; NL2Repo, where DeepSeek-V4-Flash-Vision-Exp scores 57.7% against 48.9%. Averaged across everything we track, DeepSeek-V4-Flash-Vision-Exp sits at 50.4% and GLM-5.2 at 60.9%.

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-5.2 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-5.2 accepts text. On tooling, only GLM-5.2 supports function calling and only GLM-5.2 offers structured output.

CharacteristicDeepSeek-V4-Flash-Vision-ExpGLM-5.2
CompanyDeepSeekZhipu AI
Release DateAugust 21, 2026June 16, 2026
Parameters753B
MultimodalYesNo
Context (input)1.0M1.0M
Context (output)393K131K
Input Price / 1M$0.22$1.40
Output Price / 1M$0.66$4.40
Average Score50.4%60.9%
Benchmarks
DeepSWE59.3%46.2%
NL2Repo57.7%48.9%
Terminal-Bench 2.183.9%82.7%

Visual Benchmark Comparison

DeepSeek-V4-Flash-Vision-Exp
GLM-5.2
DeepSWE0.6 vs 0.5
0.6
0.5
NL2Repo0.6 vs 0.5
0.6
0.5
Terminal-Bench 2.10.8 vs 0.8
0.8
0.8

Verdict

DeepSeek-V4-Flash-Vision-Exp leads in 2 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: DeepSeek-V4-Flash-Vision-Exp — 0.5, GLM-5.2 — 0.6.

API Cost

DeepSeek-V4-Flash-Vision-Exp is 6.6x cheaper: input $0.22/1M vs $1.40/1M tokens.

Context Window

Same context size: 1M tokens.

Recency

DeepSeek-V4-Flash-Vision-Exp is newer: released 8/21/2026 vs 6/16/2026.

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Frequently Asked Questions

Which is better for coding — DeepSeek-V4-Flash-Vision-Exp or GLM-5.2?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — DeepSeek-V4-Flash-Vision-Exp or GLM-5.2?
DeepSeek-V4-Flash-Vision-Exp is cheaper for input: $0.22 per 1M tokens vs $1.40.
Which has a larger context window — DeepSeek-V4-Flash-Vision-Exp or GLM-5.2?
DeepSeek-V4-Flash-Vision-Exp supports a larger context: 1,048,576 tokens vs 1,048,576.

The DeepSeek-V4-Flash-Vision-Exp and GLM-5.2 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-5.2 page. See also the complete list of AI model comparisons.