DeepSeek V4 Flash Vision Exp vs GLM-4.6V
Side-by-side comparison of API pricing, specs, benchmarks, and capabilities
GLM-4.6V is 31.8% cheaper on blended cost ($0.450 vs $0.660/Mtok)
| Specification |
by DeepSeek
|
by Z.AI
|
|---|---|---|
| Overview | ||
| Status | Preview budget | Current budget Open weights |
| Released | Aug 21, 2026 | Mar 1, 2025 |
| Pricing per million tokens | ||
| Input | $0.440/Mtok | $0.300/Mtok |
| Output | $1.32/Mtok | $0.900/Mtok |
| Blended avg | $0.660/Mtok | $0.450/Mtok |
| Cached input | $0.014/Mtok | $0.050/Mtok |
| Price basis | DeepSeek bills this model at TWO rates depending on the hour, on the same schedule and at the same numbers as deepseek-v4-flash. The tracked figure is the PEAK rate: $0.44 input / $0.014 cached input / $1.32 output per 1M tokens. Off-peak is exactly half: $0.22 / $0.007 / $0.66. Peak hours are 01:00-04:00 and 06:00-10:00 UTC; every other hour is off-peak. Peak is the headline because DeepSeek defines off-peak as half of peak rather than the other way round, so peak is the list rate. Image input bills at the same per-token rates once the image is tokenized; DeepSeek's rate card prints no separate per-image charge. | — |
| Specifications | ||
| Context window | 1M tokens | 128K tokens |
| Parameters | Proprietary | Proprietary |
| Speed (TPS) | — | — |
| Modalities | ||
| Input |
textimage
|
textimage
|
| Benchmarks sources: public leaderboards / LMSYS Chatbot Arena (UC Berkeley) | ||
| Independent composite scores each on its own scale — not part of the average above | ||
| AA-Omniscience Index (−100–100) | — | -26.9 |
| LMSYS Chatbot Arena | — | 1377.1 ELO |
| Providers | ||
| Available from |
DeepSeek — $0.440/$1.32/Mtok
|
Z.AI — $0.300/$0.900/Mtok
|
Cost at scale
1M tokens · 50/50 input/output| Volume | DeepSeek V4 Flash Vision Exp | GLM-4.6V | Savings |
|---|---|---|---|
| 1M tokens | $0.66 | $0.45 | $0.21 (31.8%) |
| 10M tokens | $6.6 | $4.5 | $2.1 (31.8%) |
| 100M tokens | $66 | $45 | $21 (31.8%) |
| 1000M tokens | $660 | $450 | $210 (31.8%) |
When to pick which
distilled from the pricing and spec data above
Pick DeepSeek V4 Flash Vision Exp if…
- your workload re-reads context (agents, RAG, long chats): cached input costs $0.014/Mtok — 97% off its list input price
- you need the longer context: 1M tokens vs 128K (7.8×)
Pick GLM-4.6V if…
- cost dominates: $0.450/Mtok blended vs $0.660 — 31.8% less on the same 50/50 token mix
- you want open weights — self-host it, fine-tune it, or exit the API entirely; DeepSeek V4 Flash Vision Exp is closed
Try GLM-4.6V on Z.AI
The cheaper option here — GLM-4.6V costs $0.450/Mtok blended on Z.AI.
Summary
DeepSeek V4 Flash Vision Exp by DeepSeek costs $0.440/Mtok input and $1.32/Mtok output, with a 1M-token context window. It supports text, image input.
GLM-4.6V by Z.AI costs $0.300/Mtok input and $0.900/Mtok output, with a 128K-token context window. It supports text, image input.
On a blended cost basis, GLM-4.6V is 31.8% cheaper than DeepSeek V4 Flash Vision Exp.
Note: Pricing is per million tokens. Actual costs vary with usage patterns, prompt caching, and batch discounts. Always verify against official provider pricing pages.
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