GLM 5.3 FlashX vs DeepSeek V4 Flash Latest: pricing comparison
DeepSeek V4 Flash Latest is the cheaper option at $0.01/$0.13 per 1M input/output tokens — GLM 5.3 FlashX ($0.37/$1.25) costs about 37x more per input token. Full spec-by-spec breakdown below.
| GLM 5.3 FlashX | DeepSeek V4 Flash Latest | |
|---|---|---|
| Input /1M tokens | $0.37 | $0.01 |
| Output /1M tokens | $1.25 | $0.13 |
| Cache read /1M | $0.09 | $0.00 |
| Context window | 1.0M | 1.0M |
| Provider | Z-ai | ~deepseek |
| Vision input | Yes | No |
| Released | Sep 2026 | Aug 2026 |
Real workload costs: GLM 5.3 FlashX vs DeepSeek V4 Flash Latest
Cost per single request at common token profiles — the cheapest model for each workload is highlighted.
| Workload | Tokens (in / out) | GLM 5.3 FlashX | DeepSeek V4 Flash Latest |
|---|---|---|---|
| Chatbot message | 500 / 300 | $0.0006 | <$0.0001 |
| RAG query with context | 4,000 / 500 | $0.0021 | $0.0001 |
| Document summarization | 20,000 / 1,000 | $0.0086 | $0.0003 |
| Agent coding session | 100,000 / 5,000 | $0.04 | $0.0016 |
Frequently asked questions
Which is cheaper: GLM 5.3 FlashX vs DeepSeek V4 Flash Latest?
DeepSeek V4 Flash Latest is the cheapest on input tokens at $0.01 per 1M, and DeepSeek V4 Flash Latest is cheapest on output at $0.13 per 1M. GLM 5.3 FlashX costs about 37x more per input token than DeepSeek V4 Flash Latest.
How much does GLM 5.3 FlashX cost per 1M tokens?
GLM 5.3 FlashX costs $0.37 per 1M input tokens and $1.25 per 1M output tokens on the Z-ai API, with a 1.0M-token context window.
How much does DeepSeek V4 Flash Latest cost per 1M tokens?
DeepSeek V4 Flash Latest costs $0.01 per 1M input tokens and $0.13 per 1M output tokens on the ~deepseek API, with a 1.0M-token context window.
What does a typical request cost on GLM 5.3 FlashX vs DeepSeek V4 Flash Latest?
For a typical request with 2,000 input and 500 output tokens: GLM 5.3 FlashX costs $0.0014, DeepSeek V4 Flash Latest costs <$0.0001. At 1,000 requests/day for a month that is $40.95 for GLM 5.3 FlashX vs $2.55 for DeepSeek V4 Flash Latest.
Estimate your own workload with the per-model calculators (GLM 5.3 FlashX, DeepSeek V4 Flash Latest), browse all current prices on the live model pricing dashboard, or run these models head-to-head on a real prompt (free account required). Prices may differ from provider list prices for batch or tiered usage.
Pricing data via the OpenRouter models API.