Last checked 28 Oct 2026
DeepSeek Flash vs GLM 5.3 Flash
DeepSeek Flash is billed by DeepSeek. GLM 5.3 Flash is billed by Mistral. A pair is two models from different providers whose higher published input rate is at most 1.5 times the lower one, and whose higher published output rate is at most 1.5 times the lower one. Closer rates are listed first. Each model is in at most 2 pairs, and the list stops at 12. The figures below are the rates stored on those two rows, the differences between them, and the cost of one sample workload. This page does not score quality.
Stored rates
DeepSeek Flash (DeepSeek, Off-peak) and GLM 5.3 Flash (Mistral, Standard). Provider pages: DeepSeek and Mistral.
| Field | DeepSeek Flash | GLM 5.3 Flash |
|---|---|---|
| Input / 1M | $0.15 | $0.15 |
| Cached input / 1M | $0.003 | $0.03 |
| Output / 1M | $0.60 | $0.50 |
| Rate | Off-peak | Standard |
| Context | 1M | 1M |
| Max output | 384k | 128k |
| Status | Active | Active |
| Modalities | text, image → text | n/a |
| Released | n/a | 22 Oct 2026 |
| Checked | 28 Oct 2026 | 28 Oct 2026 |
| Per request | $0.00078 | $0.0007 |
| Per month | $23.40 | $21.00 |
Sample workload
The sample is the calculator's starting workload: 2,000 input tokens and 800 output tokens per request, 1,000 requests a day. A month in the calculator is 30 days, so that is 30,000 requests. The cost uses the stored input and output rates only. Cache hits, batch discounts, long-context surcharges, peak hours, and prices scheduled after an introductory window are not included. The rate label and the notes below name those other published rates.
DeepSeek Flash is $0.00078 per request and $23.40 per month ($9.00 input and $14.40 output over the month). GLM 5.3 Flash is $0.0007 per request and $21.00 per month ($9.00 input and $12.00 output over the month).
GLM 5.3 Flash costs $2.40 less per month than DeepSeek Flash on this sample, using the stored rates above.
Open DeepSeek Flash in the calculatorOpen GLM 5.3 Flash in the calculator
Notes from the sources
DeepSeek Flash
Off-peak
Off-peak cache-miss input, off-peak cache-hit, and off-peak output. Peak is double: $0.30 input, $0.006 cache hit, and $1.20 output per 1M tokens. Peak hours are 01:00–04:00 and 06:00–10:00 UTC, Monday through Friday, excluding Chinese public holidays. Context is published as 1M and max output as 384K. Vision is marked supported. Model version on the page is DeepSeek-V4.1-Flash-1017. A separate release day was not on this page.
GLM 5.3 Flash
Standard
Mistral-billed price for a Z.ai model, not a price billed by Z.ai. The model page publishes the context window as 1M tokens and max output as 128k, and lists status GA. The changelog dates the release 22 October 2026. A modality list was not on the pages checked.