Last checked 27 Oct 2026
DeepSeek Flash vs Mistral Small 4
DeepSeek Flash is billed by DeepSeek. Mistral Small 4 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 Mistral Small 4 (Mistral, Standard). Provider pages: DeepSeek and Mistral.
| Field | DeepSeek Flash | Mistral Small 4 |
|---|---|---|
| Input / 1M | $0.15 | $0.15 |
| Cached input / 1M | $0.003 | $0.015 |
| Output / 1M | $0.60 | $0.60 |
| Rate | Off-peak | Standard |
| Context | 1M | 256k |
| Max output | 384k | n/a |
| Status | Active | Active |
| Modalities | text, image → text | text, image → text |
| Released | n/a | 16 Mar 2026 |
| Checked | 27 Oct 2026 | 27 Oct 2026 |
| Per request | $0.00078 | $0.00078 |
| Per month | $23.40 | $23.40 |
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). Mistral Small 4 is $0.00078 per request and $23.40 per month ($9.00 input and $14.40 output over the month).
On this sample the two stored rates cost the same amount.
Open DeepSeek Flash in the calculatorOpen Mistral Small 4 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.
Mistral Small 4
Standard
Standard USD rates from the API pricing table, including cached input at $0.015. The model card lists a 256k context window, text and image input, text output, GA status, and the date 16 March 2026. Max output was not listed.