DeepSeek V4.1 Flash vs Mistral Medium 3.5 pricing
- For the Chatbot workload, DeepSeek V4.1 Flash costs 5.8× less than Mistral Medium 3.5.
- For the RAG workload, DeepSeek V4.1 Flash costs 5.3× less than Mistral Medium 3.5.
- For the Coding agent workload, DeepSeek V4.1 Flash costs 6.4× less than Mistral Medium 3.5.
Prices
| USD per 1M tokens | DeepSeek V4.1 Flash | Mistral Medium 3.5 |
|---|---|---|
| Input | $0.30 | $1.50 |
| Output | $1.20 | $7.50 |
| Cache read | $0.006 | $0.15 |
| Cache write | Not published | Not published |
| Batch input | Not published | Not published |
| Batch output | Not published | Not published |
| Off-peak input | $0.15 | Not published |
| Off-peak output | $0.60 | Not published |
| Off-peak cache read | $0.003 | Not published |
DeepSeek V4.1 Flash: The Input, Output and Cache read rows are the standard (peak) prices; the Off-peak rows apply at other times. Off-peak is every hour outside 01:00–04:00 and 06:00–10:00 UTC on weekdays, plus weekends and Chinese public holidays.
Verified against the provider's official pricing page on Oct 9, 2026. Official pricing page
Mistral's list price for its own API, as compiled by models.dev and checked Oct 10, 2026, 09:00 UTC. Prices on cloud platforms and resellers can differ. Provider documentation
Monthly cost by workload
| Workload | DeepSeek V4.1 Flash | Mistral Medium 3.5 |
|---|---|---|
| Chatbot1,000 in / 500 out tokens, 10,000 requests a day | $270.00/mo | $1,575/mo |
| RAG8,000 in / 500 out tokens, 5,000 requests a day | $450.00/mo | $2,363/mo |
| Coding agent50,000 in / 2,000 out tokens, 1,000 requests a day, 80% cached input | $169.20/mo | $1,080/mo |
Cost = input tokens × input price + output tokens × output price, 30 days a month. Cached input uses the cache read price. Cache write fees are not included.
Context and capabilities
| DeepSeek V4.1 Flash | Mistral Medium 3.5 | |
|---|---|---|
| Context | 1,000,000 tokens | 262,144 tokens |
| Max output | 393,216 tokens | 262,144 tokens |
| Input | text, image | text, image |
| Tool calling | Yes | Yes |
| Reasoning | Yes | Yes |
| Structured outputs | Yes | Yes |
Questions
- What is the price difference between DeepSeek V4.1 Flash and Mistral Medium 3.5?
- DeepSeek V4.1 Flash: $0.30 per 1M input tokens and $1.20 per 1M output tokens. Mistral Medium 3.5: $1.50 per 1M input tokens and $7.50 per 1M output tokens. For the Chatbot workload (1,000 in / 500 out tokens, 10,000 requests a day), that is about $270.00 per month for DeepSeek V4.1 Flash and $1,575 for Mistral Medium 3.5.
- Which has the longer context window, DeepSeek V4.1 Flash or Mistral Medium 3.5?
- DeepSeek V4.1 Flash has the longer context window: up to 1,000,000 tokens, compared with 262,144 for Mistral Medium 3.5.
- Do DeepSeek V4.1 Flash and Mistral Medium 3.5 have prompt caching and batch prices?
- DeepSeek V4.1 Flash: cached input $0.006 per 1M tokens; no batch price published. Mistral Medium 3.5: cached input $0.15 per 1M tokens; no batch price published.