DeepSeek V4.1 Flash vs Qwen3.8 Flash pricing
- For the Chatbot workload, Qwen3.8 Flash costs 2.3× less than DeepSeek V4.1 Flash.
- For the RAG workload, Qwen3.8 Flash costs 2.1× less than DeepSeek V4.1 Flash.
- For the Coding agent workload, Qwen3.8 Flash costs 1.8× less than DeepSeek V4.1 Flash.
Prices
| USD per 1M tokens | DeepSeek V4.1 Flash | Qwen3.8 Flash |
|---|---|---|
| Input | $0.30 | $0.15 |
| Output | $1.20 | $0.47 |
| Cache read | $0.006 | $0.016 |
| Cache write | Not published | $0.20 |
| 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
Alibaba'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 | Qwen3.8 Flash |
|---|---|---|
| Chatbot1,000 in / 500 out tokens, 10,000 requests a day | $270.00/mo | $115.50/mo |
| RAG8,000 in / 500 out tokens, 5,000 requests a day | $450.00/mo | $215.25/mo |
| Coding agent50,000 in / 2,000 out tokens, 1,000 requests a day, 80% cached input | $169.20/mo | $92.40/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 | Qwen3.8 Flash | |
|---|---|---|
| Context | 1,000,000 tokens | 1,000,000 tokens |
| Max output | 393,216 tokens | 131,072 tokens |
| Input | text, image | text, image, video |
| Tool calling | Yes | Yes |
| Reasoning | Yes | Yes |
| Structured outputs | Yes | Yes |
Questions
- What is the price difference between DeepSeek V4.1 Flash and Qwen3.8 Flash?
- DeepSeek V4.1 Flash: $0.30 per 1M input tokens and $1.20 per 1M output tokens. Qwen3.8 Flash: $0.15 per 1M input tokens and $0.47 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 $115.50 for Qwen3.8 Flash.
- Which has the longer context window, DeepSeek V4.1 Flash or Qwen3.8 Flash?
- Both accept up to 1,000,000 tokens of context.
- Do DeepSeek V4.1 Flash and Qwen3.8 Flash have prompt caching and batch prices?
- DeepSeek V4.1 Flash: cached input $0.006 per 1M tokens; no batch price published. Qwen3.8 Flash: cached input $0.016 per 1M tokens; no batch price published.