Qwen3.8 Flash vs DeepSeek V4.1 Flash: price, context window and capabilities
Qwen3.8 Flash (qwen/qwen3.8-flash) from Qwen and DeepSeek V4.1 Flash (deepseek/deepseek-v4.1-flash) from DeepSeek are both multimodal language models on the OceanToken API. Qwen3.8 Flash costs less per token than DeepSeek V4.1 Flash: $0.143 against $0.21 per 1M input tokens (32% less) and $0.447 against $0.84 per 1M output tokens (47% less). DeepSeek V4.1 Flash has the larger context window: 1.05M tokens (1,048,576) against 984K (983,616) for Qwen3.8 Flash. Both support tool calling, reasoning, structured outputs and image input; only Qwen3.8 Flash also lists video input.
Side by side
| Spec | Qwen3.8 Flash −25% | DeepSeek V4.1 Flash −40% |
|---|---|---|
| Model | Qwen3.8 Flashqwen/ | DeepSeek V4.1 Flashdeepseek/ |
| Publisher | Qwen | DeepSeek |
| Kind | Text, vision & video | Text & vision |
| Context window | 984K tokens983,616 | 1.05M tokens1,048,576 |
| Input price | $0.143 / 1M tokens | $0.21 / 1M tokens |
| Output price | $0.447 / 1M tokens | $0.84 / 1M tokens |
| Cached input price | $0.016 / 1M tokens | $0.006 / 1M tokens |
| Cache write price | $0.20 / 1M tokens | – |
| Discount (vs official, top tier) | −25% | −40% |
| Inputs | text, images and video | text and images |
| Outputs | text | text |
| Tool calling | Yes | Yes |
| Reasoning | Yes | Yes |
| Structured outputs | Yes | Yes |
About these prices
Which should you choose?
- Choose Qwen3.8 Flash to spend less per token: 32% less for input and 47% less for output than DeepSeek V4.1 Flash.
- Choose DeepSeek V4.1 Flash for the longest inputs: its context window holds 1.05M tokens against 984K for Qwen3.8 Flash.
- Choose Qwen3.8 Flash if you need video input: DeepSeek V4.1 Flash does not list it.
- Not sure? Call both with the same OceanToken API key and compare them on your own prompts; each request is billed per use from one prepaid balance.
Get API Key Qwen3.8 Flash DeepSeek V4.1 Flash
Frequently asked questions
Which is cheaper, Qwen3.8 Flash or DeepSeek V4.1 Flash?
Qwen3.8 Flash. Qwen3.8 Flash costs less per token than DeepSeek V4.1 Flash: $0.143 against $0.21 per 1M input tokens (32% less) and $0.447 against $0.84 per 1M output tokens (47% less). These are OceanToken starting prices per use; the OceanToken console always shows the current price.
Which has the larger context window, Qwen3.8 Flash or DeepSeek V4.1 Flash?
DeepSeek V4.1 Flash. DeepSeek V4.1 Flash has the larger context window: 1.05M tokens (1,048,576) against 984K (983,616) for Qwen3.8 Flash.
Can I call both Qwen3.8 Flash and DeepSeek V4.1 Flash with one API key?
Yes. Both are on the OceanToken API at https://api.oceantoken.ai/v1: one API key and one prepaid balance call either model. Send the model id qwen/qwen3.8-flash or deepseek/deepseek-v4.1-flash.
Models and publishers
Qwen3.8 Flash · DeepSeek V4.1 Flash · All Qwen models · All DeepSeek models
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