DeepSeek V4.1 Flash (1017) vs Kimi K3: price, context window and capabilities
DeepSeek V4.1 Flash (1017, deepseek/deepseek-v4.1-flash-1017) from DeepSeek and Kimi K3 (moonshotai/kimi-k3) from MoonshotAI are both multimodal language models on the OceanToken API. DeepSeek V4.1 Flash costs less per token than Kimi K3: $0.21 against $3.00 per 1M input tokens (93% less) and $0.84 against $15.00 per 1M output tokens (94% less). Both have a 1.05M-token context window (1,048,576 tokens). Both support tool calling, reasoning, structured outputs and image input; only Kimi K3 also lists video input.
Side by side
| Spec | DeepSeek V4.1 Flash −40% | Kimi K3 |
|---|---|---|
| Model | DeepSeek V4.1 Flash (1017)deepseek/ | Kimi K3moonshotai/ |
| Publisher | DeepSeek | MoonshotAI |
| Kind | Text & vision | Text, vision & video |
| Context window | 1.05M tokens1,048,576 | 1.05M tokens1,048,576 |
| Input price | $0.21 / 1M tokens | $3.00 / 1M tokens |
| Output price | $0.84 / 1M tokens | $15.00 / 1M tokens |
| Cached input price | $0.006 / 1M tokens | $0.30 / 1M tokens |
| Discount (vs official, top tier) | −40% | — |
| Inputs | text and images | text, images and video |
| Outputs | text | text |
| Tool calling | Yes | Yes |
| Reasoning | Yes | Yes |
| Structured outputs | Yes | Yes |
About these prices
Which should you choose?
- Choose DeepSeek V4.1 Flash to spend less per token: 93% less for input and 94% less for output than Kimi K3.
- Context size does not separate them: both hold about 1.05M tokens.
- Choose Kimi K3 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 DeepSeek V4.1 Flash Kimi K3
Frequently asked questions
Which is cheaper, DeepSeek V4.1 Flash or Kimi K3?
DeepSeek V4.1 Flash. DeepSeek V4.1 Flash costs less per token than Kimi K3: $0.21 against $3.00 per 1M input tokens (93% less) and $0.84 against $15.00 per 1M output tokens (94% less). These are OceanToken starting prices per use; the OceanToken console always shows the current price.
Which has the larger context window, DeepSeek V4.1 Flash or Kimi K3?
Neither. Both have a 1.05M-token context window (1,048,576 tokens).
Can I call both DeepSeek V4.1 Flash and Kimi K3 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 deepseek/deepseek-v4.1-flash-1017 or moonshotai/kimi-k3.
Models and publishers
DeepSeek V4.1 Flash · Kimi K3 · All DeepSeek models · All MoonshotAI models
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