DeepSeek V4.1 Flash (1017) vs Grok Build 0.1: price, context window and capabilities
DeepSeek V4.1 Flash (1017, deepseek/deepseek-v4.1-flash-1017) from DeepSeek and Grok Build 0.1 (x-ai/grok-build-0.1) from SpaceXAI are both multimodal language models on the OceanToken API. DeepSeek V4.1 Flash costs less per token than Grok Build 0.1: $0.21 against $1.00 per 1M input tokens (79% less) and $0.84 against $2.00 per 1M output tokens (58% less). DeepSeek V4.1 Flash has the larger context window: 1.05M tokens (1,048,576) against 256K (256,000) for Grok Build 0.1. Both support tool calling, reasoning, structured outputs and image input; only Grok Build 0.1 also lists file input.
Side by side
| Spec | DeepSeek V4.1 Flash −40% | Grok Build 0.1 |
|---|---|---|
| Model | DeepSeek V4.1 Flash (1017)deepseek/ | Grok Build 0.1x- |
| Publisher | DeepSeek | SpaceXAI |
| Kind | Text & vision | Text & vision |
| Context window | 1.05M tokens1,048,576 | 256K tokens256,000 |
| Input price | $0.21 / 1M tokens | $1.00 / 1M tokens |
| Output price | $0.84 / 1M tokens | $2.00 / 1M tokens |
| Cached input price | $0.006 / 1M tokens | $0.20 / 1M tokens |
| Web search price | – | $0.005 / search |
| Discount (vs official, top tier) | −40% | — |
| Inputs | text and images | text, images and files |
| 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: 79% less for input and 58% less for output than Grok Build 0.1.
- Choose DeepSeek V4.1 Flash for the longest inputs: its context window holds 1.05M tokens against 256K for Grok Build 0.1.
- Choose Grok Build 0.1 if you need file 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 Grok Build 0.1
Frequently asked questions
Which is cheaper, DeepSeek V4.1 Flash or Grok Build 0.1?
DeepSeek V4.1 Flash. DeepSeek V4.1 Flash costs less per token than Grok Build 0.1: $0.21 against $1.00 per 1M input tokens (79% less) and $0.84 against $2.00 per 1M output tokens (58% 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 Grok Build 0.1?
DeepSeek V4.1 Flash. DeepSeek V4.1 Flash has the larger context window: 1.05M tokens (1,048,576) against 256K (256,000) for Grok Build 0.1.
Can I call both DeepSeek V4.1 Flash and Grok Build 0.1 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 x-ai/grok-build-0.1.
Models and publishers
DeepSeek V4.1 Flash · Grok Build 0.1 · All DeepSeek models · All SpaceXAI models
More comparisons
DeepSeek V4.1 Flash vs Claude Opus 5.5 · DeepSeek V4.1 Flash vs Claude Fable 5.1 · DeepSeek V4.1 Flash vs Claude Opus 5 · DeepSeek V4.1 Flash vs GPT-6 Sol · All comparisons