DeepSeek V4.1 Flash (1017) vs Grok 4.5: price, context window and capabilities
DeepSeek V4.1 Flash (1017, deepseek/deepseek-v4.1-flash-1017) from DeepSeek and Grok 4.5 (x-ai/grok-4.5) from SpaceXAI are both multimodal language models on the OceanToken API. DeepSeek V4.1 Flash costs less per token than Grok 4.5: $0.21 against $2.00 per 1M input tokens (90% less) and $0.84 against $6.00 per 1M output tokens (86% less). DeepSeek V4.1 Flash has the larger context window: 1.05M tokens (1,048,576) against 500K (500,000) for Grok 4.5. Both support tool calling, reasoning, structured outputs and image input; only Grok 4.5 also lists file input.
Side by side
| Spec | DeepSeek V4.1 Flash −40% | Grok 4.5 |
|---|---|---|
| Model | DeepSeek V4.1 Flash (1017)deepseek/ | Grok 4.5x- |
| Publisher | DeepSeek | SpaceXAI |
| Kind | Text & vision | Text & vision |
| Context window | 1.05M tokens1,048,576 | 500K tokens500,000 |
| Input price | $0.21 / 1M tokens | $2.00 / 1M tokens |
| Output price | $0.84 / 1M tokens | $6.00 / 1M tokens |
| Cached input price | $0.006 / 1M tokens | $0.30 / 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: 90% less for input and 86% less for output than Grok 4.5.
- Choose DeepSeek V4.1 Flash for the longest inputs: its context window holds 1.05M tokens against 500K for Grok 4.5.
- Choose Grok 4.5 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 4.5
Frequently asked questions
Which is cheaper, DeepSeek V4.1 Flash or Grok 4.5?
DeepSeek V4.1 Flash. DeepSeek V4.1 Flash costs less per token than Grok 4.5: $0.21 against $2.00 per 1M input tokens (90% less) and $0.84 against $6.00 per 1M output tokens (86% 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 4.5?
DeepSeek V4.1 Flash. DeepSeek V4.1 Flash has the larger context window: 1.05M tokens (1,048,576) against 500K (500,000) for Grok 4.5.
Can I call both DeepSeek V4.1 Flash and Grok 4.5 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-4.5.
Models and publishers
DeepSeek V4.1 Flash · Grok 4.5 · All DeepSeek models · All SpaceXAI models
More comparisons
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