Mistral Small 4 vs Grok Build 0.1: price, context window and capabilities
Mistral Small 4 (mistralai/mistral-small-2603) from Mistral and Grok Build 0.1 (x-ai/grok-build-0.1) from SpaceXAI are both multimodal language models on the OceanToken API. Mistral Small 4 costs less per token than Grok Build 0.1: $0.15 against $1.00 per 1M input tokens (85% less) and $0.60 against $2.00 per 1M output tokens (70% less). Mistral Small 4 has the larger context window: 262K tokens (262,144) 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 | Mistral Small 4 | Grok Build 0.1 |
|---|---|---|
| Model | Mistral Small 4mistralai/ | Grok Build 0.1x- |
| Publisher | Mistral | SpaceXAI |
| Kind | Text & vision | Text & vision |
| Context window | 262K tokens262,144 | 256K tokens256,000 |
| Input price | $0.15 / 1M tokens | $1.00 / 1M tokens |
| Output price | $0.60 / 1M tokens | $2.00 / 1M tokens |
| Cached input price | $0.015 / 1M tokens | $0.20 / 1M tokens |
| Web search price | – | $0.005 / search |
| 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 Mistral Small 4 to spend less per token: 85% less for input and 70% less for output than Grok Build 0.1.
- Choose Mistral Small 4 for the longest inputs: its context window holds 262K tokens against 256K for Grok Build 0.1.
- Choose Grok Build 0.1 if you need file input: Mistral Small 4 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 Mistral Small 4 Grok Build 0.1
Frequently asked questions
Which is cheaper, Mistral Small 4 or Grok Build 0.1?
Mistral Small 4. Mistral Small 4 costs less per token than Grok Build 0.1: $0.15 against $1.00 per 1M input tokens (85% less) and $0.60 against $2.00 per 1M output tokens (70% less). These are OceanToken starting prices per use; the OceanToken console always shows the current price.
Which has the larger context window, Mistral Small 4 or Grok Build 0.1?
Mistral Small 4. Mistral Small 4 has the larger context window: 262K tokens (262,144) against 256K (256,000) for Grok Build 0.1.
Can I call both Mistral Small 4 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 mistralai/mistral-small-2603 or x-ai/grok-build-0.1.
Models and publishers
Mistral Small 4 · Grok Build 0.1 · All Mistral models · All SpaceXAI models
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