OpenAI o3-mini-high is the same model as [o3-mini](/openai/o3-mini) with reasoning_effort set to high. o3-mini is a cost-efficient language model optimized for STEM reasoning tasks, particularly excelling in science, mathematics, and codi…
Model details →OpenAI: o3 Mini High vs xAI: Grok 4
OpenAI: o3 Mini High and xAI: Grok 4 are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
Grok 4 is xAI's latest reasoning model with a 256k context window. It supports parallel tool calling, structured outputs, and both image and text inputs. Note that reasoning is not exposed, reasoning cannot be disabled, and the reasoning ef…
Model details →Side-by-side comparison
| Capability | OpenAI: o3 Mini High | xAI: Grok 4 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 200K | 256K | 🏆 xAI: Grok 4 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $1.10 | $3.00 | 🏆 OpenAI: o3 Mini High |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $4.40 | $15.00 | 🏆 OpenAI: o3 Mini High |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | — | Yes | 🏆 xAI: Grok 4 |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is OpenAI: o3 Mini High better than xAI: Grok 4?
OpenAI: o3 Mini High and xAI: Grok 4 are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between OpenAI: o3 Mini High and xAI: Grok 4?
Input: $1.10 vs $3.00 per 1M tokens. Output: $4.40 vs $15.00 per 1M tokens.
What context windows do OpenAI: o3 Mini High and xAI: Grok 4 support?
OpenAI: o3 Mini High supports up to 200K tokens. xAI: Grok 4 supports up to 256K tokens.
Do both OpenAI: o3 Mini High and xAI: Grok 4 support tool calling?
OpenAI: o3 Mini High: yes. xAI: Grok 4: yes.