GPT-5 Image Mini combines OpenAI's advanced language capabilities, powered by [GPT-5 Mini](https://openrouter.ai/openai/gpt-5-mini), with GPT Image 1 Mini for efficient image generation. This natively multimodal model features superior inst…
Model details →OpenAI: GPT-5 Image Mini vs SpaceXAI: Grok Build 0.1
SpaceXAI: Grok Build 0.1 wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
Grok Build 0.1 is SpaceXAI’s fast coding model trained specifically for agentic software engineering workflows. It supports text and image inputs with text output, and is optimized for interactive coding...
Model details →Side-by-side comparison
| Capability | OpenAI: GPT-5 Image Mini | SpaceXAI: Grok Build 0.1 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 400K | 256K | 🏆 OpenAI: GPT-5 Image Mini |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.50 | $1.00 | 🏆 SpaceXAI: Grok Build 0.1 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $2.00 | $2.00 | Tie |
| Tool / function calling First-class support for emitting structured tool calls. | — | Yes | 🏆 SpaceXAI: Grok Build 0.1 |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is OpenAI: GPT-5 Image Mini better than SpaceXAI: Grok Build 0.1?
SpaceXAI: Grok Build 0.1 wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between OpenAI: GPT-5 Image Mini and SpaceXAI: Grok Build 0.1?
Input: $2.50 vs $1.00 per 1M tokens. Output: $2.00 vs $2.00 per 1M tokens.
What context windows do OpenAI: GPT-5 Image Mini and SpaceXAI: Grok Build 0.1 support?
OpenAI: GPT-5 Image Mini supports up to 400K tokens. SpaceXAI: Grok Build 0.1 supports up to 256K tokens.
Do both OpenAI: GPT-5 Image Mini and SpaceXAI: Grok Build 0.1 support tool calling?
OpenAI: GPT-5 Image Mini: not advertised. SpaceXAI: Grok Build 0.1: yes.