GPT-5.2-Codex is an upgraded version of GPT-5.1-Codex optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
Model details →OpenAI: GPT-5.2-Codex 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-5.2-Codex | 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-5.2-Codex |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $1.75 | $1.00 | 🏆 SpaceXAI: Grok Build 0.1 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $14.00 | $2.00 | 🏆 SpaceXAI: Grok Build 0.1 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| 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-5.2-Codex 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-5.2-Codex and SpaceXAI: Grok Build 0.1?
Input: $1.75 vs $1.00 per 1M tokens. Output: $14.00 vs $2.00 per 1M tokens.
What context windows do OpenAI: GPT-5.2-Codex and SpaceXAI: Grok Build 0.1 support?
OpenAI: GPT-5.2-Codex supports up to 400K tokens. SpaceXAI: Grok Build 0.1 supports up to 256K tokens.
Do both OpenAI: GPT-5.2-Codex and SpaceXAI: Grok Build 0.1 support tool calling?
OpenAI: GPT-5.2-Codex: yes. SpaceXAI: Grok Build 0.1: yes.
Compare OpenAI: GPT-5.2-Codex with other models
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