The gpt-audio model is OpenAI's first generally available audio model. The new snapshot features an upgraded decoder for more natural sounding voices and maintains better voice consistency. Audio is priced...
Model details →OpenAI: GPT Audio vs xAI: Grok 3
OpenAI: GPT Audio wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
Grok 3 is the latest model from xAI. It's their flagship model that excels at enterprise use cases like data extraction, coding, and text summarization. Possesses deep domain knowledge in finance, healthcare, law, and science.
Model details →Side-by-side comparison
| Capability | OpenAI: GPT Audio | xAI: Grok 3 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 128K | 131K | 🏆 xAI: Grok 3 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.50 | $3.00 | 🏆 OpenAI: GPT Audio |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $10.00 | $15.00 | 🏆 OpenAI: GPT Audio |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | — | — | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | — | Tie |
Frequently asked questions
Is OpenAI: GPT Audio better than xAI: Grok 3?
OpenAI: GPT Audio wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between OpenAI: GPT Audio and xAI: Grok 3?
Input: $2.50 vs $3.00 per 1M tokens. Output: $10.00 vs $15.00 per 1M tokens.
What context windows do OpenAI: GPT Audio and xAI: Grok 3 support?
OpenAI: GPT Audio supports up to 128K tokens. xAI: Grok 3 supports up to 131K tokens.
Do both OpenAI: GPT Audio and xAI: Grok 3 support tool calling?
OpenAI: GPT Audio: yes. xAI: Grok 3: yes.