Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation …
Model details →Google: Gemini 3.1 Pro Preview vs OpenAI: GPT-4o Audio
Google: Gemini 3.1 Pro Preview wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
The gpt-4o-audio-preview model adds support for audio inputs as prompts. This enhancement allows the model to detect nuances within audio recordings and add depth to generated user experiences. Audio outputs are currently not supported. Aud…
Model details →Side-by-side comparison
| Capability | Google: Gemini 3.1 Pro Preview | OpenAI: GPT-4o Audio | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1.0M | 128K | 🏆 Google: Gemini 3.1 Pro Preview |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.00 | $2.50 | 🏆 Google: Gemini 3.1 Pro Preview |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $12.00 | $10.00 | 🏆 OpenAI: GPT-4o Audio |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | — | 🏆 Google: Gemini 3.1 Pro Preview |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | — | 🏆 Google: Gemini 3.1 Pro Preview |
Frequently asked questions
Is Google: Gemini 3.1 Pro Preview better than OpenAI: GPT-4o Audio?
Google: Gemini 3.1 Pro Preview wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Google: Gemini 3.1 Pro Preview and OpenAI: GPT-4o Audio?
Input: $2.00 vs $2.50 per 1M tokens. Output: $12.00 vs $10.00 per 1M tokens.
What context windows do Google: Gemini 3.1 Pro Preview and OpenAI: GPT-4o Audio support?
Google: Gemini 3.1 Pro Preview supports up to 1.0M tokens. OpenAI: GPT-4o Audio supports up to 128K tokens.
Do both Google: Gemini 3.1 Pro Preview and OpenAI: GPT-4o Audio support tool calling?
Google: Gemini 3.1 Pro Preview: yes. OpenAI: GPT-4o Audio: yes.