Gemini 3.1 Pro (Preview) vs GPT-4o (Omni)
Compare Gemini 3.1 Pro (Preview) vs GPT-4o (Omni) API pricing, token costs, context windows, and latency. See which model is cheaper and better for your stack.
Gemini 3.1 Pro (Preview) charges $2.00/1M input and $12.00/1M output tokens, compared to GPT-4o (Omni) at $2.50/1M input and $10.00/1M output. Gemini 3.1 Pro (Preview) is 1.3x cheaper on input tokens. In reasoning benchmarks, Neither rated holds the higher AA Intelligence Index rating. For latency-critical streaming, throughput figures are not yet measured for at least one of these models.
Full Metric & Specification Comparison
| Metric | Gemini 3.1 Pro (Preview) | GPT-4o (Omni) | Advantage |
|---|---|---|---|
| Provider | OpenAI | - | |
| Input Token Cost (1M) | $2.000 | $2.500 | Gemini 3.1 Pro (Preview) |
| Output Token Cost (1M) | $12.000 | $10.000 | GPT-4o (Omni) |
| Context Window | 1,000k tokens | 128k tokens | Gemini 3.1 Pro (Preview) |
| AA Intelligence Index | Unrated | Unrated | Unrated |
| Streaming Latency | Fast | Unrated | - |
Key Architectural Takeaways
- Input Token Cost: Gemini 3.1 Pro (Preview) is $2.00/1M vs GPT-4o (Omni) at $2.50/1M
- Output Token Cost: Gemini 3.1 Pro (Preview) is $12.00/1M vs GPT-4o (Omni) at $10.00/1M
- Context Window: Gemini 3.1 Pro (Preview) supports 1,000k tokens vs GPT-4o (Omni) with 128k tokens
- Benchmark Intelligence Rating: not rated for one or both models
- Inference Latency: Gemini 3.1 Pro (Preview) is rated Fast vs GPT-4o (Omni) rated null
Calculate Your Team's Exact Bill Difference
Drag the sliders below to see real-time cost divergences based on your daily token consumption.
Deploying GPT-4o (Omni) over Gemini 3.1 Pro (Preview) saves $7.50/mo ($90/yr) at this volume.
Frequently Asked Questions
Is Gemini 3.1 Pro (Preview) cheaper than GPT-4o (Omni)?
Gemini 3.1 Pro (Preview) is significantly more economical, charging $2.00/1M input compared to $2.50/1M for GPT-4o (Omni).
Which model should I choose for production?
If your primary constraint is API cost and high query throughput, choose Gemini 3.1 Pro (Preview). If you require peak reasoning accuracy and complex tool use, Neither rated is recommended.
How does context window compare between Gemini 3.1 Pro (Preview) and GPT-4o (Omni)?
Gemini 3.1 Pro (Preview) offers the larger context window (1,000k tokens), allowing you to pass significantly larger codebases or documents without chunking.
Related Model Head-to-Head Comparisons
Explore all 100+ comparisonsNever Miss an AI Token Price Cut
Choose which providers to follow. When an alert is dispatched, it is sent through the configured email or webhook provider; the brief below is displayed on this page only.