Gemini 3.1 Pro (Preview) vs Grok 4.7
Compare Gemini 3.1 Pro (Preview) vs Grok 4.7 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 Grok 4.7 at $2.00/1M input and $6.00/1M output. Gemini 3.1 Pro (Preview) is 1.0x cheaper on input tokens. In reasoning benchmarks, Grok 4.7 holds the higher AA Intelligence Index rating. For latency-critical streaming, Gemini 3.1 Pro (Preview) delivers 124 t/s (15.0s TTFT) while Grok 4.7 provides 72 t/s (43.0s TTFT).
Full Metric & Specification Comparison
| Metric | Gemini 3.1 Pro (Preview) | Grok 4.7 | Advantage |
|---|---|---|---|
| Provider | xAI | - | |
| Input Token Cost (1M) | $2.000 | $2.000 | Tie |
| Output Token Cost (1M) | $12.000 | $6.000 | Grok 4.7 |
| Context Window | 1,000k tokens | 500k tokens | Gemini 3.1 Pro (Preview) |
| AA Intelligence Index | Unrated | 35/100 | Unrated |
| Streaming Latency | Fast | Moderate | - |
Key Architectural Takeaways
- Input Token Cost: Gemini 3.1 Pro (Preview) is $2.00/1M vs Grok 4.7 at $2.00/1M
- Output Token Cost: Gemini 3.1 Pro (Preview) is $12.00/1M vs Grok 4.7 at $6.00/1M
- Context Window: Gemini 3.1 Pro (Preview) supports 1,000k tokens vs Grok 4.7 with 500k tokens
- Benchmark Intelligence Rating: not rated for one or both models
- Inference Latency: Gemini 3.1 Pro (Preview) is rated Fast vs Grok 4.7 rated Moderate
Calculate Your Team's Exact Bill Difference
Drag the sliders below to see real-time cost divergences based on your daily token consumption.
Deploying Grok 4.7 over Gemini 3.1 Pro (Preview) saves $45.00/mo ($540/yr) at this volume.
Frequently Asked Questions
Is Gemini 3.1 Pro (Preview) cheaper than Grok 4.7?
Gemini 3.1 Pro (Preview) is significantly more economical, charging $2.00/1M input compared to $2.00/1M for Grok 4.7.
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, Grok 4.7 is recommended.
How does context window compare between Gemini 3.1 Pro (Preview) and Grok 4.7?
Gemini 3.1 Pro (Preview) offers the larger context window (1,000k tokens), allowing you to pass significantly larger codebases or documents without chunking.
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