Goliath 120B vs Google: Gemini 3.1 Pro Preview Custom Tools: Which AI Model Is Better?
Updated March 24, 2026· Based on independent benchmark data
Quick Verdict
Google: Gemini 3.1 Pro Preview Custom Tools is 1.9x cheaper at $2.00/1M tokens vs $3.75/1M.
Head-to-Head Comparison
| Metric | Goliath 120B | Google: Gemini 3.1 Pro Preview Custom Tools |
|---|---|---|
| Intelligence Score | N/A | 57.2 |
| Coding Score | N/A | 55.5 |
| Math Score | N/A | N/A |
| Speed (tok/s) | N/A | 117 tok/s |
| Latency (TTFT) | N/A | 21.91s |
| Input Price / 1M tokens | $3.75 | $2.00 |
| Output Price / 1M tokens | $7.50 | $12 |
| Context Window | 6K | 1.0M |
| Max Output Tokens | 1K | 66K |
| Input Modalities | Text | Text + Audio + Image + Video + File |
| Output Modalities | Text | Text |
| Free Tier | No | No |
Detailed Analysis
Pricing
Google: Gemini 3.1 Pro Preview Custom Tools is more affordable at $2.00/1M input tokens ($12/1M output), while Goliath 120B costs $3.75/1M input ($7.50/1M output). For a typical workload of 100 requests per day at 2,000 tokens each, Goliath 120B would cost approximately $22.50/month vs $12.00/month for Google: Gemini 3.1 Pro Preview Custom Tools in input costs alone.
Context Window
Google: Gemini 3.1 Pro Preview Custom Tools offers a larger context window at 1.0M tokens compared to Goliath 120B's 6K. This means Google: Gemini 3.1 Pro Preview Custom Tools can process roughly 524 pages of text in a single request vs 3 pages for Goliath 120B. For output length, Google: Gemini 3.1 Pro Preview Custom Tools can generate up to 66K tokens per response vs 1K for Goliath 120B.
Best Use Cases
Choose Google: Gemini 3.1 Pro Preview Custom Tools when you need lower cost, larger context window (1.0M).
Choose Google: Gemini 3.1 Pro Preview Custom Tools if:
- ✓Budget is a concern ($2.00/1M vs $3.75/1M)
- ✓You need a larger context window (1.0M vs 6K)
- ✓You need image understanding (Supports image input)
Frequently Asked Questions
Which is cheaper, Goliath 120B or Google: Gemini 3.1 Pro Preview Custom Tools?
Google: Gemini 3.1 Pro Preview Custom Tools is cheaper at $2.00/1M input tokens vs $3.75/1M for Goliath 120B.
Can Goliath 120B process images?
No, Goliath 120B does not support image input. However, Google: Gemini 3.1 Pro Preview Custom Tools does support images.
Which has a larger context window, Goliath 120B or Google: Gemini 3.1 Pro Preview Custom Tools?
Google: Gemini 3.1 Pro Preview Custom Tools has a larger context window at 1.0M compared to Goliath 120B's 6K.
Related Comparisons
Benchmark data by Artificial Analysis
Data last synced: March 24, 2026