Mancer: Weaver (alpha) 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
Mancer: Weaver (alpha) is 2.7x cheaper at $0.75/1M tokens vs $2.00/1M.
Head-to-Head Comparison
| Metric | Mancer: Weaver (alpha) | 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 | $0.75 | $2.00 |
| Output Price / 1M tokens | $1.00 | $12 |
| Context Window | 8K | 1.0M |
| Max Output Tokens | 2K | 66K |
| Input Modalities | Text | Text + Audio + Image + Video + File |
| Output Modalities | Text | Text |
| Free Tier | No | No |
Detailed Analysis
Pricing
Mancer: Weaver (alpha) is more affordable at $0.75/1M input tokens ($1.00/1M output), while Google: Gemini 3.1 Pro Preview Custom Tools costs $2.00/1M input ($12/1M output). That makes Google: Gemini 3.1 Pro Preview Custom Tools 2.7x more expensive per token, which can add up significantly at scale. For a typical workload of 100 requests per day at 2,000 tokens each, Mancer: Weaver (alpha) would cost approximately $4.50/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 Mancer: Weaver (alpha)'s 8K. This means Google: Gemini 3.1 Pro Preview Custom Tools can process roughly 524 pages of text in a single request vs 4 pages for Mancer: Weaver (alpha). For output length, Google: Gemini 3.1 Pro Preview Custom Tools can generate up to 66K tokens per response vs 2K for Mancer: Weaver (alpha).
Best Use Cases
Choose Mancer: Weaver (alpha) when you need lower cost. Choose Google: Gemini 3.1 Pro Preview Custom Tools when you need larger context window (1.0M).
Choose Mancer: Weaver (alpha) if:
- ✓Budget is a concern ($0.75/1M vs $2.00/1M)
Choose Google: Gemini 3.1 Pro Preview Custom Tools if:
- ✓You need a larger context window (1.0M vs 8K)
- ✓You need image understanding (Supports image input)
Frequently Asked Questions
Which is cheaper, Mancer: Weaver (alpha) or Google: Gemini 3.1 Pro Preview Custom Tools?
Mancer: Weaver (alpha) is cheaper at $0.75/1M input tokens vs $2.00/1M for Google: Gemini 3.1 Pro Preview Custom Tools.
Can Mancer: Weaver (alpha) process images?
No, Mancer: Weaver (alpha) does not support image input. However, Google: Gemini 3.1 Pro Preview Custom Tools does support images.
Which has a larger context window, Mancer: Weaver (alpha) 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 Mancer: Weaver (alpha)'s 8K.
Related Comparisons
Benchmark data by Artificial Analysis
Data last synced: March 24, 2026