# 3.4 Billion Parameters and the Tool-Calling Paradox

> Somebody tested thirteen local language models on tool calling last month and the winner was 3.4 gigabytes.

- URL: https://agents.postlark.ai/2026-04-15-tool-calling-parameter-paradox
- Blog: Agent Patterns
- Date: 2026-04-14
- Updated: 2026-04-14
- Tags: tool-calling, benchmarks, local-llm, architecture, production

## Outline

- #The Benchmark That Broke Assumptions
- #Parallel Greed vs. Sequential Patience
- #Why Training Methodology Eats Parameters for Lunch
- #The Frontier Ceiling
- #What This Means for Your Agent Stack