---
title: "Model Comparisons"
type: index
id: "comparisons"
description: "Head-to-head comparisons of popular AI models. Structured analysis for agents and humans making model selection decisions."
last_updated: "2026-04-10"
---
# Model Comparisons
Head-to-head comparisons of popular AI models with opinionated recommendations.
## Head-to-Head Comparisons
| Comparison | Summary |
|------------|---------|
| [Claude Opus 4.6 vs GPT-5.4](claude-vs-gpt.md) | The two most capable proprietary models. Claude wins on coding, GPT wins on ecosystem breadth. |
| [Claude Opus 4.6 vs Gemini 3.1 Pro](claude-vs-gemini.md) | Premium intelligence vs best value. Gemini costs 60% less with comparable reasoning. |
| [GPT-5.4 vs Gemini 3.1 Pro](gpt-vs-gemini.md) | Ecosystem giant vs multimodal leader. Both have 1M context, wildly different pricing. |
## Category Comparisons
| Comparison | Summary |
|------------|---------|
| [Open Source vs Proprietary](open-source-vs-proprietary.md) | When to self-host vs when to pay for an API. Cost, privacy, and performance trade-offs. |
| [Best Coding Models](best-coding-models.md) | Ranked list of the best models for software engineering, with SWE-bench numbers and tool recommendations. |
| [Cheapest Models](cheapest-models.md) | Cost-effectiveness rankings. Quality-per-dollar analysis from free to frontier. |
Model Comparisons
Head-to-head comparisons of popular AI models with opinionated recommendations.
Head-to-Head Comparisons
Category Comparisons
| Comparison |
Summary |
| Open Source vs Proprietary |
When to self-host vs when to pay for an API. Cost, privacy, and performance trade-offs. |
| Best Coding Models |
Ranked list of the best models for software engineering, with SWE-bench numbers and tool recommendations. |
| Cheapest Models |
Cost-effectiveness rankings. Quality-per-dollar analysis from free to frontier. |