# Codex: what AI models say (September 2026)

Source: Memetik Index, https://www.memetik.ai/vendors/codex
Website: https://www.developersdigest.tech

Codex was named in 43 of 100 AI answers across 2 categories. Best position: AI coding agents, 78% answer share, ranked #4, named first in 10%.

## By category

| Category | Rank | Answer share | Named first | Models |
|---|---|---|---|---|
| AI coding agents (https://www.memetik.ai/index/ai-coding-agents) | #4 of 12 | 78% | 10% | GPT-5.6 Sol, ChatGPT, GPT-5.6 Luna, Claude Opus 5, Claude, Claude Fable 5, Gemini, Gemini 3.5 Flash, Perplexity, Sonar Reasoning Pro |
| AI code review (https://www.memetik.ai/index/ai-code-review) | #12 of 13 | 8% | 0% | Claude, Claude Fable 5, Sonar Reasoning Pro |

## What the models said

> "Recommendation as of September 2, 2026 For an experienced software engineer choosing one tool, I’d start with OpenAI Codex."
> — GPT-5.6 Sol, AI coding agents

> "For most individual software engineers, I’d start with Cursor or Codex, not a traditional autocomplete-only tool."
> — GPT-5.6 Luna, AI coding agents

> "If you live in the terminal, start with a terminal/CLI agent like Claude Code, OpenAI Codex CLI, Aider, OpenCode, or Gemini CLI."
> — Sonar Reasoning Pro, AI coding agents

> "Greptile is the strongest pick for teams whose pull requests come from coding agents like Claude Code, Cursor, Codex, and Devin."
> — Claude, AI code review