Vendors / Codex
Codex
Named in 43 of 100 AI answers across 2 categories in September 2026. Best position: AI coding agents, 78% answer share, ranked #4, named first in 10%.
78%
Best share AI coding agents
What Codex is
By category
First edition
| Category | Rank | Answer share | Named first | Models | Δ |
|---|---|---|---|---|---|
| AI coding agentsAI coding | #4 of 12 | 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 | new | |
| AI code reviewAI coding | #12 of 13 | 0% | Claude, Claude Fable 5, Sonar Reasoning Pro | new |
What the models said
“Recommendation as of September 2, 2026 For an experienced software engineer choosing one tool, I’d start with OpenAI Codex.”
“For most individual software engineers, I’d start with Cursor or Codex, not a traditional autocomplete-only tool.”
“If you live in the terminal, start with a terminal/CLI agent like Claude Code, OpenAI Codex CLI, Aider, OpenCode, or Gemini CLI.”
“Greptile is the strongest pick for teams whose pull requests come from coding agents like Claude Code, Cursor, Codex, and Devin.”
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