Amazon Q DevelopervsOpenAI Codex
How 10 AI models weigh Amazon Q Developer against OpenAI Codex on the 1 buying question where both came up.
- Amazon Q Developer
- 93%of answers named it
- OpenAI Codex
- 21%of answers named it
- Placed higher
- 27–7times Amazon Q Developer vs OpenAI Codex, over 34 model rankings that listed either
- Models leaning
- 8–1toward Amazon Q Developer vs OpenAI Codex; 1 even
Which models prefer which
Share of each model's answers that named each product, and how often its ranking put one above the other (a product listed beats one left off) · On the 1 shared question, every wording
| Model | Amazon Q Developer | OpenAI Codex | Placed higher | Leans |
|---|---|---|---|---|
| Claude Haiku 5.5 | 100% | 8% | 4–0 | Amazon Q Developer |
| GPT-6 Luna | 100% | 92% | 0–4 | OpenAI Codex |
| Gemini 4 Argon | 83% | 0% | 2–0 | Amazon Q Developer |
| Qwen 3.8 Flash | 100% | 92% | 3–1 | Amazon Q Developer |
| DeepSeek V4 Pro | 83% | 0% | 2–0 | Amazon Q Developer |
| GLM-5.3 | 83% | 17% | 2–2 | Even |
| Kimi K3 | 92% | 0% | 3–0 | Amazon Q Developer |
| MiniMax M3 | 92% | 0% | 3–0 | Amazon Q Developer |
| Mistral Large 4 | 100% | 0% | 4–0 | Amazon Q Developer |
| Nemotron 3 Ultra | 92% | 0% | 4–0 | Amazon Q Developer |
What the models say about Amazon Q Developer
One reason per model, from the shared questions
- Claude Haiku 5.5
Solid AWS-centric assistant with useful security scanning and code transformation.
- GPT-6 Luna
Solid coding help, especially for AWS development and cloud-focused workflows.
- Gemini 4 Argon
Top choice for AWS-centric development, cloud infrastructure code, and automated code transformations.
- Qwen 3.8 Flash
Powerful AWS-focused assistant with robust transforms.
- DeepSeek V4 Pro
Decent inline suggestions with strong security scanning, though now absorbed into Amazon Q.
- GLM-5.3
Best-in-class inline suggestions, tight AWS and IDE integration.
- Kimi K3
Best for AWS-heavy environments and enterprise compliance.
- MiniMax M3
AWS-integrated assistant strong for cloud-heavy codebases.
- Mistral Large 4
Deep AWS integration and excellent security scanning for enterprise cloud work.
- Nemotron 3 Ultra
AWS-specific guidance; free for individuals.
What the models say about OpenAI Codex
One reason per model, from the shared questions
- GPT-6 Luna
Effective coding agent for delegated implementation, debugging, and software development workflows.
- Qwen 3.8 Flash
Strong agent for autonomous tasks and code review.
- GLM-5.3
Powerful cloud coding agent backed by frontier reasoning models.
Tracked since October 25, 2026. Each time the panel answers these questions again, both shares are added here.
Question by question
Share of all answers that named each, every wording pooled, with its place among every product named · Both-named questions first
| Question | Amazon Q Developer | OpenAI Codex |
|---|---|---|
| Best AI coding assistants | 93% #4 | 21% #14 |