OpenAI CodexvsWindsurf

How 10 AI models weigh OpenAI Codex against Windsurf on the 1 buying question where both came up.

OpenAI Codex
21%of answers named it
Windsurf
100%of answers named it
Placed higher
2–38times OpenAI Codex vs Windsurf, over 40 model rankings that listed either
Models leaning
0–9toward OpenAI Codex vs Windsurf; 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

ModelOpenAI CodexWindsurfPlaced higherLeans
Claude Haiku 5.58%100%0–4Windsurf
GPT-6 Luna92%100%0–4Windsurf
Gemini 4 Argon0%100%0–4Windsurf
Qwen 3.8 Flash92%100%2–2Even
DeepSeek V4 Pro0%100%0–4Windsurf
GLM-5.317%100%0–4Windsurf
Kimi K30%100%0–4Windsurf
MiniMax M30%100%0–4Windsurf
Mistral Large 40%100%0–4Windsurf
Nemotron 3 Ultra0%100%0–4Windsurf

What the models say about OpenAI Codex

One reason per model, from the shared questions

  • GPT-6 LunaEffective coding agent for delegated implementation, debugging, and software development workflows.
  • Qwen 3.8 FlashStrong agent for autonomous tasks and code review.
  • GLM-5.3Powerful cloud coding agent backed by frontier reasoning models.

What the models say about Windsurf

One reason per model, from the shared questions

  • Claude Haiku 5.5Capable agentic IDE with good context awareness and flow-based editing.
  • GPT-6 LunaStrong agentic IDE experience with useful context gathering and multi-step edits.
  • Gemini 4 ArgonSmooth agentic flow state that seamlessly combines deep context awareness with automated execution.
  • Qwen 3.8 FlashAgentic flows and clean UX in a capable IDE.
  • DeepSeek V4 ProAgentic IDE with smart context handling and fast inline suggestions.
  • GLM-5.3Agentic flows with Cascade, fast and intuitive for developers.
  • Kimi K3Strong agentic capabilities and innovative interface design.
  • MiniMax M3Flow-aware IDE with strong context handling and Cascade agent.
  • Mistral Large 4Best free tier with generous limits and strong multi-language support.
  • Nemotron 3 UltraClean agentic IDE with strong context awareness

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

QuestionOpenAI CodexWindsurf
Best AI coding assistants21% #14100% #1