What is the current landscape on AI agents knowledge

Reddit r/artificial / 4/18/2026

💬 OpinionSignals & Early TrendsIdeas & Deep AnalysisTools & Practical Usage

Key Points

  • The post discusses community experiences with how current AI agents generate code outputs (as of 2026 Q1/Q2), including perceived improvements in code quality compared with earlier 50/50 results.
  • It raises practical concerns about versioning and documentation alignment (e.g., whether agents use the latest FastAPI documentation, and whether prompts need explicit version details).
  • The questions include whether one-shot coding prompts often yield worse code without specified versions, and how often users must manually specify the target framework/library version.
  • It also asks respondents what languages/frameworks and tools they find produce “perfect” (or near-perfect) code, and whether code quality is something users actively care about.
  • Overall, the thread aims to help the author choose which AI agent to use in 2026 while it remains subsidized, based on comparative real-world output quality.

Recently used "free" rates codex to give me a quick fastapi project sample. It gave me deprecated (a)app.on_event("startup). What are your experiences on current AI agent code outputs. Doesn't have to be codex or claude or co-pilot. Whichever one you use just want to gauge your experiences on outputs as of 2026 Q1/Q2. Does the latest model always use the latest code documentations?

questions:
1. I didn't specify which version of fastapi to use for output, do you type that everytime for your workflow? does it work if you specify like "use only the latest version"
2. How many of you experience a lesser version code when trying to do one shot coding prompts.
3. What is the average code quality for the current outputs (as of right now, ignore last year experiences). Do you care?
4. Which language/framework you find gives you perfect code (or almost perfect)?

trying to see which one to use as of 2026 while it's still being subsidized by corpos, been testing different agents for a while but there is always something I don't like. it's used to be 50/50 for code quality now it's up to 75% to my liking. So I see good progress from the agents.

submitted by /u/secondgamedev
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