Agent Sightings Real agent use cases

Inside Praktika's conversational approach to language learning

Grounded in the learner’s individual learning goal, it uses insights from the Student Progress Agent to determine what to learn next, how to sequence skills, and which activities will be most effective. They became natural, emotional, and real.” As Praktika evaluated newer models, GPT‑4.1 proved to be the strongest fit across its internal evaluations measuring onboarding completion, Day-1 retention, trial-to-paid conversion, and qualitative user feedback. After introducing their new long-term memory system, Praktika saw a 24% increase in Day-1 retention and doubled revenue in just a few months.

Agent or tool
ChatGPT
Topic
Sales & Marketing
Reported on
Case study (OpenAI)
Added
2026-11-11

Why it matters

Sales and marketing run on research, lists and follow-ups. Agents are starting to take on that groundwork, freeing people for the conversations that actually close deals. It is one of 613 sightings filed under Sales & Marketing on Agent Sightings (number 333 by interest), and one of 145 involving ChatGPT.

How you could try it

Here is a reusable prompt, written by us in our own words, that captures the task. Paste it into ChatGPT or any similar agent and adjust the details to your situation.

I want an agent to do the research and drafting for this sales or marketing workflow, and stop for my approval before anything is sent. The tool in the source case was ChatGPT.

Saved

Tip: Start small: run it once on a low-stakes example, read what the agent did, and only then let it run on real work.

Source

Read the original first-hand account on Case study (OpenAI): https://openai.com/index/praktika. Our summary is a paraphrase; details are in the source.

Built an AI agent? Feature your agent on Agent Sightings, free submission or a featured spot.

Browse more like this

More in Sales & Marketing · more with ChatGPT · all browse pages · industry guides

Related sightings

← All 2754 use cases