Best AI Tools for Customer Support
Agent frameworks and models suited to production support bots: reliable tool use, guardrails, handoff patterns, and predictable cost at volume.
Quick answer: The best options for customer support in 2026 are OpenAI Assistants API (Hyland Score 93), CrewAI (Hyland Score 89), Phidata (Hyland Score 87) — ranked from 4 entries using Hyland's weekly-refreshed scoring. OpenAI Assistants API leads because official OpenAI API for building assistants with persistent threads, built-in retrieval, code interpreter, an…
OpenAI Assistants API
Official OpenAI API for building assistants with persistent threads, built-in retrieval, code interpreter, an…
Nemotron 70B
RLHF-tuned open model from NVIDIA.
Frequently asked questions
What is the best option for AI Tools for Customer Support?
OpenAI Assistants API currently ranks first with a Hyland Score of 93/100. Official OpenAI API for building assistants with persistent threads, built-in retrieval, code interpreter, an… It is paid.
How are these rankings calculated?
Entries are ranked by the Hyland Score, a 1–100 composite computed weekly from public signals: community adoption, development velocity, documentation quality, and freshness. The full formula is published on the Hyland.ai glossary page.
How often is this list updated?
Weekly. An automated pipeline re-fetches public data (GitHub activity, release info, pricing) every week and re-computes every score, so rankings reflect the current state of each tool rather than a one-time review.
Are there free or open-source options in this list?
Yes — 3 of the 4 ranked entries offer a free tier or are fully open source, including CrewAI, Phidata, Nemotron 70B.