Teller
What ChatGPT, Claude, Gemini & Grok actually say · July 2026
The verdict
Teller appears in 1 AI-ranked category.
Built ground-up on direct bank API connections without screen-scraping, yielding ultra-low latency, high connection stability, and real-time transaction streams for US banks.
Where Teller falls short, per the models
- Gemini Smaller coverage footprint across minor regional banks and credit unions compared to legacy aggregators.
Poll history — On this board 1 of 2 polls since Jul 19 — off it in the latest
#5 → –
Top alternatives per the models: Plaid · Tink · TrueLayer · Finicity
Watch Teller
Boards re-poll weekly and the models change their minds. One short email only when Teller's standing moves — a rank change, a rival overtaking, or new reasoning from the models. Nothing otherwise.
Embed your ranking badge
Teller ranks #6 for best open banking api for financial data by AI-model consensus. Put the badge in your README, docs or site — it updates automatically as the models re-rank.
[](https://modelsagree.com/best/best-open-banking-api-for-financial-data?utm_source=badge&utm_medium=embed&utm_campaign=badge-teller)<a href="https://modelsagree.com/best/best-open-banking-api-for-financial-data?utm_source=badge&utm_medium=embed&utm_campaign=badge-teller"><img src="https://modelsagree.com/badge/teller.svg" alt="Teller — ranked #6 for Best open banking API for financial data by AI models on ModelsAgree" height="28"></a>Rankings are computed from what the models answer, re-polled weekly · raw reasoning shown verbatim · methodology