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Arcee AI: Caller Large

arcee-ai/caller-large

Caller Large is Arcee's specialist "function‑calling" SLM built to orchestrate external tools and APIs. Instead of maximizing next‑token accuracy, training focuses on structured JSON outputs, parameter extraction and multi‑step tool chains, making Caller a natural choice for retrieval‑augmented generation, robotic process automation or data‑pull chatbots. It incorporates a routing head that decides when (and how) to invoke a tool versus answering directly, reducing hallucinated calls. The model is already the backbone of Arcee Conductor's auto‑tool mode, where it parses user intent, emits clean function signatures and hands control back once the tool response is ready. Developers thus gain an OpenAI‑style function‑calling UX without handing requests to a frontier‑scale model.

Modalities

Context

33K

Released

May 5, 2025

Knowledge Cutoff

Mar 2025

About Arcee AI: Caller Large

OpenRouter makes Arcee AI: Caller Large available through a unified, OpenAI-compatible API using the model ID arcee-ai/caller-large.

Arcee AI: Caller Large accepts text and returns text. It has a 32,768-token context window.

It was released on May 5, 2025; its knowledge cutoff is March 31, 2025.

More models from Arcee AI

  • Trinity Large Thinking
  • Virtuoso Large
ActivityFAQ

Activity

Token volume and request traffic to this model over time.

Frequently asked questions

Caller Large is Arcee's specialist "function‑calling" SLM built to orchestrate external tools and APIs. Instead of maximizing next‑token accuracy, training focuses on structured JSON outputs, parameter extraction and multi‑step tool chains, making Caller a natural choice for retrieval‑augmented generation, robotic process automation or data‑pull chatbots.

Caller Large has a 32,768 token context window.

Trinity Large Thinking and Virtuoso Large are other text models from Arcee AI.

Caller Large was released on May 5, 2025. Its knowledge cutoff is March 31, 2025.