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Latent Space · Saturday, October 31, 2026

Arca Relies on Anthropic and OpenAI Frontier Models for AI Harness

Aman Singh explained that Arca utilizes frontier models from labs like Anthropic and OpenAI, with Claude serving as their primary model. The firm maintains model-agnostic optionality, guiding model selection through internal benchmarks rather than relying on a single provider.

personAman SinghcompanyArcacompanyAnthropiccompanyOpenAI

The tape

1 quote
“So today we're using, uh, the Frontier, uh, models from, um, from, uh, the Frontier Labs, like Anthropic and, uh, and OpenAI. Mm. Claude is kind of our primary, um, um, model, has been”
Aman Singh
Heard on Latent Space — “Using Agents for Long-Horizon Financial Work — Aman Singh, Arca”, published Saturday, October 31, 2026. Heardvine summarizes and quotes with attribution and timestamps, and links to the original everywhere.
Transcribed via publisher transcript · $0.00
Arca Relies on Anthropic and OpenAI Frontier Models for AI Harness — Heardvine