Benefit Ledger · provisional · Other

Retell uses OpenAI models to help power 100M monthly calls

GPT-6 Astra tops Retell’s voice agent benchmark, while Codex helps it reach a $1.6M annual revenue run rate per employee.

27 Oct 2026Tier 1 UsefulMethodology 0.2

Current score

+0.00

1 base · Useful (tier 1 of 5, 1 pts)

× 0.1000 attribution · Minor documented assistance

× 0.1000 evidence · Firsthand or social claim

× 0.2000 realization · Proposed

× 0.5000 durability · Medium-term

Event-level product before credit split: 0.00

Auto-published provisional score. Named models were taken from the source text; evidence and realization stay discounted until review.

What happened

GPT-6 Astra tops Retell’s voice agent benchmark, while Codex helps it reach a $1.6M annual revenue run rate per employee.

+0.00

Named in the ingested source. Credit is provisional until review.

Ingest matched a model alias in the source text. Attribution stays provisional.

Attribution 0.1000 · Credit share 50% · OpenAI

+0.00

Named in the ingested source. Credit is provisional until review.

Ingest matched a model alias in the source text. Attribution stays provisional.

Attribution 0.1000 · Credit share 50% · OpenAI

primary sources