COLD START / catalog / c/typesaferetrieved 2026-09-15T18:15 UTC · 6 sources read

TypeSafe AI

TypeSafe AI builds models that output calibrated values instead of text so software can act on AI decisions directly.

typesafe.ai · San Francisco

CALL NO.CS·TYPESAFE·26

Stagenot publicly disclosedno source in ledger

Raisednot publicly disclosedno source in ledger

Headcount15as of Aug 2026[2][3][4][5][6]

Valuationnot publicly disclosedno source in ledger

Founded2024[2][3][4]

Money

No filing, no announced round, no reported figure.

No public funding found.

People

Diogo Almeida, Chief Executive Officer[2][3][4]

Erik Spock Gafni, Co-Founder, CTO[2][3][4]

Sasha Sheng, Co-Founder[2][3][4]

Ke D., Chief of Staff[5][6]

Eunji Jinny Seo, Founding Product Designer[5][6]

Signals

Sep 3 2026launchTypeSafe AI emerges from stealth with a model that outputs values instead of strings[4]

Sep 2 2026otherTypeSafe AI sponsors the CoreWeave hackathon and offers access to its proprietary model[2]

Jul 7 2026newsTypeSafe AI achieves SOC 2 Type II compliance[3][4]

Jun 25 2026otherTypeSafe AI hosts a hack night at AI Engineer World Fair with access to its frontier proprietary model[2]

Jun 25 2026hiringTypeSafe AI is hiring across engineering, data research, and design roles[2][4]

Jun 14 2026otherCEO Diogo Almeida speaks at Databricks Data+AI Summit on what comes after RLHF[2]

Comps

OpenAI · openai.com · TypeSafe's CEO frames the company explicitly against the RLHF-trained models he helped build at OpenAI, and the buyer choosing TypeSafe for production automation would otherwise evaluate OpenAI's API for the same job.[4]

Anthropic · anthropic.com · TypeSafe's CEO names Claude alongside ChatGPT as the RLHF-built assistants whose people-pleasing behavior he says makes them unsuitable for automation, so the same buyer weighs Claude for the same production workflow.[4]

Callosum · callosum.com · TypeSafe team members publicly promote Callosum's platform for pushing the frontier on heterogeneous compute and models including TypeSafe's own, placing them in the same deployment path for buyers running multiple model backends.[3]

Next question

Ask what the company has raised and from whom.

Not a recommendation. The first thing this ledger cannot answer.

Investor Lens

Why care

The case

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Sourcestracings · 6

[1]Typesafe nabs $14m to scale the software platform that helps its clients scale their apps