# Same-Day Model Integration: ESMC + ESMFold2 in Sheaf v0.11

DevFeed: [Same-Day Model Integration: ESMC + ESMFold2 in Sheaf v0.11](<https://devfeed.tech/articles/same-day-model-integration-esmc-esmfold2-in-sheaf-v0-11-40141.md>)

Original publisher: [Read original article](<https://korbonits.com/blog/2026-05-27-same-day-model-integration-esmc-esmfold2/>)

Published: 2026-05-27T00:00:00Z

Content type: article

Language: en

Sources: [Alex Korbonits](<https://devfeed.tech/sources/alex-korbonits.md>)

Topics: [Large Language Model](<https://devfeed.tech/topics/llm.md>), [structure](<https://devfeed.tech/topics/structure.md>), [Pydantic](<https://devfeed.tech/topics/pydantic.md>), [backends](<https://devfeed.tech/topics/backends.md>), [unit tests](<https://devfeed.tech/topics/unit-tests.md>), [Serverless](<https://devfeed.tech/topics/serverless.md>)

Tags: [backend](<https://devfeed.tech/tags/backend.md>), [claude-code](<https://devfeed.tech/tags/claude-code.md>), [code](<https://devfeed.tech/tags/code.md>), [language](<https://devfeed.tech/tags/language.md>), [model](<https://devfeed.tech/tags/model.md>), [pypi](<https://devfeed.tech/tags/pypi.md>), [release](<https://devfeed.tech/tags/release.md>), [serverless](<https://devfeed.tech/tags/serverless.md>), [structure](<https://devfeed.tech/tags/structure.md>), [tests](<https://devfeed.tech/tags/tests.md>)

## AI overview

The article explains how Sheaf v0.11 integrated ESMC and ESMFold2 on the same day they were released. It attributes the rapid integration to existing typed serving contracts and infrastructure, while describing verification, testing, H100 smoke testing, release work, and documentation.

## Source excerpt

Chan Zuckerberg Biohub released a new protein language model and structure predictor this morning. Sheaf v0.11 shipped with both, same day. The story is less about hustle and more about what a typed serving contract buys you when a new model lands.