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IDES & CODING TOOLS • CURATED • UPDATED FEB 5, 2026

SERA (AI2)

Open-Source Coding Agents for Private, Fine-Tuned Development

SERA is a family of open-source coding agents developed by the Allen Institute for AI (AI2). It allows developers to customize and fine-tune models on private codebases without exposing sensitive data to external servers. SERA uses synthetic training data to achieve performance comparable to much larger proprietary models at a significantly lower cost.

Pricing Free
Platforms local, self-hosted
API No
Open Source Yes
Modalities IDEs & Coding Tools
Best For Best for Developers
Date Added 2026-02-05

We added SERA because it is the leading open-source alternative for privacy-conscious developers. It empowers teams to build their own custom coding assistants that understand their specific architectural patterns.

Download the SERA model weights from GitHub or the Allen Institute website. You can run SERA locally using standard LLM orchestration tools. To fine-tune on your private codebase, follow the provided SERA-tuning scripts to index your local repositories.

1 Fine-tune the model on your team's most successful projects to capture your coding style
2 Use SERA for architectural reasoning across large, private repositories
3 Combine with local IDE extensions for a seamless, private developer experience
Google Antigravity 2.0 Claude Opus 5 GPT-5.6 Sol Cursor 2.0 OpenAI Codex

Private Enterprise Assistant

Build a coding assistant that knows your proprietary APIs.

STEPS:
  1. Index your internal documentation and code
  2. Run the SERA fine-tuning pipeline
  3. Deploy the agent locally for your engineering team
Free Completely free
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Q

Is SERA (AI2) free?

A

Yes, SERA (AI2) is completely free to use.

Q

Does SERA (AI2) have an API?

A

No, SERA (AI2) does not appear to offer a public API.

Q

What is SERA (AI2) best for?

A

SERA (AI2) is best for Best for Developers. SERA is a family of open-source coding agents developed by the Allen Institute for AI (AI2). We added SERA because it is the leading open-source alternative for privacy-conscious developers. It empowers teams to build their own custom coding assistants that understand their specific architectural patterns.

Q

What platforms does SERA (AI2) support?

A

SERA (AI2) supports local, self-hosted.

Q

Is SERA (AI2) open source?

A

Yes, SERA (AI2) is open source. You can access the source code on GitHub at https://github.com/allenai/sera.

Q

How do I get started with SERA (AI2)?

A

Download the SERA model weights from GitHub or the Allen Institute website. You can run SERA locally using standard LLM orchestration tools. To fine-tune on your private codebase, follow the provided SERA-tuning scripts to index your local repositories.

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