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Boltz

What Boltz does

Boltz (Boltz, PBC) is an AI-for-science company building open biomolecular foundation models and a hosted “Boltz Lab” platform that packages those models into production-oriented interfaces and agentic workflows for drug discovery. The company’s core model line includes Boltz-1 (open-source structure prediction for biomolecular complexes), Boltz-2 (joint structure and binding-affinity/co-folding), and BoltzGen (generative binder design across biomolecular modalities). Boltz’s product strategy is to keep frontier modeling research open while also commercializing the infrastructure, orchestration, and workflow layers required for scientists to reliably run designs, predictions, and iterative discovery loops at scale.

Boltz positions Boltz Lab as a way to reduce practical adoption bottlenecks—compute cost, scalable infrastructure, and collaboration-friendly interfaces—by providing optimized hosted inference plus the “agents” that help users execute end-to-end design workflows. The company also launched a Boltz API intended to be integration-ready for programmatic use and agent/tool calling, including first-party SDKs and integrations. Boltz’s commercial model (as described by the company) is usage-based pricing for hosted predictions/designs, with additional enterprise-style deployments and optional fine-tuning/customization for partners.

Strategically, Boltz’s recent period centers on (1) converting open models into enterprise-ready offerings, (2) expanding partnerships with major pharma for deployment of Boltz Lab and platform capabilities, and (3) broadening access of the Boltz API and models through integrations with AI tooling ecosystems (for example, Anthropic’s Claude Science).

News

Company record

Jul 02, 2026 · Official · BoltzBoltz Announces Collaboration with GSK to Deploy Biomolecular AI Models for Drug Discovery

Boltz announced a collaboration with GSK to deploy Boltz’s models, Boltz Lab interface, and the Boltz API across GSK’s discovery pipeline, with Boltz describing fine-tuning on GSK proprietary data and GSK retaining ownership of compounds produced.

Jun 30, 2026 · Official · BoltzDriving the Boltz API with agents and integration with Claude Science

Boltz described how Claude agents can drive the Boltz API end-to-end and shared examples of agent-led design and fine-tuning workflows after Boltz’s API availability.

Jun 18, 2026 · Official · BoltzBoltz Announces Collaboration with Takeda to Deploy Frontier Biomolecular AI Models Across Takeda's Research Organization

Boltz announced a Takeda collaboration to provide Takeda scientists access to Boltz platform capabilities including Boltz Lab and the Boltz API, with selected program-level fine-tuning.

Jun 16, 2026 · Official · BoltzAnnouncing BoltzMol-1, BoltzProt-1, and the Boltz API

Boltz announced BoltzMol-1 and BoltzProt-1 plus the Boltz API, describing low per-prediction pricing, SDK availability, and early partner/integration mentions.

Jun 16, 2026 · Official · BoltzA note on de novo binder design model evaluation

Boltz published a methods note warning about limitations in how de novo binder evaluation results can be interpreted and proposing updated reporting conventions for binder hit vs confirmed binder classification and affinity reporting.

Jan 08, 2026 · Official · BoltzBoltz Announces Collaboration with Pfizer to Develop and Deploy State-of-the-Art Biomolecular AI Foundation Models

Boltz and Pfizer announced a strategic collaboration to empower Pfizer scientists using Boltz’s platform and foundation models, including model refinement on Pfizer data and deployment into preclinical discovery programs.

Jan 08, 2026 · Official · BoltzAnnouncing Boltz: A Public Benefit Corporation for AI-Driven Drug Discovery

Boltz announced the launch of Boltz PBC, the Boltz Lab beta with its first agents, the $28M seed round (Zetta, Amplify, a16z, and strategic angels), and a multi-year partnership with Pfizer.

Jan 08, 2026 · Official · BoltzBoltz Lab | AI Agents for Small-Molecule Hit Discovery and Protein Design

Boltz described Boltz Lab’s platform goals, first two agents (small-molecule hit discovery and de-novo protein design), and how the agents are intended to work with optimized compute and workflow-oriented infrastructure.

Show 4 earlier updates
Jan 08, 2026 · Official · BoltzThe future we are building at Boltz

Boltz published a vision and business-model overview including Boltz’s research/product/community pillars, positioning around open science plus an enterprise-grade product layer, and a usage-based commercialization approach.

Oct 26, 2025 · Official · BoltzIntroducing BoltzGen: Toward Universal Binder Design

Boltz introduced BoltzGen as an open-source generative model unifying design and structure prediction with an accompanying binder design pipeline and a design specification language.

Jun 06, 2025 · Official · BoltzBoltz-2: Joint Structure and Binding Affinity Prediction

Boltz described performance claims and workflow fit for Boltz-2 across structure and binding affinity tasks, describing speed and accuracy comparisons and open-source code release intent.

Nov 16, 2024 · Official · BoltzIntroducing Boltz-1: Democratizing Biomolecular Interaction Modeling

Boltz announced Boltz-1 as an open-source model intended to approach AlphaFold3-level accuracy for biomolecular complex structure prediction, including a published performance comparison and MIT licensing details.

Source map · 2 recurring channels · 18 references

Still resolving: Newsroom · Official X

What it builds

Boltz-1

An open-source biomolecular interaction modeling/structure prediction model released by Boltz under an MIT license.

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Boltz-2

A biomolecular foundation model from Boltz for joint structure and binding-affinity prediction, positioned as open source and designed to support accurate and efficient screening.

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BoltzGen

A Boltz generative model intended for universal binder design that unifies design and structure prediction and supports a design specification language for constraints.

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Boltz Lab

Boltz’s hosted platform for scientists, combining Boltz models with cost-efficient compute, scalable infrastructure, and collaborative interfaces, and launching with the first small-molecule hit discovery and protein de-novo design agents.

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Boltz API

A hosted API enabling programmatic access to Boltz’s optimized model endpoints for speed and cost, shipped with Python/JavaScript SDKs and designed to support agentic workflows.

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Key metrics

Milestones & partnerships