Head to head

ESM3 vs Boltz

ESM3 (EvolutionaryScale) and Boltz (MIT) both sit in Science & Bio. Boltz shipped more tracked changes in the last 30 days (5 vs 3). Every value below comes from the latest crawl of the vendors' own pages.

AttributeESM3

EvolutionaryScale

Boltz

MIT

SegmentScience & BioScience & Bio
VersionESM3Boltz-2
Entry costESM3-open is free on GitHub. Other ESM3 model sizes are available via the Biohub Platform API (pricing not listed).Pricing is not published. API and Enterprise deployments available.
Pricing tiersESM3-open free—
Model stackESM Cambrian · ESM3 · ESM3 (98B) · ESM3 (Large) · ESM3 (Medium) · ESM3 (Small) · ESM3-openBoltz-2 · BoltzGen · BoltzMol-1 · BoltzProt-1
Context window——
Public API
Routes models
Changes / 30d35
OriginUnited StatesUnited States
CapabilitiesProtein generation, Sequence-structure-function, Open weights, Forge API, sequence modeling, structure generation, function design, protein generationOpen weights, Affinity prediction, Complex structures, Local inference, Design small molecules, Design proteins, Predict structures, Fine-tuning

ESM3

Generative protein model that reasons jointly over sequence, structure and function.

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