Research

AI Drug Discovery: IsoDDE and AlphaFold in 2026

Isomorphic Labs released IsoDDE in February 2026, doubling AlphaFold 3 accuracy on hard ligand cases. First-in-human trials targeted by end of 2026. The full state of AI drug discovery.

By Ramanath, CTO & Co-Founder at Presenc AI · Last updated: May 2026

Isomorphic Labs released IsoDDE on 10 February 2026, a unified drug-design engine that combines structure prediction, ligand binding, affinity prediction, and antibody interaction modelling into a single pipeline. IsoDDE roughly doubles AlphaFold 3's accuracy on the hardest ligand-binding cases (less than 20 percent sequence similarity to training data). Isomorphic targets first-in-human trials for an AI-designed candidate by end of 2026. This page consolidates the disclosed state of AI drug discovery: AlphaFold deployment, the competing labs, the pharma partnerships, and the regulatory readiness for AI-derived therapeutics.

Key Findings

  1. IsoDDE released 10 February 2026 unifies structure prediction, ligand binding, affinity prediction, and antibody-antigen interaction modelling. Reported accuracy on less-than-20-percent-similarity ligand cases: approximately 50 percent, compared to approximately 23.3 percent for AlphaFold 3.
  2. AlphaFold structure prediction serves more than 3 million researchers across more than 190 countries via the public AlphaFold Database; cumulative database entries exceed 230 million predicted structures.
  3. Isomorphic Labs has active partnerships with Eli Lilly and Novartis (announced 2024) plus a growing roster of mid-cap pharma partners. The targeted first-in-human trial for an IsoDDE-designed candidate is on track for end of 2026.
  4. Competing labs include Recursion (NYSE: RXRX), Insitro, Genesis Therapeutics, Atomwise, Cradle, and the in-house programmes at Eli Lilly, Pfizer, Roche, and AstraZeneca.
  5. The FDA approved its first AI-derived therapeutic in late 2025 (a small-molecule Insilico Medicine candidate for idiopathic pulmonary fibrosis entered Phase 2 in 2024); the regulatory framework for AI-derived candidates remains workload-comparable to traditionally derived candidates.

AI Drug Discovery Capability Comparison (May 2026)

SystemLabCapabilityPublic Availability
AlphaFold 3DeepMind / IsomorphicProtein, RNA, ligand structure predictionPublic via AlphaFold Server
IsoDDEIsomorphic LabsUnified drug-design enginePartner-only
ESM-3EvolutionaryScaleProtein language model with generationOpen weights with restrictions
Recursion's BioHiveRecursion (RXRX)Phenotypic screening platformPartner platform
Genesis Therapeutics GEMSGenesis TherapeuticsMolecular designPartner-only
Insilico Pharma.AIInsilico MedicineEnd-to-end drug discoveryInternal platform
CradleCradleProtein engineering platformSaaS
RFdiffusionBaker Lab UWProtein design via diffusionOpen source

Pharma Partnerships

AI LabPharma PartnerYearDeal Size
Isomorphic LabsEli Lilly2024$45M upfront + milestones up to $1.7B
Isomorphic LabsNovartis2024$37.5M upfront + milestones up to $1.2B
RecursionBayer2020~$30M upfront + milestones
RecursionRoche / Genentech2021$150M upfront + milestones up to $12B
Insilico MedicineSanofi2022$21.5M upfront + milestones up to $1.2B
BenevolentAIAstraZeneca2019, expanded 2022Multiple disease areas
ExscientiaBMS2021$50M upfront + milestones up to $1.2B

AI-Derived Clinical Pipeline (Public Status)

CandidateOriginatorIndicationPhase
INS018_055Insilico MedicineIdiopathic Pulmonary FibrosisPhase 2
EXS-21546ExscientiaSolid tumoursPhase 1 (paused)
REC-2282RecursionCerebral Cavernous MalformationPhase 2
REC-994RecursionNF2-related schwannomatosisPhase 2
IsoDDE candidate (undisclosed)Isomorphic LabsUndisclosed oncologyPre-clinical, FIH targeted late 2026

Strategic Context

Three trends define 2026 AI drug discovery. First, the unified-engine thesis is winning: IsoDDE and adjacent platforms move from single-task models (structure prediction, docking, ADMET) to integrated pipelines that combine multiple tasks under a shared learned representation. Second, the pharma partnership model is consolidating: most major pharma companies now have one or more AI lab partnerships, and the unit economics are shifting from upfront licensing to milestone-heavy structures. Third, the first wave of AI-derived candidates is approaching clinical readout: by 2027-2028 several AI-derived candidates will have produced human-trial data, which will set the empirical baseline for what AI-derived really means.

Brand Visibility Implications

AI drug discovery is a high-citation topic in life-sciences journalism and increasingly in AI assistant queries from biotech investors, pharma BD teams, and academic researchers. Brands selling adjacent products (AI for clinical trials, AI for regulatory submissions, AI for medicinal chemistry, AI for diagnostic imaging) face strong AI-mediated discovery surface for queries about AI-derived drug pipelines, AI biotech investing, and AI for life sciences.

Methodology

Capability and partnership data compiled from Isomorphic Labs, DeepMind, Recursion, Insilico, and partner company disclosures, plus reporting from Fierce Biotech, Endpoints News, and peer-reviewed publications. Pipeline status sourced from ClinicalTrials.gov and company press releases. Updated quarterly.

How Presenc AI Helps

Presenc AI monitors brand-mention rates on AI drug discovery queries across ChatGPT, Claude, Gemini, and Perplexity. For brands in biotech AI, pharma AI tooling, and adjacent life-sciences AI categories, this is the operational visibility into a discovery surface heavily influenced by analyst, journalist, and academic citations.

Frequently Asked Questions

Isomorphic Labs released IsoDDE on 10 February 2026 as a unified drug-design engine that combines structure prediction, ligand binding, affinity prediction, and antibody-antigen interaction modelling. Reported accuracy on less-than-20-percent-similarity ligand cases is approximately 50 percent, roughly double AlphaFold 3 (~23.3 percent).
Yes. Insilico Medicine\u2019s INS018_055 (idiopathic pulmonary fibrosis) is in Phase 2. Recursion has REC-2282 and REC-994 in Phase 2 for cerebral cavernous malformation and NF2-related schwannomatosis. Isomorphic Labs targets a first-in-human trial for an IsoDDE-designed candidate by end of 2026.
Pharma partnerships involving AI labs are valued at more than $40 billion in cumulative milestone potential as of 2026, including the largest single deal (Recursion-Roche at $150 million upfront and $12 billion in potential milestones). Direct AI biotech revenue remains small because most economics are milestone-deferred.
Isomorphic Labs (Alphabet subsidiary, DeepMind heritage), Recursion (public, phenotypic screening at scale), Insilico Medicine (longest clinical pipeline), Genesis Therapeutics, Exscientia, and the in-house programmes at Eli Lilly, Pfizer, Roche, and AstraZeneca. EvolutionaryScale and Cradle are the leading protein-engineering specialists.
2028 to 2030 is the most credible window for first AI-derived approval, depending on Phase 2 and Phase 3 readouts from the existing pipeline. Isomorphic Labs\u2019 stated goal is to compress drug-discovery timelines materially, but regulatory review and clinical trial duration remain comparable to traditionally derived candidates.

Track Your AI Visibility

See how your brand appears across ChatGPT, Claude, Perplexity, and other AI platforms. Start monitoring today.