Bioptimus vs ChemLex
Which Drug Discovery AI tool is better in 2026?
Bioptimus
Building the first universal AI foundation model for biology.
ChemLex
24/7 self-driving lab that runs autonomous chemistry to accelerate drug discovery
Side-by-side
Bioptimus is the more established option (raised $76M); pricing is comparable on both sides.
| Metric | Bioptimus | ChemLex |
|---|---|---|
| Taglinei | Building the first universal AI foundation model for biology. | 24/7 self-driving lab that runs autonomous chemistry to accelerate drug discovery |
| Foundedi | 2024 | 2022🏆 |
| HQi | Paris, FR | Singapore, SG |
| Employeesi | 11-50 | 51-200🏆 |
| Neuron scorei | 58🏆 | 56 |
| Total fundingi | $76M🏆 | $45M |
| Latest roundi | Series A · Jan 2025 | Series A |
| Valuationi | — | — |
| Cheapest paid plani | Pricing not disclosed | Pricing not disclosed |
| Free plani | ✗ | ✓ |
| Free triali | ✗ | ✓ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Enterprise · Contact sales | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Bioptimus and ChemLex.
| Capability | Bioptimus | ChemLex |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Bioptimus
- Has raised more capital ($76M vs $45M)
- Higher Neuron score (58 vs 56)
- Newer company (2024)
🔵 Strengths of ChemLex
- Offers a free plan
- Offers a free trial
- More mature (2022)
Which should you choose?
Choose ChemLex if price matters most — it starts at Free, which is friendlier for teams watching burn. Both Drug Discovery tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Bioptimus if you want the most established option — it has raised $76M, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
Bioptimus vs ChemLex — which is better?
It depends on your priority. Bioptimus has raised more capital and is the more established option; ChemLex has broader feature depth. See the side-by-side table above.
Is Bioptimus cheaper than ChemLex?
No — ChemLex's cheapest paid plan is Free, while Bioptimus's is Enterprise · Contact sales.
Do Bioptimus and ChemLex offer free plans?
Bioptimus: Paid only. ChemLex: Yes, has a free plan.
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