Opper AI
Opper AI builds infrastructure that looks to help developers turn large language models into dependable systems.
Opper AI has raised €2.5M across 1 funding round from 4 investors, most recently a Pre-Seed round in Jul 2025. Based in Stockholm, Sweden; active in Software. Data as of 28 Oct 2026.
Stockholm, Swedenopper.ai ↗
Total raised
€2.5M
€2,500,000
Funding rounds
1
Investors
4
distinct backers
Active since
2025-07
latest 2025-07
Funding by year
EUR raised per yearOpper AI — funding by year — interactive chart.
Data table
| Opper AI — funding by year | |
|---|---|
| 2025 | €2.5M |
Signals
High confidenceRaise-next likelihood33
base rate 24% for Pre-Seed
- ▲ In typical raise window
- ▼ Low backer re-investment
Timing: in window vs cohort gap · momentum unknown. Funding-only estimates, not predictions and not investment advice — see signals.
Funding rounds
1 round| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2025-07-14 | Pre-Seed | €2.5M | Angel Investors,Emblem,Greens Ventures,Luminar Ventures | View deal → |
Investors
4Acquisitions
1- FinetuneDB2025
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