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EU-hosted AI gateway and control plane for many AI models · Sweden

Opper AI: Product, team and how it was built

Small teamFundedB2BDeveloper tools

Opper AI (EU-hosted AI gateway and control plane for many AI models, Sweden): 50K+ developers and companies (company claim), November 2026. Evidence grade E: no revenue figure was checked. Team: 2 co-founders in 2023; the 2 FinetuneDB co-founders joined in September 2025; total headcount not published. Launched April 2024; still running.Added 5 November 2026 · updated 6 November 2026

Outcome
50K+ developers and companies (company claim), November 2026
Evidence
E no revenue figure was checked
Launch
April 2024
Status
Still running
Team
2 co-founders in 2023; the 2 FinetuneDB co-founders joined in September 2025; total headcount not published
Outside funding
Pre-seed (UpNext, February 2026); backers Luminar Ventures, Emblem, Greens Capital and angels; amount not published
Main channel
Not stated
No revenue figure

What is not verified

No revenue figure was found. There is no payment-processor profile, no founder interview with numbers and no filing in the sources read; Swedish company registers that would show the accounts of Opper Technology AB block automated reading. The headline "50k+ developers and companies" is the company's own counter with no stated method; in September 2025 the company wrote "thousands". UpNext's report of deployments in defense, government and Fortune 100 companies is a company statement passed on by a pitch-event writer, with no names. A reader could look for the annual report of Opper Technology AB or a funding announcement. This story is grade E: the business is real and its product, price and customers are described from public pages, but no revenue figure was checked. Aiolum shows it as an idea worth studying, not as proof that it makes money.

Opper is an AI gateway: a service that sits between an application and the model providers, so the application calls one API and the gateway forwards each request to OpenAI, Anthropic, Google, Mistral or another provider. Its paid tier is a control plane, a layer of rules that decides which models may be called, how much may be spent and what is stored. An LLM router inside it picks a model per request and falls back to another provider when one fails.

Göran Sandahl and Johan Gustafsson, part of the team that built the log-monitoring company Unomaly, founded Opper in Stockholm in 2023, according to the company. The launch post of April 2024 offered the platform "in limited availability". In September 2025 Opper bought FinetuneDB, and its two co-founders joined Opper's leadership. UpNext called Opper a pre-seed company in February 2026.

The home page says Opper is "Trusted by 50k+ developers and companies serving 10M+ users". No revenue figure, customer count or funding amount is published, so the evidence is grade E: a live product with public prices and the company's own claims.

Opper AI: 50K+ developers and companies (company claim), November 2026. EU-hosted AI gateway and control plane for many AI models, Sweden, team of 2 to 10, evidence grade E.
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01

How much revenue does Opper AI make?

Each row shows the evidence grade and the source numbers from the list at the end of this page. The grades are explained in How Aiolum verifies.

An EU-hosted gateway to more than 700 AI models, with a 3% or 5.5% platform fee, a claim of 50,000+ developers and no revenue figure published
FactValueGradeHow we knowSources
Developers and companies, November 2026more than 50,000 (company claim)CHome page: "Trusted by 50k+ developers and companies serving 10M+ users". No source explains how the number is counted; in September 2025 the company wrote "thousands of individuals and teams".[1, 3]
Founding2023, by Göran Sandahl and Johan GustafssonCAcquisition press release: "Founded in 2023 by Göran Sandahl and Johan Gustafsson, part of the founding team behind Unomaly (acquired by LogicMonitor in 2020)".[3]
LaunchApril 2024, limited availabilityCLaunch post by Göran Sandahl, dated 4/11/2024 on the page. A Wayback copy of the home page from 25 April 2024 shows "Sign up for early access".[4, 6]
Team2 co-founders; 2 more leaders from FinetuneDB in September 2025; total not publishedCFinetuneDB co-founders "will join Opper's leadership team as Chief Growth Officer and Chief Technology Officer". No page read gives a headcount.[3]
Fundingpre-seed; amount not publishedCUpNext, 14 February 2026: "For a pre-seed company". The company names Luminar Ventures, Emblem, Greens Capital and angels as backers.[5, 3]
Prices3% platform fee (Gateway), 5.5% (Control Plane), custom (Enterprise)CPricing page, read 5 November 2026. Pay as you go on provider rates.[2]
Models700+ models, 50+ providersCPricing page and home page.[1, 2]
Hosting and complianceplatform in Stockholm, ISO 27001, zero data retention by defaultCHome page: "Platform in Stockholm, EU routes end to end" and "Certified against ISO/IEC 27001:2022".[1]
Named customersInstabridge, Svenska Bostäder, LexBoxCCustomer stories on the company's site, with named quotes. The Instabridge page says Instabridge has 200M+ app downloads; that is Instabridge's figure, not Opper's.[1, 7]
AcquisitionFinetuneDB, a fine-tuning platform, September 2025CPress release by Göran Sandahl, dated 9/11/2025 on the page. No price published.[3]
Time from launch to the headline fact31 monthscalcCalculated: April 2024 to November 2026.[1, 4]

How to read this table: a grade C value is a statement on the company's own pages, or the company's claim as a trade publication reports it. A "calc" value was computed on this page. No value is grade A or B, and no revenue figure exists.

Opper prices in November 2026, from the company's pricing page (grade C)
PlanPer month, billed yearly (US$)Per month, billed monthly (US$)Limit
Gatewaypay as you go; 3% platform fee; 700+ models
Control Planepay as you go; 5.5% platform fee; org budgets, allowlists, rules
Enterprisecustom contract; dedicated rate limits, SLA, own cloud or region

All plans are pay as you go on provider rates, plus a platform fee as a percentage. Payment is by Stripe credits on Gateway and Control Plane, by invoice on Enterprise. Sign-up needs no card; free models work in the playground and the API, and premium models need a card, with no minimum. Checks are billed at a flat rate per check on top of the fee.

02

When did Opper AI launch, and how did it grow?

From a 2023 founding by two former Unomaly founders to an EU gateway for 700+ models, in about three years. Each entry carries its grade.

  1. 2012 to 2022CThe founding team builds Unomaly, anomaly detection for log data, acquired by LogicMonitor in 2020. [3, 4]
  2. 2023CGöran Sandahl and Johan Gustafsson found Opper in Stockholm. [3]
  3. April 2024CLaunch post: "A Better API for Generative AI", in limited availability with early-access signup. [4, 6]
  4. September 2025COpper buys FinetuneDB; its two co-founders become Chief Growth Officer and Chief Technology Officer. [3]
  5. February 2026CNamed in the Techarena TOP46; UpNext reports deployments in defense, government and critical infrastructure. [5]
  6. November 2026CAn EU AI gateway for 700+ models with a 3% fee; the home page claims 50k+ developers and companies. [1, 2]
03

Why did Opper AI work?

Four causes, in the order they mattered. Each one is a reusable lesson.

01

One agreement for every model

A European company that adds a new model provider normally adds a new sub-processor to its data processing agreement. Opper offers one DPA with one sub-processor for every model, hosting in Stockholm and zero data retention by default. That turns a legal review per model into one review.

02

A fee on usage, not a subscription

The customer pays provider rates plus a 3% or 5.5% platform fee. Revenue grows with the customers' model spend, and sign-up needs no card, so a developer can start without a sales call.

03

Failover across providers

The same model is often sold by several clouds. The home page says Claude Opus 5.5 is served by 4 providers and that a single route averaged 93.69% uptime on its own, while the combined route showed 100% over 30 days.

How it was built

These details come from the company's own pages. They are grade C. [1, 2]

  • An OpenAI-compatible endpoint (api.opper.ai/v3/compat) that the OpenAI, Anthropic and Gemini SDKs can use by changing the base URL.
  • Model routes from the providers' own clouds and from EU inference partners such as Berget, GreenPT and Sference, listed on the home page.
  • A decision model that picks the branch of a route, with backup models when a call fails.
  • Payments by Stripe credits on the self-serve plans, invoices on Enterprise.
  • ISO/IEC 27001:2022 certification and a trust center for enterprise buyers.

Tools named in the sources

Each one opens its page in the Tools tab, with every story that uses it.

04

Who tried this before Opper AI, and why did they fail?

Three companies in our database of failed startups sold one API layer over many other services. The values below are from that database and are not independently verified.

Died 2011 to 2016Burned US$2.7M

Singly

The promise

One API to collect and sync user data from many social networks.

Why it died

It depended on third-party APIs that changed and limited access, and broader tools such as Zapier and IFTTT took the market.

Competition
Died 2011 to 2017Burned US$85M

Parse.com

The promise

A backend as a service, so app developers did not run servers.

Why it died

A generous free tier and usage pricing did not cover costs; Facebook bought it and shut it down.

Unit Economics
Died 2017 to 2025Burned US$81M

Solid

The promise

A unified API to connect enterprise systems.

Why it died

Each integration added complexity; long sales cycles and support costs broke the unit economics.

Unit Economics

The failed startups come from our database of 1,749 dead startups, retold here in our own words. Its entries are AI-assisted summaries of public sources, so these cards carry no evidence grade.

What changed

Singly and Solid sold one API over many services whose owners could change the terms. Opper has the same exposure: it resells access to models that OpenAI, Anthropic and Google also sell directly, often with their own EU regions.

The difference is what the customer pays for. Opper's fee rides on model spend that the customer would pay anyway, and its selling point is a legal one, EU hosting and one processing agreement, which the providers themselves do not offer across each other's models.

05

Can one person copy Opper AI now?

Not by one person today.

A gateway that serves enterprises in defense and government needs ISO certification, uptime across many providers and a sales team, and Opper started with an experienced founding team and venture backers. The smaller idea that a solo founder can copy is a narrow gateway for one rule set or one niche, such as a single regulated industry.

Where it is still open: Gateways for one regulated sector or one region outside the EU, where the same data rules apply.

  1. 1Pick a compliance need that the model providers do not solve across each other, such as data residency in one region.
  2. 2Expose an OpenAI-compatible endpoint, so customers change only a base URL.
  3. 3Charge a percentage on top of provider prices instead of a token markup.

What could go wrong for Opper AI?

The risks are the mirror image of the causes above.

What is not verified

No revenue figure was found. There is no payment-processor profile, no founder interview with numbers and no filing in the sources read; Swedish company registers that would show the accounts of Opper Technology AB block automated reading. The headline "50k+ developers and companies" is the company's own counter with no stated method; in September 2025 the company wrote "thousands". UpNext's report of deployments in defense, government and Fortune 100 companies is a company statement passed on by a pitch-event writer, with no names. A reader could look for the annual report of Opper Technology AB or a funding announcement.

Competition and model providers

On this site, LLM Gateway and ImageRouter sell similar gateways, and Morph, also on this site, is one of Opper's routing partners. Opper resells models from OpenAI, Anthropic, Google and others; the home page lists routes through those providers and their clouds, so price or term changes by them pass straight to Opper's customers.

Refusal-removed models

A models page offers "abliterated" models, versions with refusals removed, "for red teaming, penetration testing and cybersecurity work". The page says "Each model needs approved access" and that some routes run with abuse monitoring.

Team size

Opper was started by two co-founders and added two FinetuneDB co-founders in 2025, but no source gives the total headcount. A company with an ISO 27001 certification and enterprise contracts may well have more people than the four named.

Sources

The grade next to each source is the best grade that the source can support. "Read in full" means that the text of the page was downloaded and the numbers were checked in it.

  1. C Opper AI home page: The European AI gateway for agents
    Read in full, 5 November 2026. Source for the user claim, the models, hosting, uptime figures and customers.
  2. C Opper AI pricing page: AI Gateway Pricing, Provider Rates, No Token Markup
    Read in full, 5 November 2026. Source for the plans and fees.
  3. C Opper blog, Göran Sandahl: Opper AI Acquires FinetuneDB to Accelerate Reliable AI Agents at Scale
    Read in full. Source for the founders, founding year, backers and the acquisition.
  4. C Opper blog, Göran Sandahl: Introducing Opper
    Read in full. Source for the launch date, the Unomaly background and limited availability.
  5. C UpNext, 14 February 2026: Techarena 2026: Epiminds Wins + TOP46 Standouts
    Read the section on Opper AI, in a copy the pipeline downloaded on 6 November 2026. Source for the pre-seed stage and the deployment claim.
  6. C Internet Archive copy of opper.ai, 25 April 2024
    Read in full. Shows the early-access page soon after launch.
  7. C Opper customer story: Instabridge runs a reliable AI agent at global scale on Opper
    Read in full. A customer story written by the company, with a named quote.
  8. C Database of failed startups, local export
    Local export. AI-written summaries, not independently verified. Source for the failed predecessors.

Run this company? Send corrections or a verified figure to aiolum@livyden.com

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