Opper AI
Opper AI is a Stockholm-based AI infrastructure company offering a unified, EU-hosted API gateway providing access to 300+ AI models with built-in observability, routing, guardrails, and GDPR compliance for developers and enterprises building AI agents.
- Company typePrivate
- Founded2023
- HeadquartersStockholm, Sweden
- Headcount1–10
- GTM typeB2B
- OfferingSoftware
What Opper AI does
Opper AI (legal entity: Opper Technology AB) is a Stockholm-based AI infrastructure company founded in 2023 that operates a unified API gateway providing developers and engineering teams access to 300+ AI models across text, image, voice, and video modalities through a single API key. The platform is built on AWS Stockholm infrastructure for EU data residency and is drop-in compatible with the OpenAI, Anthropic, and Google AI SDKs, enabling fast integration for teams building production AI agents and applications.
The company's core technology stack comprises the LLM Gateway (intelligent routing across providers with 180ms automatic failover) and a five-layer AI Control Plane: Observe (per-call and per-session metrics with quality scoring and regression detection), Route (BYOK and model aliases), Steer (context engineering for frontier-level output from smaller models), Guard (PII masking, content filtering, prompt injection detection), and Comply (budget caps, audit trails, GDPR/DORA/EU AI Act readiness). Supporting products include the Agent SDK (Python/TypeScript), Opper CLI for launching coding agents (Claude Code, Codex, OpenCode, Hermes, OpenClaw, pi), Skills for AI code editors, AI Wallet for cost management, and the Task Completion API using structured JSON contracts.
Opper AI generates revenue primarily through usage-based pricing, charging provider cost plus a 3% gateway fee on all model consumption, with no upfront commitment required. An enterprise tier adds zero-data-retention options, dedicated support, and enhanced compliance features on subscription/annual contracts. The company employs 1–10 people, was founded by the former founders of Unomaly (acquired by LogicMonitor), raised $3 million in pre-seed funding in July 2025 (led by Luminar Ventures and Emblem Venture Capital), and acquired FinetuneDB in September 2025 to extend capabilities into the AI model fine-tuning lifecycle. Customers include Instabridge, Ping Payments, Gettested.io, Svenska Bostäder, Aixia, Evroc, and Steep, with the platform reportedly serving 50k+ developers and 10M+ end users.
Opper AI firmographics
Firmographics- Name
- Opper AI
- Legal name
- Opper Technology AB
- Website
- https://opper.ai
- Company type
- Private
- Founded year
- 2023
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Opper AI is a Stockholm-based AI infrastructure company offering a unified, EU-hosted API gateway providing access to 300+ AI models with built-in observability, routing, guardrails, and GDPR compliance for developers and enterprises building AI agents.
- Ownership category
- akta.pro rank
Opper AI industry classification
Industry- Product category
- AI Infrastructure / LLM Gateway Platform
- NAICS
- Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518), Software Publishers (513210)
- SIC
- Services-Prepackaged Software (7372)
- akta.pro primary industry
- Model Serving, Inference & Deployment Platforms (APIs, Edge/On-Prem) (HDAEANAC)
- akta.pro secondary industries
- AI Observability, Monitoring & Evaluation Platforms (Drift, Quality, Safety) (HDAEANAF), Responsible AI, Security & Privacy Platforms (Safety, Guardrails, PII) (HDAEANAG), AI Application Enablement Platforms (Copilot/Agent Frameworks, SDKs) (HDAEANAJ), End-to-End Enterprise AI Platforms (MLOps & Model Lifecycle Management) (HDAEANAA)
Keywords
Where Opper AI is headquartered
LocationHeadquarters
- HQ city
- Stockholm
- HQ country
- Sweden
- HQ region
- Europe
Offices1 record
Markets served
Opper AI business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Infrastructure, Personnel, Marketing or Sales, Operations
Revenue model
- API Gateway Usage Fees: Opper charges provider cost plus a 3% gateway fee on all AI model usage. Users pay for API calls based on the model provider's pricing plus Opper's markup. The platform operates on a pay-as-you-go basis with no upfront commitment required.
- Enterprise Contracts: Enterprise customers can access zero data retention options and dedicated support through Opper Enterprise contracts. These contracts provide enhanced privacy controls and compliance features for larger deployments.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Usage-based | Pay-as-you-go | Pay-as-you-go with 3% gateway fee on provider costs |
| Subscription | Annual | Enterprise tier with zero data retention and enhanced compliance |
Go-to-market motion1 record
Distribution channels4 records
Marketing channels7 records
Opper AI product offering
Product offeringCore offering
Opper AI provides a unified LLM gateway that exposes 300+ AI models across text, image, voice and video through a single API key, with an AI Control Plane layered on top for observability, intelligent routing, context engineering, guardrails, and compliance (GDPR, EU AI Act, DORA). It is drop-in OpenAI SDK compatible, EU-hosted on AWS Stockholm, and sold on pay-as-you-go terms with optional enterprise contracts for zero data retention.
Product overview
Opper AI is a unified AI infrastructure platform positioned as 'The European AI Gateway for Agents' providing a single API for accessing 300+ AI models across text, image, voice, and video. The core platform consists of the LLM Gateway for unified multi-model access with intelligent routing and automatic failover, the AI Control Plane for observability, routing, quality steering, guardrails, and compliance (GDPR, EU AI Act, DORA), and the Agent SDK for building autonomous AI agents with tools and multi-agent composition. Supporting products include the Agent CLI for launching coding agents through Opper, Skills for AI code editor integration, AI Wallet for cost management with BYOK support, and AI Roundtable for multi-model comparison. The Task Completion API uses structured JSON contracts for reliable production AI deployments. Built in Stockholm, hosted in the EU with GDPR compliance.
Differentiator
Problem solved
Functional benefit
Products and services
- LLM Gateway Unified API gateway providing a single API key to 300+ AI models across text, image, voice and video from providers including OpenAI, Anthropic, Google, DeepSeek, Moonshot, xAI, Mistral and others. Includes intelligent routing, automatic provider failover (180ms), model aliases, BYOK support, EU and US hosting, and drop-in OpenAI SDK compatibility at provider cost plus 3% gateway fee.
- AI Control Plane Infrastructure layer for production AI agents delivering five capabilities: Observe (per-call metrics, per-session quality scoring and regression detection), Route (intelligent model routing with BYOK), Steer (semantic example retrieval for context engineering), Guard (PII masking, content filtering, prompt injection detection, tool call restrictions), and Comply (model allowlists, per-namespace budget caps, audit trails for GDPR, DORA, NIS2, EU AI Act).
- Agent CLI Command-line tool that launches coding agents (Claude Code, Claude Desktop, OpenCode, Codex, Hermes, OpenClaw, pi) through Opper's gateway, with full traces, cost tracking, and model routing. Installable globally via npm or runnable on-demand with npx.
- Agent SDK Python and TypeScript SDKs for building autonomous agents with tools, streaming, multi-agent composition, Model Context Protocol (MCP), span tracing, and conversation management. Packaged as unified `opperai` libraries.
- Task Completion API API that uses structured JSON task contracts to help developers deploy AI features reliably in production environments, automating prompt generation and supporting extensive model coverage as a differentiator from manual prompt engineering approaches.
- AI Wallet AI cost and access management product that enables per-namespace budget caps, pay-as-you-go credit top-ups, and bring-your-own-provider-keys (BYOK) usage across the Opper gateway.
- AI Agent Framework Support Unified orchestration and inference layer that routes inference for a broad set of AI agent frameworks (OpenClaw, pi, Hermes, Vercel AI SDK, Continue.dev, Cline, OpenCode, Claude Code, Codex, OpenCode, CrewAI, LangChain) through a single API key, with EU-hosted deployment, routing, observability, and guardrails.
Quantifiable outcome
- Automatic failover between providers in 180ms
- +2 more outcomes
Companies that use Opper AI
Customer profileNamed customers7 records
Segments3 records
Ideal customer profiles2 records
Opper AI technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration16 records
AI capability13 records
Feature9 records
Opper AI partnerships and signals
Strategic signalPartnerships
Ten partnerships are on record, tiered core.
- FinetuneDBcoreAcquisition of FinetuneDB as part of Opper AI's strategy to control the full AI model lifecycle, including training data pipelines and deployment monitoring. This acquisition enhances Opper's capabilities in model fine-tuning and lifecycle management.
- AWS (Amazon Web Services)coreInfrastructure provider hosting Opper's platform in AWS Stockholm region for EU data residency. AWS is used for indexes, tracing, generation, and evaluations with all data encrypted at transit and rest.
- OpenAIcoreAI model provider integrated into Opper's gateway. Routes to GPT models including GPT-5.4, GPT-4o, O3 Mini, and others. Data processing occurs in the United States with SCCs available.
- AnthropiccoreAI model provider integrated into Opper's gateway. Routes to Claude models including Claude Opus 4.8, Claude Sonnet 4.6, and others. Data processing occurs in the United States.
- GooglecoreAI model provider integrated into Opper's gateway. Routes to Gemini models. Providers include Google direct and Google Cloud/Vertex AI (Netherlands for EU).
- DeepSeekcoreAI model provider with 42+ routes through Opper. Includes DeepSeek V4 Pro, DeepSeek V3 series, and DeepSeek R1 reasoning models available on EU and US providers.
- Moonshot AIcoreAI model provider with 24+ routes through Opper. Routes to Kimi models including Kimi K2.6, Kimi K2.5, and others across EU and US providers.
- xAIcoreAI model provider integrated into Opper's gateway. Routes to Grok models including Grok 4.20, Grok 4.3, and others. Available through EU (Ireland) and US routes.
- MistralcoreAI model provider integrated into Opper's gateway. Routes to Mistral models with data processing in France.
- Azure (Microsoft)coreAI model provider integrated into Opper's gateway. Routes to models via Azure AI including GPT models in EU-hosted regions for enhanced compliance.
Scale indicators6 records
Expansion highlights6 records
Opper AI competitors and assessment
Company assessmentDirect peers
- OpenRouter: OpenRouter offers a unified API for routing across hundreds of LLM providers with comparable model breadth and developer-friendly pricing. It is the closest direct competitor to Opper's multi-model gateway, targeting the same AI developer and agent-builder audience.
- Portkey: Portkey provides an AI gateway with routing, observability, and guardrails for LLM applications. It overlaps directly with Opper's gateway and Control Plane Observe/Guard/Route capabilities, serving enterprise AI teams with production reliability features.
- LiteLLM: LiteLLM is an open-source LLM proxy/gateway that standardises calls across 100+ model providers. It competes head-to-head with Opper's gateway offering, particularly for cost-sensitive developer teams who prefer self-hosted infrastructure.
- Helicone: Helicone provides observability, monitoring, and routing for LLM applications. Its feature set overlaps directly with Opper's Observe/Route control-plane layers and is positioned at the same developer-and-enterprise audience.
Broad incumbents
- Cloudflare AI Gateway: Cloudflare AI Gateway offers multi-provider LLM routing, caching, and analytics as part of Cloudflare's broader developer platform. It is a well-capitalised incumbent competing for the same gateway and observability workloads Opper targets.
- AWS Bedrock: AWS Bedrock is a managed service providing unified access to multiple foundation models from Anthropic, Meta, Mistral, Cohere, and others. As the host of Opper's Stockholm infrastructure, it represents both an infrastructure dependency and a potential competitor for gateway and compliance workloads.
- LangSmith (LangChain): LangSmith offers observability, evaluation, and tracing for LLM applications built on LangChain. It competes with Opper's Observe layer for AI operations and quality monitoring, with stronger ties into the LangChain ecosystem.
Emerging players
- Not Diamond: Not Diamond provides intelligent model routing that selects the best LLM per query based on cost and quality. Its routing intelligence overlaps with Opper's Steer and Route control-plane layers, though it does not offer the full gateway breadth.
- Martian: Martian builds intelligent model routing technology that dynamically selects between LLMs. Its focus on routing optimisation parallels Opper's Route and Steer capabilities, though it is earlier-stage and narrower in product breadth.
- Together AI: Together AI provides an inference cloud and open-model APIs with routing across many open-weight models. It overlaps with Opper on multi-model inference and EU hosting concerns, though Together operates its own GPUs rather than purely aggregating other providers.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Opper AI social profiles
Digital presenceOpper AI compliance and trust
Trust signalCompliance4 records
Opper AI financial estimates
Financial estimateRevenue estimate
Valuation estimate
Opper AI leadership team
Management profileNumber of profiles
Profiles2 records
Opper AI subsidiaries and ownership
Company hierarchySubsidiaries1 record
Opper AI funding detail
Funding detailFunding overview
Funding rounds1 record
Investors4 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Opper AI M&A and investment
M&A and investmentM&A1 record
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Opper AI
What does Opper AI do?
Opper AI provides a unified LLM gateway that exposes 300+ AI models across text, image, voice and video through a single API key, with an AI Control Plane layered on top for observability, intelligent routing, context engineering, guardrails, and compliance (GDPR, EU AI Act, DORA). It is drop-in OpenAI SDK compatible, EU-hosted on AWS Stockholm, and sold on pay-as-you-go terms with optional enterprise contracts for zero data retention.
Is Opper AI a public or private company?
Opper AI is a private company. It is classified as venture growth investor backed and is currently operating.
When was Opper AI founded?
Opper AI was founded in 2023. It employs 1 to 10 people.
Where is Opper AI based?
Opper AI is headquartered in Stockholm, Sweden, in the Europe region.
How does Opper AI make money?
Two revenue lines are on record. API Gateway Usage Fees are the primary driver. The others are enterprise Contracts.
Who are Opper AI's main competitors?
Direct peers on record are OpenRouter, Portkey, LiteLLM and Helicone. Broad incumbents are Cloudflare AI Gateway, AWS Bedrock and LangSmith (LangChain). Emerging players are Not Diamond, Martian and Together AI.
Does Opper AI have an API?
Yes. Opper AI offers a unified REST API gateway providing access to 300+ AI models through a single API key. The API is drop-in compatible with OpenAI, Anthropic, and Google AI SDKs using the /v3/compat endpoint. Additional endpoints include /v3/call for structured outputs, /v3/tools/web/search for web search functionality, and support for streaming, MCP (Model Context Protocol), and conversation management. Pricing is provider cost plus 3% gateway fee. Authentication via OPP ER_API_KEY environment variable. Developer documentation is at docs.opper.ai.
What industry is Opper AI in?
Opper AI's product category is AI Infrastructure / LLM Gateway Platform. Its primary akta.pro industry code is HDAEANAC, Model Serving, Inference & Deployment Platforms (APIs, Edge/On-Prem), with a secondary code of HDAEANAF, AI Observability, Monitoring & Evaluation Platforms (Drift, Quality, Safety). Its NAICS code is 518 and its SIC code is 7372.