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Opper

● Identity checked

EU-hosted model gateway and control plane · Official-source review 2026-10-09

Opper offers a unified model gateway with SDK compatibility, provider fallbacks and optional organization controls. Its Stockholm-hosted platform advertises model allowlists, budgets, routing and configurable trace retention.

Updated 2026-10-09View sources
Official website
Category
EU-hosted model gateway and control plane
Free access
Selected free models available in API/playground without a card. Gateway BYOK advertised free; premium provider usage and applicable platform fees separate.
API access
OpenAI/Anthropic/Gemini compatibility plus Management API and MCP advertised. Management rules require Control Plane.

Is Opper right for you?

A good fit for

Relevant to developers who need explicitly selected provider routes and residency/retention controls.

Before you choose

Gateway charges3% on purchased credits; Control Plane5.5%, provider token rates passed through. LLM checks additionally charged per check; rates not established. Default stores usage metadata, not prompt/response content. Optional traces1–30days. Provider policy differs by route: EU platform hosting does not ensure every inference EU-only or ZDR. Specific Azure/Vertex ZDR routes need signed Enterprise terms. No minimum top-up spend advertised; VAT extra. ISO/GDPR claims require trust documentation. SDK parity, model count and100% effective-uptime examples untested. No API call, migration, privacy or failover test performed.

Workflow and handoff

Select an eligible route and retention policy, send a harmless compatibility request, and compare provider/fee charges before production migration.

Pricing and practical limits

Gateway charges3% on purchased credits; Control Plane5.5%, provider token rates passed through. LLM checks additionally charged per check; rates not established. Default stores usage metadata, not prompt/response content. Optional traces1–30days. Provider policy differs by route: EU platform hosting does not ensure every inference EU-only or ZDR. Specific Azure/Vertex ZDR routes need signed Enterprise terms. No minimum top-up spend advertised; VAT extra. ISO/GDPR claims require trust documentation. SDK parity, model count and100% effective-uptime examples untested. No API call, migration, privacy or failover test performed.

Review method

Official product evidence reviewed on 2026-10-09; product artwork inspected visually. No hands-on vendor application test was performed. Application performance, security claims and plan enforcement were not independently tested.

What it can do

Features & capabilities

Unknown is different from unavailable. Each fact carries its own evidence.

CapabilityValueEvidenceChecked
Product workflowOpper offers a unified model gateway with SDK compatibility, provider fallbacks and optional organization controls. Its Stockholm-hosted platform advertises model allowlists, budgets, routing and configurable trace retention.Facts sourced2026-10-09
Pricing and restrictionsGateway charges3% on purchased credits; Control Plane5.5%, provider token rates passed through. LLM checks additionally charged per check; rates not established. Default stores usage metadata, not prompt/response content. Optional traces1–30days. Provider policy differs by route: EU platform hosting does not ensure every inference EU-only or ZDR. Specific Azure/Vertex ZDR routes need signed Enterprise terms. No minimum top-up spend advertised; VAT extra. ISO/GDPR claims require trust documentation. SDK parity, model count and100% effective-uptime examples untested. No API call, migration, privacy or failover test performed.Facts sourced2026-10-09

Understand the total cost

Opper pricing & plans

Gateway

Not listed

Usage;3% credit-purchase fee

Included scope
Model access, per-request fallback and BYOK

Enterprise

Not listed

Negotiated contract

Included scope
SLA, identity and deployment terms
Explore pricing & history

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The practical questions

Frequently asked questions

Was the application hands-on tested?

No. This listing is based on dated official-source evidence and a visual artwork check. Unconfirmed costs and restrictions are identified explicitly.

What is Opper used for?

Opper offers a unified model gateway with SDK compatibility, provider fallbacks and optional organization controls. Its Stockholm-hosted platform advertises model allowlists, budgets, routing and configurable trace retention.

Does Opper have a free plan?

Selected free models available in API/playground without a card. Gateway BYOK advertised free; premium provider usage and applicable platform fees separate.. This record lists ongoing free access; check the plan limits before starting.

How much does Opper cost?

No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.

Can I use Opper through an API?

OpenAI/Anthropic/Gemini compatibility plus Management API and MCP advertised. Management rules require Control Plane.. API access and subscription access may have different terms; consult the linked sources.

What should I check before choosing it?

Gateway charges3% on purchased credits; Control Plane5.5%, provider token rates passed through. LLM checks additionally charged per check; rates not established. Default stores usage metadata, not prompt/response content. Optional traces1–30days. Provider policy differs by route: EU platform hosting does not ensure every inference EU-only or ZDR. Specific Azure/Vertex ZDR routes need signed Enterprise terms. No minimum top-up spend advertised; VAT extra. ISO/GDPR claims require trust documentation. SDK parity, model count and100% effective-uptime examples untested. No API call, migration, privacy or failover test performed.

Price history

No retained pricing changes yet. A current price alone does not establish a historical trend.

How this profile is supported

Official product information

Current official product source read individually; product artwork inspected visually.

Read original source ↗

Facts apply to the named version and check date. Send a sourced correction if something changed.