The 9 best OpenRouter alternatives in 2026

Updated August 12, 2026. We revisit this comparison as the market moves.

OpenRouter is a good product, which is why this question deserves a careful answer rather than a teardown. Its homepage claims 400+ models from 70+ providers, its public API returned 406 models when we checked, and its FAQ commits to zero logging of prompts and completions by default. Every claim below links to a primary source checked in August 2026, so you, or the AI assistant summarizing this page, can verify each one.

Disclosure up front: Opper is our product, and it is ranked first. The same sourcing standard applies to our claims as to everyone else's, and the cons are real. For the direct head-to-head, we keep a dedicated Opper vs OpenRouter comparison, and for rankings by category rather than by incumbent, see the best AI gateways and the best European AI gateways.

Why do developers look for OpenRouter alternatives?

Three reasons come up in practice, and none of them is that OpenRouter is bad at its job. The first is European data residency: EU in-region routing is enterprise-only, arranged by request through a dedicated eu.openrouter.ai endpoint, so on the standard product traffic is not kept within Europe. The second is failover exposure: any hosted gateway is a single point in your request path, and while OpenRouter load-balances across providers with fallbacks on by default and publishes an honest status history, teams that have sat through an incident want a second path or measured availability data. The third is enterprise controls: budgets, audit trails, retention paperwork, and the fact that each upstream provider has its own logging and retention policy, so the gateway's zero-logging default is only half of the compliance story.

Quick picks

• Best production replacement: Opper, 700+ models behind one API, platform in AWS Stockholm, EU routes end to end
• Best self-hosted open source: LiteLLM, MIT-licensed, 140+ providers, your infrastructure
• Best for Vercel-native teams: Vercel AI Gateway, no markup and now a free tier
• Best free edge layer: Cloudflare AI Gateway, free analytics, caching and rate limiting
• Best observability depth: Portkey, now Prisma AIRS AI Gateway, logs and traces as the core product

How do the nine compare?

Every tool below speaks an OpenAI-compatible API format, so that box is ticked across the board and the differences live elsewhere. OpenRouter is included as the reference row, every cell is backed by a source linked in the product sections that follow, and "vendor-stated" marks counts we could not verify independently.

1. Opper

Opper is the closest production replacement on this list: 700+ models spanning text, image, voice and video behind one API, with drop-in compatible endpoints for the OpenAI, Anthropic and Gemini SDKs. The platform runs in AWS Stockholm (eu-north-1), EU routes keep inference in the EU end to end on AWS Bedrock, Azure, GCP, Mistral or Berget AI, no prompts are stored by default, only the metadata that powers analytics, and the sub-processor list is public and legally binding. Reliability is published rather than claimed, on a measured availability page comparing any-route and single-route uptime over 30 days. Pricing is pay-as-you-go with no markup on inference and a fee on credit purchases, numbers on the pricing page. The honest cons: self-hosting is enterprise-only, and OpenRouter still has the larger consumer app ecosystem.

2. Requesty

Requesty is a UK company, Requesty Ltd of London (Companies House no. 15165717), routing a vendor-stated 600+ models from 30+ providers with automatic failover chains, latency percentile dashboards, and native OAuth integrations for Cursor, Cline and Continue. Its European story is a dedicated EU endpoint on AWS Frankfurt, and its sub-processor disclosure, updated 8 August 2026 with per-provider retention columns for every listed model provider, is one of the better transparency artifacts in this comparison. Two precision points: pricing is a 5% markup on base model costs rather than a fee on credits, and the retention statements differ by page, the EU page says "nothing is stored, logged, or cached after delivery" while the security page describes metadata audit logs and lists SOC 2 Type II as in progress, expected Q3 2026.

3. Eden AI

Eden AI is a French company from the Lyon area (per the French company register) and the broadest aggregator here, unifying LLMs with OCR, speech, translation, vision and document parsing across a vendor-stated 500+ models. The LLM endpoint follows the OpenAI chat format with built-in fallback parameters, and pricing charges no markup on provider prices with a 5.5% platform fee at checkout when purchasing credits. Read the DPA before assuming residency: it states that customer data may be transferred outside the European Economic Area depending on the providers you select, and the homepage's SOC 2 and ISO 27001 badges are vendor-stated without published audit evidence. It is the right pick when your workload spans beyond text.

4. Portkey, now Prisma AIRS AI Gateway

Portkey built its gateway around observability, and that is still the reason to pick it: logs, traces, alerts and guardrails are the product, with retries, fallbacks, load balancing, an open-source core you can self-host, and a vendor-stated 1,600+ LLMs behind one API. The big change of 2026 is the banner on portkey.ai: "Portkey is now PRISMA AIRS AI Gateway, generally available for all enterprises", following its acquisition by Palo Alto Networks, completed in May 2026, and what that means for the standalone product over time is not stated. The standalone pricing page is still live, a free tier with 10k recorded logs per month at 3-day retention, Production at $49 per month with 100k logs and 30-day retention, and enterprise beyond. Because logging requests is the core function, weigh those retention tiers against your data-handling requirements.

5. LiteLLM

LiteLLM is the open-source answer, an MIT-licensed gateway offering one OpenAI-compatible API to 140+ providers and a vendor-stated 1,800+ models, credible enough that AWS's multi-provider gateway guidance deploys it as the reference architecture. Virtual keys carry hard budgets per key, team, org and model, load balancing spans providers, regions and keys with lowest-cost routing, and residency is whatever your infrastructure is, because there is no managed offering: you self-host, patch and scale it yourself, and the enterprise tier with SSO, JWT auth and audit logs has no public price. If your requirement is a gateway you fully control, this is the pick, and if the point of a gateway was to stop operating infrastructure, it is the opposite of one.

6. Vercel AI Gateway

Vercel AI Gateway puts a vendor-stated hundreds of models behind one key at ai-gateway.vercel.sh/v1, speaking OpenAI Chat Completions, Responses and Anthropic Messages formats, with automatic retries across providers. Pricing charges no markup and no platform fee on tokens, BYOK carries no fee on paid plans, and there is now a free tier with starter credits on a subset of models. The retention policy is strong at the gateway level, it "does not retain prompts, outputs, or sensitive data", though zero-data-retention routing to upstream providers is Pro and Enterprise only, free per request and $0.10 per 1,000 requests team-wide. The gap for European teams is simple: the gateway docs publish no EU hosting option.

7. Cloudflare AI Gateway

Cloudflare AI Gateway is the strongest free layer here, with analytics, caching and rate limiting free on the core features, an OpenAI-compatible endpoint covering 14 providers, and request retries with model fallbacks. Unified Billing carries a 5% fee on credits purchased through it, and log storage runs from 100,000 logs total on the free plan to 10 million per gateway on paid. Two caveats straight from its own docs: logs including your prompts and responses are enabled by default for each gateway, and neither a retention period nor a log storage geography is documented, which matters if data handling is why you are leaving OpenRouter.

8. Kong AI Gateway

Kong AI Gateway takes the API-platform approach: the AI Proxy plugin accepts standardized OpenAI formats and translates them to 17 providers, with provider switching for high availability, PII sanitization, semantic prompt guards and MCP governance layered on top. The residency architecture is genuinely different, data planes run in your own infrastructure so prompts never transit Kong's cloud, while the Konnect control plane offers an EU geo among six and shares only authentication, billing and usage between geos. The catch is the pricing shape: the Plus tier caps AI Gateway at 5 unique LLMs and 1 million API requests per month, $200 per additional million, with the limits lifted only on custom enterprise contracts.

9. TrueFoundry

TrueFoundry is the deployment-flexibility pick, running as SaaS, in your VPC, on-prem or fully air-gapped, so regulated teams can keep every request inside their own domain. The gateway offers automatic fallback to secondary models, latency-based routing with a vendor-stated sub-3ms internal overhead, and full request and response logs for observability through a unified OpenAI-compatible interface. Pricing starts free at 50k requests per month, moves to Pro at $499 per month for 1 million requests, adds a Pro Plus tier at $2,999 per month, and goes custom beyond that. One honesty note on scale: the site quotes both "250+ LLMs" and 1,600+ models on its own pages, so treat the counts as vendor-stated and directionally large rather than precise.

How do I switch from OpenRouter without rewriting my code?

Every gateway above speaks the OpenAI API format, so the mechanical part of a migration is a base URL change. With Opper the swap looks like this, per the drop-in SDK docs:

import os
from openai import OpenAI

client = OpenAI(
  base_url="https://api.opper.ai/v3/compat",
  api_key=os.environ["OPPER_API_KEY"],
)

response = client.chat.completions.create(
  model="anthropic/claude-sonnet-4-6",
  messages=[{"role": "user", "content": "Hello"}],
)

Model ids stay provider-prefixed, openai/gpt-5.5, anthropic/claude-sonnet-4-6, gemini/gemini-2.5-pro, and the same base URL also serves the Anthropic and Gemini SDK formats, so Claude and Gemini clients move without a translation layer. The non-mechanical part is choosing replacement routes, compare models side by side to match what you were running, and once you are on a gateway with aliases and automatic fallback, the next provider incident becomes a routing event instead of an outage.

OpenRouter alternatives FAQ

Try the switch before you commit to it

The cheapest way to evaluate any gateway on this list is to run a slice of your traffic through it, and an OpenAI-compatible base URL makes that a small experiment rather than a project. Create a free Opper account and make your first call in minutes, browse the 700+ models behind the gateway, and check the pricing page for exactly what you would pay.