PHP Runtime Picker
The default PHP runtime for most web applications is PHP-FPM. It boots a fresh application process on every request: load the framework, handle the request, tear it down. For most sites, that is fine. For high-traffic Laravel applications, it is the main bottleneck.
The modern alternatives (FrankenPHP, RoadRunner, and Swoole) keep your application bootstrapped in memory and route subsequent requests through persistent workers. Combined with Laravel Octane, they deliver 2.5 to 3.1 times the throughput of PHP-FPM at 60% lower latency. The tool below will tell you which one is right for your setup.
Performance benchmarks (Deploynix, April 2026, PHP 8.4, representative Laravel app)
| Runtime | Req/sec | vs FPM | P50 latency | P99 |
|---|---|---|---|---|
| PHP-FPM (10 workers) | 850 | baseline | 45ms | 250ms |
| Octane + FrankenPHP (4w) | 2,100 | 2.5x | 18ms | 95ms |
| Octane + RoadRunner (4w) | 2,350 | 2.8x | 16ms | 88ms |
| Octane + Swoole (4w) | 2,600 | 3.1x | 14ms | 78ms |
Source: Deploynix (real Laravel application, not a hello-world route).
Understanding your recommendation
These are server configurations, not software you need to buy or install yourself. If you want to understand what the tool recommended for you, here is a plain-English explanation of each option.
PHP-FPM
The traditional default. Boots fresh on every request. Zero compatibility concerns, universal hosting support. The right choice for low-traffic sites, WordPress, and any non-Laravel PHP application.
FrankenPHP
A modern application server that replaces PHP-FPM with a single deployable file. No separate reverse proxy, no extra configuration. HTTP/2, automatic TLS, and Octane worker mode all come standard. With Laravel Octane, it delivers 2.5x the requests per second of PHP-FPM.
RoadRunner
A high-performance application server that runs alongside PHP and handles requests more efficiently than PHP-FPM. The most established of the modern options, with the longest production track record. Compatible with standard monitoring and debugging tools. With Laravel Octane, it delivers 2.8x the requests per second of PHP-FPM.
Swoole
The highest-performing option, delivering 3.1x the requests per second of PHP-FPM. It adds concurrent request processing to PHP at the cost of greater installation complexity. Generally recommended only for high-traffic applications where a developer team manages the server configuration directly.
Before switching runtimes
- Sort your PHP version first. Runtime choice is a performance question. PHP version maintenance is a security question. If you are on PHP 7.x or an EOL 8.x branch, address that before the runtime.
- Audit for state leaks before enabling Octane. Octane keeps the application in memory between requests. Packages or code that assume a fresh boot on every request may behave unexpectedly. Check the Octane documentation compatibility list before switching in production.
- Test on staging first. PHP-FPM to Octane migrations can surface compatibility issues that only appear under load. Use a staging environment and run your full test suite before touching production.
- Low traffic? Stay on PHP-FPM. Under 500 requests per minute, the difference between PHP-FPM and Octane is imperceptible to users. The operational overhead of switching is not justified at that traffic level.
If you want to see what a runtime migration looks like alongside a PHP version upgrade in practice, read how we rescued a legacy PHP platform without a full rewrite.
Frequently asked questions
What is the fastest PHP runtime in 2026?
Swoole with Laravel Octane delivers the highest raw throughput: 3.1 times the requests per second of PHP-FPM and 14ms median latency versus 45ms, according to Deploynix benchmarks on PHP 8.4 (April 2026). For most applications, RoadRunner with Octane (2.8x) or FrankenPHP with Octane (2.5x) offer a better balance of performance and operational simplicity.
What is the difference between FrankenPHP and PHP-FPM?
PHP-FPM boots your application fresh on every request. FrankenPHP is a modern application server that keeps your application bootstrapped in memory between requests, eliminating the per-request boot overhead. FrankenPHP also ships HTTP/2 and HTTP/3 with automatic TLS, and deploys as a single binary with no separate reverse proxy required.
Do I need Laravel to use FrankenPHP or RoadRunner?
No. Both can serve any PHP application. Without Laravel Octane, they act as enhanced application servers. The 2.5 to 3.1x throughput gains come specifically from Octane worker mode, which is Laravel-only. For non-Laravel PHP applications, FrankenPHP and RoadRunner still offer modest improvements, but the performance gap is narrower.
Is FrankenPHP production-ready in 2026?
Yes. It reached production maturity in 2024 and is recommended by Laravel for containerised deployments. It delivers 2.5x the throughput of PHP-FPM with four workers versus ten, includes HTTP/2 and HTTP/3 natively, and handles TLS automatically. Teams switching to worker mode should audit for Octane state leaks before deploying to production.
Should I switch from PHP-FPM to a modern PHP runtime?
If your application handles under 500 requests per minute, the switch is not worth the operational change. At higher traffic volumes on a VPS or container platform, switching to FrankenPHP or RoadRunner with Octane can meaningfully reduce server costs and improve response times. WordPress sites do not benefit from Octane, which is Laravel-specific.
What is Laravel Octane and how does it relate to PHP runtimes?
Laravel Octane is a first-party Laravel package that enables persistent worker mode on top of FrankenPHP, RoadRunner, or Swoole. Instead of booting the framework on every request, Octane boots it once and routes subsequent requests through persistent workers. PHP-FPM cannot run Octane. Running FrankenPHP or RoadRunner without Octane delivers some improvement but not the full benchmark gains.
Need help with the migration?
Our PHP development team in Sydney can audit your application for Octane compatibility, configure the runtime, and manage the rollout. No lock-in contracts. Talk to our PHP team
