ESX vs QBCore vs Ox Core: Which FiveM Framework Should You Choose in 2026?

Every week a new server owner asks the same question in Discord: "ESX or QBCore?" Sometimes "or Ox Core?" The answers they get are mostly tribal — people defending whichever framework they happen to be running. This post takes a different angle: what each framework is actually good at, what its real costs are, and what your community structure should tell you about which to pick.

The 30-second answer

If you don't want to read the whole thing:

• ESX Legacy — pick this if you want the biggest script ecosystem, fastest time-to-launch, lowest learning curve. The "safe" default for any new server.
• QBCore — pick this if you're a roleplay purist who wants character-first design and a different feel from ESX. Active community, decent script ecosystem.
• Ox Core — pick this if you have an actual developer on the team and want the cleanest modern codebase. Smaller ecosystem but rapidly growing.

Anything else here is detail to back those calls.

What each framework actually is

ESX (Legacy)

ESX is the original. The name itself comes from "Essential Mode Extended" — a 2018 add-on to the older Essential Mode. ESX Legacy is the maintained fork (started 2021) after the original repo went dormant. As of 2026 it's on version 1.13.x and actively maintained by the esx-framework organization.

ESX is built around the concept of jobs and money. A player has a job, a salary, accounts (bank, money, black money), and grades. The whole framework is shaped around that model.

QBCore

QBCore (QBus Core) launched in 2021 as a "modern alternative" to ESX. It uses similar concepts but rebuilt from scratch with cleaner code, better events, and a stronger focus on character data. Maintained by the qbcore-framework organization.

QBCore is built around the character. A player has a citizenid, metadata (hunger, thirst, stress), and the framework hands you a structured PlayerData object instead of ESX's xPlayer. Money is just one piece of metadata.

Ox Core

Ox Core (formerly ox_core) is the newest of the three, from the Overextended team — the same people who made ox_inventory, ox_lib, oxmysql. Built from the ground up in TypeScript, with strong typing, modern Lua bindings via ox_lib, and zero legacy baggage.

Ox Core is built around composable services. The framework gives you primitives (accounts, groups, metadata, vehicles) and you build your concept of "job" on top. More work upfront, dramatically cleaner long-term.

Side-by-side comparison

                          ESX Legacy    QBCore        Ox Core
First released            2018          2021          2023
Maintenance               Active        Active        Active
Codebase quality          ★★★☆☆         ★★★★☆        ★★★★★
TypeScript                No            No            Yes
ox_lib integration        Optional      Optional      Built-in
ox_inventory              Optional      Optional      Required
Performance overhead      Low           Low           Lowest
Script ecosystem          ★★★★★         ★★★★☆        ★★☆☆☆
Learning curve            Easy          Moderate      Steep
Hosting cost              Same          Same          Same
Migration difficulty      —             Hard          Very hard

Ecosystem size: this is the real deciding factor

The framework itself is 5% of what your server actually runs. The other 95% is third-party scripts: jobs, phones, garages, inventories, anti-cheat, mini-games. Your framework choice determines how much of that ecosystem you can use without modification.

ESX ecosystem (2026)

• Tebex / Cfx.re escrow listings tagged ESX: ~12,000+
• GitHub repos: thousands, mixed quality
• Premium script vendors with active ESX support: 50+
• Compatible OR convertible scripts: ~95% of the FiveM market

If you pick ESX, you can buy or download a script for nearly anything you can think of, today, this afternoon, and it will probably work. That's the biggest reason ESX still dominates.

QBCore ecosystem

• Tebex listings tagged QBCore: ~4,500+
• Premium QBCore-first vendors: 15-20
• Ecosystem trend: stable to slightly growing

QBCore has its own dedicated vendor scene now. Quality is generally higher than the ESX average (less recycled junk), but you'll occasionally need an ESX→QB conversion for something niche.

Ox Core ecosystem

• Native Ox Core scripts: a few hundred
• Ox Core compatible (via ox_lib bindings): growing
• Vendor commitment: mostly Overextended themselves + a few dedicated devs

Ox Core's ecosystem is real but small. If you go Ox Core, expect to write or commission 30-40% of your scripts. For a dev-heavy team that's exciting; for a solo owner with no coder, it's a trap.

Code quality & developer experience

ESX code looks like

ESX = exports['es_extended']:getSharedObject()

RegisterNetEvent('myscript:giveMoney')
AddEventHandler('myscript:giveMoney', function(amount)
    local xPlayer = ESX.GetPlayerFromId(source)
    if not xPlayer then return end
    xPlayer.addMoney(amount)
end)

Works. Verbose. Lots of indirection (events for things that could be direct calls). No type safety.

QBCore code looks like

local QBCore = exports['qb-core']:GetCoreObject()

RegisterNetEvent('myscript:giveMoney', function(amount)
    local Player = QBCore.Functions.GetPlayer(source)
    if not Player then return end
    Player.Functions.AddMoney('cash', amount)
end)

More structured. Functions live on the player object. Slightly more typing but easier to discover what's available.

Ox Core code looks like

local Ox = require '@ox_core/lib/init'

lib.callback.register('myscript:giveMoney', function(source, amount)
    local player = Ox.GetPlayer(source)
    if not player then return end
    player.addAccountMoney('cash', amount)
end)

Cleanest. Callbacks instead of fire-and-forget events. Explicit imports. If you're writing in TypeScript (ox_core supports it), you get full IDE autocomplete.

Performance

On idle and low-player counts, all three frameworks perform basically identically (sub-0.10ms resmon). The difference shows up at scale.

• ESX Legacy: performs well up to 200 players. Some legacy event patterns are inefficient under load.
• QBCore: similar to ESX. The metadata system can become a hotspot if you store lots of custom keys.
• Ox Core: measurably leaner thanks to ox_inventory's batched updates and ox_lib's modern primitives. Best choice for 500+ slot ambitions.

That said: your scripts bottleneck the server long before the framework does. A single badly-written job script with a 200ms DB query will hurt more than the framework choice.

Player-facing differences (your community will notice)

Players don't know what framework you run. They notice:

• Identifier system — ESX uses license-prefix identifiers. QBCore uses citizenids. Ox Core uses charid. Switching frameworks means new IDs for everyone unless you migrate manually.
• Multi-character — QBCore has it built-in. ESX and Ox Core need an addon (most ESX servers use esx_multicharacter).
• Status system — QBCore ships hunger/thirst/stress. ESX has basic needs as add-ons. Ox Core leaves it to you.

Migration cost (if you're already running one and considering switching)

ESX → QBCore

A 30-60 day full-time project for a decent dev. Player data conversion is the easy part (script exists). The hard part is rewriting all your custom scripts to use Player.Functions instead of xPlayer.* — and finding QBCore equivalents for every paid ESX-only script you bought.

ESX → Ox Core

3-6 months. You're not just rewriting framework calls, you're rewriting against a different paradigm. Most existing scripts won't work without significant refactor. Realistically: only do this if you're committing to be primarily Ox Core long-term.

QBCore → Ox Core

2-4 months. Easier than ESX → Ox because QBCore's metadata model is closer to Ox's composable services. Still nontrivial.

The honest take

Almost nobody actually completes a framework migration. They start, run both frameworks in parallel "temporarily" for testing, lose 30% of players to the chaos, and abandon the migration 8 weeks in. Pick the right framework the first time is much cheaper advice than "migrate when it's wrong."

Picking by community type

The most common mistake we see

People pick QBCore or Ox Core because "it's better than ESX" — without budgeting for the smaller script ecosystem. Three weeks in, they realize the garage script they wanted is ESX-only, the phone they wanted requires conversion, the job they planned needs custom development. They either: (a) painfully port everything, or (b) quietly switch to ESX and try not to mention it.

"Best framework" doesn't matter if you can't actually ship a server. "Best framework I can practically launch with" usually means ESX.

What we recommend devCon customers run

We test our scripts primarily on ESX Legacy (where most of our customers are). All our products work on Legacy 1.13.x with OneSync Infinity. For QBCore, we ship dedicated QBCore-compatible versions of our most-used scripts. Ox Core support is on the roadmap for 2026 H2.

If you're picking your stack right now, our advice: start with ESX Legacy + ox_inventory + ox_lib + lb-phone. That combo lets you use 95% of the ecosystem, has the lowest launch friction, and you can always add Ox Core primitives later for new development without ripping out what works.

Bringing it together

None of these frameworks is "wrong." All three power successful, profitable RP servers in 2026. The difference is fit: matching the framework to your team's skill, your community's expectations, and your willingness to do custom development.

Pick honestly. Don't pick based on what someone louder than you says is "better." Pick based on what you can actually build with, ship with, and maintain in two years.

Related reading

• Best ESX scripts 2026: the must-have list
• FiveM optimization: from 30 to 60 FPS on a busy server
• How to set up your own FiveM server (beginner guide)