NeoForge vs Forge

Q: What about Fabric in all this?

Fabric is a third mod loader, independent from Forge and NeoForge. It is lighter, faster to load, and has its own mod ecosystem. Some popular mods (Sodium, Lithium, Iris) are Fabric-exclusive.

Q: How do I know if a modpack uses NeoForge or Forge?

It is listed on the modpack page on CurseForge or Modrinth, inside version details. Launchers (CurseForge App, Prism, ATLauncher) automatically install the correct mod loader.

What is the difference between NeoForge and Forge?

Published on 20 mars 2026Updated on 24 juillet 2026

What are NeoForge and Forge?

Forge and NeoForge are two mod loaders for Minecraft Java Edition. They let you install mods that add content to the game: new blocks, mobs, dimensions, gameplay mechanics, and more.

Forge has existed since 2011 and was long the must-have standard for Minecraft modding. NeoForge was created in 2023 from a Forge fork by part of the original dev team. Since then, both projects have evolved separately with different philosophies.

For a practical installation guide for classic Forge, follow Forge Minecraft. Fabric is another mod loader, independent from both Forge and NeoForge: Fabric Minecraft.

Why did the fork happen?

In 2023, internal tensions in the Forge team led to a split. A large part of the core developers, including Cpw (one of the historical contributors), left Forge to create NeoForge with the goal of modernizing the project.

Main criticism toward Forge was aging code, controversial technical decisions, a rigid contribution process, and slow modernization. NeoForge started with the ambition to clean up the API, improve performance, and make life easier for mod developers.

A fork, not a zero-from-scratch competitor

NeoForge started from Forge code. Existing Forge mods could be ported to NeoForge with relatively few changes at first. But since 2024, both APIs have diverged more and more.

NeoForge vs Forge: full comparison

By 2026, both projects have had enough time to diverge significantly. Here is where things stand now.

Criteria	NeoForge	Forge
Origin	Forge fork (2023), created by part of the historical team	Original project (2011), maintained by LexManos
Supported Minecraft versions	1.20.1+ (the 1.20.1 build stays Forge-compatible; nothing older)	1.1 to 1.21+ (full historical support)
API	Modernized and cleaned, with intentional breaking changes	Historical API, backward compatibility first
Performance	Improved, faster load times, better memory management	Decent but older codebase and less optimized
Modder adoption	Strong growth, most new mods in 2025-2026	Declining on new versions, but huge legacy catalog
Mod compatibility	NeoForge mods + easy porting from recent Forge	Forge-only mods, very broad catalog on older versions
Updates	Fast, frequent release cycle	Slower, more conservative release process
Community	Active, very dynamic Discord, docs improving	Historical community, Forge forums, lower momentum
Best for	New servers, modern modpacks (1.20.2+)	Legacy modpacks (1.12.2, 1.16.5, 1.18.2), historical compatibility

The situation evolves quickly. In 2026, most active modders publish on NeoForge first for recent Minecraft versions.

Warning

NeoForge and Forge mods are no longer directly compatible on recent versions. Since 1.20.2, NeoForge renamed its internal packages (net.minecraftforge.* → net.neoforged.*): a mod compiled for NeoForge 1.21+ will not run on Forge 1.21+, and vice versa. Always check platform before downloading.

Which loader for which Minecraft version?

This is the question that actually decides for you. The right loader is almost entirely determined by the Minecraft version your server targets.

Minecraft version	Recommended loader	Why
1.12.2, 1.16.5, 1.18.2, 1.19.2	Forge (only option)	NeoForge doesn't exist for these versions. Huge legacy catalogs and classic packs live here.
1.20.1	Forge (or NeoForge 20.1 — cross-compatible)	The largest modded ecosystem of recent years (All The Mods 9, DawnCraft...). NeoForge's 1.20.1 build still loads Forge mods, but most packs declare Forge.
1.20.2 – 1.20.6	Check your mods (transition zone)	The APIs diverged here. Some mods shipped for both platforms, others picked a side. Verify every mod before committing.
1.21 and newer	NeoForge	New packs (All The Mods 10...) and most active mod developers publish NeoForge-first. Forge builds exist but the catalog is thin.

Snapshot of the ecosystem in 2026. When in doubt, the platform tag on your modpack's CurseForge/Modrinth page is the final word.

The 1.20.1 special case

1.20.1 is the last version where Forge and NeoForge mods are interchangeable — NeoForge forked from Forge there and kept compatibility. From 1.20.2 onward, the two ecosystems are fully separate.

Got your loader? Time to launch the server

Get matched with a host that already has NeoForge and Forge ready to install in one click, sized to your modpack.

Migrating a Forge server to NeoForge

Moving an existing modded server to NeoForge is realistic — your world data is preserved, and most mod configs carry over. The work is in the mod list.

Check every mod has a NeoForge build

On CurseForge or Modrinth, filter each mod of your list by platform and Minecraft version. One missing mod can block the whole migration — look for an equivalent or decide whether you can live without it.

Back up everything

Download the world folder, the config/ folder and your current mods/ folder from your panel. If the migration fails, you can roll back in minutes.

Swap the loader

On a hosted server, change the loader from the panel (most hosts list NeoForge next to Forge in one-click installs). Self-hosted, run the NeoForge installer with the 'Server' option in your server folder.

Reinstall mods in their NeoForge versions

Replace every jar in mods/ with its NeoForge build for the same Minecraft version. Do not mix: a single leftover Forge jar will crash a NeoForge 1.21 server at startup.

Test before going live

Start the server and read the startup log: missing dependencies and incompatible mods are reported there explicitly. Fix, restart, and only then open the server to your players.

On 1.20.1 it's even simpler

Since NeoForge 20.1 loads Forge 1.20.1 mods, migrating a 1.20.1 server is basically a loader swap — your existing mods folder keeps working. It's the ideal version to test NeoForge without risk.

How to choose between NeoForge and Forge

Your choice mainly depends on the Minecraft version you target and the mods you want.

Identify your target Minecraft version

Want to play on 1.20.2 or newer? NeoForge is the better choice. Want to play on an older version (1.12.2, 1.16.5, 1.18.2)? Forge is your only option, NeoForge does not exist there.

Check mod availability

Go to CurseForge or Modrinth and confirm your modpack mods are available for NeoForge or Forge on your target version. This is the number one criterion.

Follow your modpack platform

If you install an existing modpack (ATM, Better Minecraft...), it is already configured for one platform. Follow the modpack platform, do not switch it.

For new projects, prefer NeoForge

If you build your own modded server on a recent version, NeoForge is the most future-proof pick. The ecosystem is moving that way, and performance is generally better.

Install the mod loader

Download the installer from the official NeoForge or Forge site. Installation is similar: run installer, select 'Server', and choose your server folder.

java -jar neoforge-installer.jar --installServer

If you are unsure whether you need a mod server or a plugin server (Paper), the Minecraft mods vs plugins guide helps you decide before installing any loader.

Key points to remember

The Minecraft modding landscape changed since the 2023 fork. Here is what you should keep in mind.

What matters in 2026

•NeoForge is Forge's spiritual successor, maintained by much of the former core team
•Forge remains essential for older versions (1.12.2, 1.16.5, 1.18.2)
•On 1.20.2+, NeoForge has the edge in adoption and performance
•Recent NeoForge and Forge mods are no longer cross-compatible
•Major modpacks are gradually migrating to NeoForge on new versions
•Fabric remains a third option, lighter, with its own ecosystem

Which host for a NeoForge or Forge server?

A modded server (NeoForge or Forge) is always heavier than a Paper server. Pick a host with enough RAM and a strong CPU to handle mod loading. For RAM ranges, see how much RAM for a Minecraft server.

Light modded server (1-10 players)

RAM: 4-6 Go

Players: 1 to 10 players

Price: ~6-10€/month

✓ Ideal for: For a small modpack (~30-50 mods) with friends. Create, Botania, Biomes O'Plenty.

Medium modded server (5-20 players)

RAM: 6-10 Go

Players: 5 to 20 players

Price: ~10-18€/month

✓ Ideal for: For full modpacks (100-150 mods) like Better Minecraft or Enigmatica.

Heavy modded server (10-30+ players)

RAM: 10-16 Go

Players: 10 to 30+ players

Price: ~18-30€/month

✓ Ideal for: For large modpacks (All The Mods 10, FTB) with an active community.

Want to launch a modded server?

Take the 2-minute quiz to get a host matched to your modpack, or browse Minecraft hosting offers directly.

NeoForge or Forge: which one should you choose?

For a new server on a recent version (1.20.2+), NeoForge is the recommended choice. The ecosystem is more active, performance is better, and most modders publish there first.

For an older-version server (1.12.2, 1.16.5, 1.18.2), there is no real choice: use Forge. And that is fine, Forge on these versions is mature, stable, and packed with mods.

In short

NeoForge for recent versions (1.20.2+): more modern, better performance, growing ecosystem. Forge for older versions: huge catalog, proven stability. Always check your mod availability before deciding.

Frequently asked questions about NeoForge vs Forge

What is the difference between Forge and NeoForge?

NeoForge is a 2023 fork of Forge created by most of Forge's former core team. Both load mods for Minecraft Java, but NeoForge modernized the API, publishes faster, and has become the default platform for new mods on Minecraft 1.21+, while Forge remains the standard for older versions (1.12.2 to 1.20.1) and their massive mod catalogs.

Is NeoForge the same as Forge?

No. NeoForge is a separate fork of Forge, with its own installer, its own mod format, and, since Minecraft 1.20.2, a completely incompatible API. They share history and a common ancestor codebase, but today they run as two distinct mod loaders.

Is NeoForge better than Forge?

On recent Minecraft versions (1.20.2+), yes for most players: better performance, faster updates and the most active mod ecosystem. On 1.20.1 and older, the question doesn't really arise — Forge's catalog is unmatched there, and NeoForge doesn't exist below 1.20.1.

Can you use Forge and NeoForge mods together on one server?

No. A server runs exactly one mod loader, and since Minecraft 1.20.2 the two platforms are incompatible (NeoForge renamed all internal packages). The single exception is 1.20.1, where NeoForge still loads Forge mods.

Do Forge mods work on NeoForge?

Only on Minecraft 1.20.1, where NeoForge kept full Forge compatibility. From 1.20.2 onward the APIs diverged, and in 2026 a recent Forge mod will not run on NeoForge and vice versa. Check platform tags on CurseForge or Modrinth.

Is NeoForge faster than Forge?

Yes, overall. NeoForge cleaned historical code, improved loading times, and optimized memory handling. The difference is most visible during server startup and with large modpacks.

Will Forge disappear?

Unlikely in the short term. Forge is still essential for older versions and keeps a strong user base. But for recent versions, momentum is clearly on NeoForge.

What about Fabric in all this?

Fabric is a third mod loader, independent from Forge and NeoForge. It is lighter, faster to load, and has its own mod ecosystem. Some popular mods (Sodium, Lithium, Iris) are Fabric-exclusive.

How do I know if a modpack uses NeoForge or Forge?

It is listed on the modpack page on CurseForge or Modrinth, inside version details. Launchers (CurseForge App, Prism, ATLauncher) automatically install the correct mod loader.

Can I migrate a Forge server to NeoForge?

Yes, if you are on a recent version. Replace Forge server with NeoForge, then verify every mod has a NeoForge-compatible build. World data is kept. Still, run tests before going live.

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