Modrinth · Minecraft modpack

OptiPrime

A pre-configured, open-source client modpack that replaces OptiFine. It increases framerates (FPS) and lowers RAM allocation through a tested combination of performance mods.

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which OptiPrime release matches Quilt?

Updated last month

Best match for your filters OptiPrime QL17 [1.20.1] [Quilt]

Game version 1.20.1

Loader Quilt 0.31.0-beta.4

OptiPrime QL17 [1.20.1] [Quilt] is a complete pack release for 1.20.1 with Quilt 0.31.0-beta.4. Install it as its own launcher instance. If the creator publishes a separate server file, make sure it names this exact pack release. 23 mods in this pack file.

Pack setup

How should I set up OptiPrime for players and a server?

Use OptiPrime QL17 [1.20.1] [Quilt] as the pack version. Install the pack as its own launcher instance. The creator’s listing does not name a separate server file, so check the release notes before setting up a dedicated server. Do not upload the ordinary client folder blindly.

Client instance Install OptiPrime QL17 [1.20.1] [Quilt]

Dedicated server setup Match OptiPrime QL17 [1.20.1] [Quilt]

Pack loader Quilt 0.31.0-beta.4

A pack is a matched client and server setup, not one mod with an install-side label. Keep its release, loader, manifest and overrides together.

Plan the server requirements Read the Minecraft installation guide

Referenced mods 23

Client only 9

Server only 6

Not labelled 8

These numbers come from the pack file you chose. “Not labelled” means we don’t know which side it belongs on—not that it is safe everywhere. The file count is not a RAM estimate.

What are the server requirements for OptiPrime?

OptiPrime QL17 [1.20.1] [Quilt] on Quilt. The pack contents and setup notes below stay tied to that release.

23 mods in this pack file

The selected pack release is OptiPrime QL17 [1.20.1] [Quilt]. That file is for Minecraft 1.20.1 with Quilt 0.31.0-beta.4. It contains 23 mod projects. The creator’s listing does not name a separate server file. Check their notes before using one, and do not upload an ordinary client folder or rebuild the pack mod by mod. A file count cannot tell us the right RAM, CPU or storage; size the server for the players and world you actually run.

About this project

What kind of pack is OptiPrime?

OptiPrime is a pre-configured client modpack built to reduce RAM consumption and increase framerates (FPS). It functions as an open-source alternative to OptiFine.

Functional Features

Pre-assembled: A ready-to-use mod list. Requires no manual searching or testing of individual mods.
Resource Management: Lowers memory allocation and stabilizes frametimes across different hardware setups.
Open-Source Base: Compiled entirely from open-source projects, ensuring technical transparency and rapid updates.
Multi-Loader Support: Actively maintained for NeoForge, Fabric, Forge, and Quilt.

Technical Foundation

Performance is achieved through a specific set of mods (exact list varies by loader and game version):

Rendering: Sodium / Embeddium alters chunk rendering logic to increase FPS.
Memory: FerriteCore and ModernFix reduce RAM usage and patch vanilla memory leaks.
Culling: EntityCulling and MoreCulling skip the rendering of unseen entities and blocks to save CPU cycles.
Shaders: Iris / Oculus provide native compatibility for shader packs.

Version Support

We maintain the modpack across the following game versions:

Minecraft Version	Supported Loaders	Status
26.2	NeoForge, Fabric	🟢 Active (Frequent updates)
26.1.2	NeoForge, Fabric	🟢 Active
1.21.4	NeoForge, Fabric	🟡 Stable / LTS
1.21.1	NeoForge, Fabric	🟡 Stable / LTS
1.20.1	NeoForge, Fabric, Forge, Quilt	🟡 Stable / LTS
1.19.4	Fabric	🟡 Stable / LTS
1.16.5 & 1.12.2	Forge, Fabric	🟡 Stable / LTS
1.19.2 & Below	Fabric, Quilt	🔴 Not supported

Feedback & Bug Reports

Bug reports, technical suggestions, and direct communication with the developer are handled via our Discord server.

Project description from Modrinth.

Mods in OptiPrime QL17 [1.20.1] [Quilt]

Open any mod on Modpacks.ch to check its files and dependencies.

almanac-1.20.x-fabric-1.0.2.jar SHA-1 0f31abe886e9785592f1896c7c1ffe5992e2c6de · Modrinth version QM6nx1Sa · Project link unavailable Server only

alternate-current-mc1.20-1.9.0.jar SHA-1 f09b6c60556ca329b82d4bdb965dd4f574c0e1e3 · Modrinth version ckuIQWvo · Project link unavailable Server only

cloth-config-11.1.136-fabric.jar SHA-1 d5fe84a0cc9ed5c7290a76ba570e1f8716afecab · Modrinth version 2xQdCMyG · Project link unavailable Side not labelled

enhancedblockentities-0.9+1.20.jar SHA-1 61cfe50f69f8ef9e3640c0269ef158870f5b0410 · Modrinth version i3v1Skck · Project link unavailable Client only

entityculling-fabric-1.11.2-mc1.20.1.jar SHA-1 fd43e8a962d7026fa5342c260fd3b3f98809913c · Modrinth version sV6RnlBw · Project link unavailable Client only

ferritecore-6.0.1-fabric.jar SHA-1 8fa3b84fc5860dbc30fdf8cced02af68dffcf3fa · Modrinth version unerR5MN · Project link unavailable Side not labelled

Icterine-fabric-1.20.0-1-1.3.0.jar SHA-1 7fba5fc91b2d5246db0ceb44d8c1406f29b5aa3c · Modrinth version GI28mwG5 · Project link unavailable Server only

ImmediatelyFast-Fabric-1.5.5+1.20.4.jar SHA-1 9f0110b60dc752ca093f2fc10a72d221b6dc8ac3 · Modrinth version iwYUrQJO · Project link unavailable Client only

iris-1.7.6+mc1.20.1.jar SHA-1 880c0b9ce38bb4997645793407c1801df83f4233 · Modrinth version s5eFLITc · Project link unavailable Client only

Ksyxis-1.4.5.jar SHA-1 026b789a30de912a40911443c37c2fc92579629e · Modrinth version 9CU8nnVG · Project link unavailable Server only

letmedespawn-1.20.x-fabric-1.5.0.jar SHA-1 49537044b774743cd37a834567204f7662a5329c · Modrinth version rOkgwJ12 · Project link unavailable Server only

lithium-fabric-mc1.20.1-0.11.4.jar SHA-1 048227ed60a3005cf9fa55880dfe0cf20b0ba680 · Modrinth version iEcXOkz4 · Project link unavailable Side not labelled

lunade-fastanim-1.6-1.20.jar SHA-1 0e611399323878b9f3efcc6016ea5d6eefc8c765 · Modrinth version 5lHXCowj · Project link unavailable Client only

memoryleakfix-fabric-1.17+-1.1.5.jar SHA-1 784bbbe9c64ac9d3d4ad19786c02291e607fcf4e · Modrinth version 5xvCCRjJ · Project link unavailable Side not labelled

Methane 2.5.0.jar SHA-1 a736e8feb63328f5b0b2e12f80613d4bbbb64d70 · Modrinth version a9byOIPF · Project link unavailable Client only

modmenu-7.2.2.jar SHA-1 099c68feeb74887cbbbd8ce9a27c6123804a2c5a · Modrinth version lEkperf6 · Project link unavailable Client only

moreculling-1.20.1-0.24.6.jar SHA-1 c99e1ede1b0a6b90467078a8abdd6259c83d77f4 · Modrinth version MI90wAbW · Project link unavailable Client only

packetfixer-3.3.2-1.18-1.20.4-merged.jar SHA-1 79ebc5e66a5ee3ce92afb340e693d506e97361a0 · Modrinth version 9F4NGhGR · Project link unavailable Side not labelled

qfapi-7.7.0_qsl-6.3.0_fapi-0.92.2_mc-1.20.1.jar SHA-1 fa2868388b175e32e4d3310a5bf065593837bc5c · Modrinth version s8dfz9Xa · Project link unavailable Side not labelled

railoptimization-fabric-mc1.20.1-1.6.jar SHA-1 c0b2c10023079a819e3b5a3648e212caee928483 · Modrinth version eYdnLaiw · Project link unavailable Server only

sodium-fabric-0.5.13+mc1.20.1.jar SHA-1 bcdbf37d9494e405cba210d7a80ed58e756297b5 · Modrinth version OihdIimA · Project link unavailable Client only

1 loader build

Forge OptiPrime FG04 [1.12.2] [Forge] 4 stable files · 4 total · 28 Sept 2026

28 Dec 2024

Check the 1.21 · Quilt setup

Quilt1.21 release

Download on Modrinth

Looking for an older file? The official Modrinth project page is in Resources.

OptiPrime

Which OptiPrime release matches Quilt?

How should I set up OptiPrime for players and a server?

What are the server requirements for OptiPrime?

What kind of pack is OptiPrime?

Functional Features

Technical Foundation

Version Support

Feedback & Bug Reports

Mods in OptiPrime QL17 [1.20.1] [Quilt]

OptiPrime by Minecraft version and loader

26.2

26.1.2

1.21.4

1.21.1

1.21

1.20.1

1.19.4

1.16.5

1.12.2

OptiPrime versions and loaders

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