Surge XT

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

Surge XT is ranked #5 of 32 in software synthesizers on Inferse. It runs on Linux, macOS, Windows. There is a free plan.

Compared on software synthesizers

Free plan: Yessurge-synthesizer.github.io
Plugin formats: vst3, au, clapsurge-synthesizer.github.io
Standalone app: Yessurge-synthesizer.github.io
MPE support: Yessurge-synthesizer.github.io

Facts

What it does: Surge XT is a virtual instrument plugin and hybrid synthesizer for making music.surge-synthesizer.github.io · 30 Sept 2026
Synthesis: Its subtractive hybrid synthesis engine provides two scenes per patch that can be layered or split.surge-synthesizer.github.io · 30 Sept 2026
Sound library: The product page lists over 2,800 patches and over 700 wavetables.surge-synthesizer.github.io · 30 Sept 2026
Oscillators: Each scene has three oscillators with 12 oscillator algorithms, including wavetable, FM, string, and audio input.surge-synthesizer.github.io · 30 Sept 2026
Modulation and effects: The feature list includes 12 LFO units, flexible modulation routing, 16 effect units, and 27 effect algorithms.surge-synthesizer.github.io · 30 Sept 2026
Performance features: The site lists MPE, Scala and MTS-ESP microtuning, and Open Sound Control support.surge-synthesizer.github.io · 30 Sept 2026
Plugin formats: Stable downloads include CLAP and VST3 on Windows, AU, CLAP, and VST3 on macOS, and CLAP, LV2, and VST3 on Linux.surge-synthesizer.github.io · 30 Sept 2026
Host requirement: Surge XT is primarily an instrument plugin and requires a DAW or another compatible host to run as a plugin; a standalone executable is also available.surge-synthesizer.github.io · 30 Sept 2026
Notable format limits: The FAQ says the project does not distribute AAX builds and explains that its distributed builds moved to VST3 and AU starting with Surge 1.7.0.surge-synthesizer.github.io · 30 Sept 2026
License and music use: Surge XT is free and open source under GPL3, and the FAQ says users may distribute or commercially license music and other output made with it.surge-synthesizer.github.io · 30 Sept 2026
Security and compliance: The official pages reviewed describe GPL3 licensing but make no security certification or compliance claim.surge-synthesizer.github.io · 30 Sept 2026
Support: The FAQ directs users who need help to the Surge Synth Team Discord help channel.surge-synthesizer.github.io · 30 Sept 2026
Intended users: The site presents Surge XT for sound designers and music makers, and welcomes volunteer developers, designers, testers, and content creators.surge-synthesizer.github.io · 30 Sept 2026
Stable release: The downloads page identifies Surge XT 1.3.4 as the stable version recommended for music making in a normal production environment.surge-synthesizer.github.io · 30 Sept 2026