← all parity reports
Silicon & EDA
Kerf vs LTspice
LTspice is the free SPICE standard for analog designers — Kerf wraps it in a cloud-native, chat-driven workflow.
10/11in Kerf today
7/11in LTspice (included)
0behind a paid tier
2026-05-29last reviewed
Grouped by discipline (D1–D14), same as Kerf's own capability list. Click a section to expand it.
D6 Electronics / EDA / silicon
| Capability | Kerf | LTspice |
|---|---|---|
| SPICE — transient simulation |
yes
packages/kerf-silicon/src/kerf_silicon/bridges/ngspice_bridge.py
|
yes source ↗ |
| SPICE — AC small-signal analysis |
yes
packages/kerf-silicon/src/kerf_silicon/bridges/ngspice_bridge.py
|
yes source ↗ |
| SPICE — DC operating-point / sweep |
yes
packages/kerf-silicon/src/kerf_silicon/bridges/ngspice_bridge.py
|
yes source ↗ |
| SPICE — PVT corner sweep (60 corners) |
yes
packages/kerf-silicon/src/kerf_silicon/analog/pvt.py
|
partial source ↗ |
| SPICE — Monte-Carlo mismatch |
yes
packages/kerf-silicon/src/kerf_silicon/analog/pvt.py
|
partial source ↗ |
| SPICE — waveform viewer (interactive) |
yes
src/components/silicon/WaveformViewer.jsx
|
yes source ↗ |
| SPICE — netlist editor with syntax highlighting |
yes
src/components/silicon/SpiceRunPanel.jsx
|
yes source ↗ |
| SPICE — schematic capture GUI |
partial
src/components/silicon/SpiceRunPanel.jsx
|
yes source ↗ |
| SPICE — chat-native / LLM-driven flow |
yes
packages/kerf-silicon/
|
no source ↗ |
| SPICE — open-source / free |
yes
LICENSE
|
yes source ↗ |
| SPICE — sky130 / open PDK model support |
yes
packages/kerf-silicon/src/kerf_silicon/analog/pvt.py
|
partial source ↗ |
- yes shipped
- partial works with limits
- paid tier present, but behind an add-on or meter
- no not available
Corrections welcome. These rows are read off published documentation on the date shown and go stale as products ship. If a row is wrong, open an issue — the source file is public/compare/ltspice.md and every claim in it carries a link.