Who uses what, all day. Hover tool chips for why-it’s-standard / why-it’s-rising. Clicks open vendor site.
AI accelerator buildout is gated by four interlocking bottlenecks — design cost, AI-in-EDA, CoWoS capacity, and chiplet integration — all passing through EDA + advanced packaging. Design cost: $500M–$1B NRE at N3/N2 pushes hyperscalers toward Broadcom/Marvell/Alchip as design-service partners. AI-EDA: every vendor pivoted (Synopsys DSO.ai 2020, Cadence Cerebrus 2021) and layered generative-AI copilots in 2023–24. CoWoS: the single biggest AI bottleneck; TSMC doubled capacity annually. Chiplets: UCIe 2.0 normalized 3D; Blackwell + MI300 + TPU v5 all use dual-die packaging. The single pivotal corporate event: Synopsys-ANSYS close (Jul 2025) makes Synopsys the only full-stack silicon-to-systems signoff vendor.
Every lane of work: who owns it, who's challenging, and why.
Synopsys fired first (DSO.ai March 2020); Cadence answered with Cerebrus (July 2021). Both now ship generative-AI copilots. The win condition: 10–20% PPA or 2× turn-around becomes a moat.
Nvidia allegedly takes >50% of CoWoS-L. Every hyperscaler accelerator roadmap is in allocation negotiation. TSMC doubled CoWoS WPM annually since 2023.
Nvidia NVLink-C2C + AMD Infinity Fabric AFL ship in production. UCIe 2.0 (Aug 2024) enables 3D + manageability, but first multi-vendor UCIe AI accelerator not yet shipping in volume by 2026.
SK hynix leads HBM3E (Nvidia H200/Blackwell qual first). Micron entered production Feb 2024. Samsung has struggled with Nvidia HBM3E qual through 2024. HBM4 (2025–26) introduces custom base die — pulls value into EDA + packaging.
Synopsys-Ansys merger (announced $35B Jan 2024, closed July 2025) locks in silicon-to-systems signoff. Cadence counter: Integrity 3D-IC + Celsius + Future Facilities. Siemens: Simcenter.
Broadcom’s AI-silicon SAM guidance: $60–90B by 2027 across 3 hyperscaler customers (Dec 2024 earnings). Marvell has AWS Trainium + MSFT Maia. Alchip is the Taiwan-based ASIC partner. Hyperscalers pull in-house for differentiation.
OpenROAD ships at SKY130 + mature nodes. No leading-edge hyperscaler accelerator has shipped through open flows. LLM-assisted hybrid flows are the potential wedge. Efabless chipIgnite filed Ch 7 early 2025 — signals the economic fragility of OSS-silicon-as-a-service.
Three-horse race: VCS (Synopsys), Xcelium (Cadence), Questa (Siemens). VCS dominant at Nvidia + AMD + Apple + Broadcom. Questa Verification IQ + formal adds AI-assisted triage. Verification = 60–70% of SoC design effort.
Virtuoso + Spectre is the analog default. Synopsys Custom Compiler tries to erode at tier-2 fabless; Virtuoso’s moat is 30 years of IP library + engineer muscle memory.
Three emulation platforms every tier-1 fabless runs. Palladium Z3 (Apr 2024) = 2× capacity + 1.5× perf vs Z2; critical for Blackwell-class pre-silicon. Billions of gates.
US BIS rules (Oct 2022 + Oct 2023 + Dec 2024) restrict sub-14nm EDA to China. Empyrean handles 28nm full flow + extending. Leading-edge parity still years away but accelerating.
RedHawk-SC Electrothermal is the go-to signoff for 2.5D/3D IC EM/IR + thermal closure. Now inside Synopsys post-Jul 2025 close. Cadence Voltus + Celsius is the alternative stack.
15 personas across 5 org types. Hover any tool chip for WHY.
59 tools grouped by market share vs growth rate. Hover chips for WHY.
19 events with cited quotes.
Estimated planning-engineer hours per stage (LBNL, MISO, NERC).
Tools owning each interconnection-study stage.
Every software category a utility / developer / hyperscaler runs. Hardware + physical-layer vendors at the bottom.
Gaps incumbents handle badly and SaaS hasn't closed.
Forces moving the market 2024–26.
The physical vendors that sit under the software stack \u2014 cold plates, conductors, sensors, transceivers, cables, foundries, EPCs.
src/lib/data/research-tools.ts.