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Chisel

Ranked 2 of 4 hardware description languages by recommenders

People recommend Chisel as a leading language for designing hardware, and it is the core technology behind open source RISC-V chips. Critics say it is niche and has seen little traction.

People recommend Chisel as a leading language for designing hardware, and it is the core technology behind open source RISC-V chips. Critics say it is niche and has seen little traction.

8 people gave an opinion

recommend it
7
criticize it
1
approval share
88%
Each figure is one person. RecommendsCriticizes

Recommended in 4 of 13 months

  1. November 2025: not recommended
  2. December 2025: not recommended
  3. January 2026: recommended
  4. February 2026: not recommended
  5. March 2026: recommended
  6. April 2026: not recommended
  7. May 2026: not recommended
  8. June 2026: not recommended
  9. July 2026: recommended
  10. August 2026: recommended
  11. September 2026: not recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 7 people recommend itNeeds 10 or more, not met.
  • 7 recommenders for every criticNeeds 2 to 1 or better, met.
  • Recommended in 4 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Leading language for hardware design

    “the number one language for building hardware these days via Chisel”

    Comment from 29 Jan 2026 in “The Sovereign Tech Fund Invests in Scala”

    “Chisel can at least lay claim to that crown, sure”

    Comment from 29 Jan 2026 in “The Sovereign Tech Fund Invests in Scala”

    “The state of the art in Python HDLs is Chisel”

    Comment from 29 Jan 2026 in “Show HN: SHDL – A Minimal Hardware Description Language Built from Logic Gates”

What people warn about

Each mark is one comment

  • Seen as niche with little traction

    “Perhaps it's a very know and useful project, yet indeed seems very niche to me.”

    Comment from 29 Jan 2026 in “The Sovereign Tech Fund Invests in Scala”

    “Attempts such as CHISEL[1] (written in Scala)also havent gotten much traction”

    Comment from 23 Dec 2025 in “FPGAs Need a New Future”

    “Chisel is still a blip for now.”

    Comment from 29 Jan 2026 in “The Sovereign Tech Fund Invests in Scala”

Other hardware description languages people recommend

The three most recommended other hardware description languages, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Chisel compared with 3 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Verilog131645%6——
ChiselThis page7188%4——
SHDL6186%1——
Clash (Haskell-to-HDL compiler)50100%3——
See all 4 hardware description languages, ranked

What people said

All 11 comments that mention it, newest first. Each links to the original comment.

“the ecosystem that has developed around it, particularly Chisel and CIRCT”

RecommendsComment from 15 Aug 2026 in “RISC-V: They Should Have Known Better”

“Always a delight seeing Chisel in the wild”

RecommendsComment from 21 Jul 2026 in “Running Doom on Our Custom CPU and Going Viral”

“i never could get around the whole scala tooling - seemed a bit over the top”

CriticizesComment from 30 Mar 2026 in “VHDL's Crown Jewel”

“Chisel keeps the actual file operations lean”

RecommendsComment from 2 Mar 2026 in “Show HN: MCP file tools silently eat your context window.I built one that doesnt”

“Chisel can at least lay claim to that crown, sure”

RecommendsComment from 29 Jan 2026 in “The Sovereign Tech Fund Invests in Scala”

“Chisel is still a blip for now.”

MixedComment from 29 Jan 2026 in “The Sovereign Tech Fund Invests in Scala”

“Perhaps it's a very know and useful project, yet indeed seems very niche to me.”

MixedComment from 29 Jan 2026 in “The Sovereign Tech Fund Invests in Scala”

“the number one language for building hardware these days via Chisel”

MixedComment from 29 Jan 2026 in “The Sovereign Tech Fund Invests in Scala”

“Chisel [0] is the core technology of the best open source RISC-V chips.”

RecommendsComment from 29 Jan 2026 in “The Sovereign Tech Fund Invests in Scala”

“The state of the art in Python HDLs is Chisel”

RecommendsComment from 29 Jan 2026 in “Show HN: SHDL – A Minimal Hardware Description Language Built from Logic Gates”

“Attempts such as CHISEL[1] (written in Scala)also havent gotten much traction”

CriticizesComment from 23 Dec 2025 in “FPGAs Need a New Future”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.