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Particle-1 vs Claude Sonnet 5.5

6 prompts both ran·Specs and numbers·Change models

Particle-1 took 7 min 13 s and $0.056 at list price, Claude Sonnet 5.5 took 3 min 49 s and $0.34 at list price. Particle-1 took 1.9× as long, and Claude Sonnet 5.5 cost 6.1× as much.

Particle-1

Particle AI · $0.50/M out · 18 HN pts

Claude Sonnet 5.5

Anthropic · $10.00/M out · 9 HN pts

Only Claude Sonnet 5.5 has CLI runs here (Claude Code).

Pelican

Generate an SVG of a pelican riding a bicycle

Particle-1's SVG for the "Pelican riding a bicycle" prompt

Particle-1

19 s$0.00612k tokensAPI
Claude Sonnet 5.5's SVG for the "Pelican riding a bicycle" prompt

Claude Sonnet 5.5

12 s$0.0131.3k tokensCLI

Watch

Draw a mechanical wristwatch that shows the current local time, with a sweeping seconds hand and a date window. Make it look expensive.

Still of Particle-1's page for the "Wristwatch that shows the current time" prompt

Particle-1

2 min$0.01021k tokensAPI
Still of Claude Sonnet 5.5's page for the "Wristwatch that shows the current time" prompt

Claude Sonnet 5.5

42 s$0.0656.5k tokensCLI

Landing

Build the landing page for Lumen Cycles, a Copenhagen workshop that builds custom cargo bikes to order. Make it look like a real brand you would trust with 4,000 euros.

Still of Particle-1's page for the "Landing page for a cargo bike workshop" prompt

Particle-1

2 min 19 s$0.01733k tokensAPI
Still of Claude Sonnet 5.5's page for the "Landing page for a cargo bike workshop" prompt

Claude Sonnet 5.5

1 min 37 s$0.1616k tokensCLI

Breakout

Make a Breakout game I can play right now with the keyboard or the mouse. Give it several levels, a score and some juice.

Still of Particle-1's page for the "Playable Breakout" prompt

Particle-1

2 min 10 s$0.01531k tokensAPI
Still of Claude Sonnet 5.5's page for the "Playable Breakout" prompt

Claude Sonnet 5.5

53 s$0.0838.3k tokensCLI

Design a logo for Night Heron, an independent bookshop that only opens after dark.

Particle-1's SVG for the "Bookshop logo" prompt

Particle-1

23 s$0.00815k tokensAPI
Claude Sonnet 5.5's SVG for the "Bookshop logo" prompt

Claude Sonnet 5.5

17 s$0.0202.0k tokensCLI

About

Write the opening of the About us page for Patchbay, a three-person studio in Rotterdam that repairs vintage synthesizers. About 150 words.

Patchbay is a three-person studio in Rotterdam dedicated to the repair and restoration of vintage synthesizers. We are engineers, musicians, and collectors who believe these instruments are not museum pieces but tools meant to be played, heard, and trusted on stage or in the studio. Our bench has seen everything from stubborn Moogs and fragile ARP boards to polysynths with corroded traces and keyboards that have traveled too many miles. We approach each repair with patience, documentation, and respect for the original design, while making sensible updates only where reliability demands them. Because we are a small team, you work directly with the person handling your instrument, from the first diagnosis to the final calibration. We also advise on maintenance, source hard-to-find parts, and help you decide when a repair is worthwhile. Patchbay exists to keep old synthesizers making new music.

Particle-1

3 s<$0.001866 tokensAPI

Patchbay is three people in a workshop in Rotterdam, trying to keep old synthesizers alive. We repair, restore and recalibrate the instruments that shaped electronic music: Moogs and Oberheims, Rolands and Sequential Circuits, the odd temperamental Soviet oddity that someone found in an attic.

Most of what lands on our benches has been silent for years. A crackling pot, a drifting oscillator, a power supply that gave up in 1994. Some come from working musicians who need their instrument back before the next tour. Others come from people who inherited a dusty box from a parent and want to hear what it sounds like.

We work slowly and by hand. We trace faults with a scope and a schematic, source or rebuild parts when originals are gone, and change as little as we can. Every synth leaves with a note describing exactly what we did, so the next person to open it knows where we have been.

Come by, bring your synth, and stay for coffee.

Claude Sonnet 5.5

7 s$0.005475 tokensCLI

Specs and numbers

Particle-1Claude Sonnet 5.5
MakerParticle AIAnthropic
Made in—US
Released28 Oct 202628 Sep 2026
Price in, per M tokens$0.05$2.00
Price out, per M tokens$0.50$10.00
Context1,048,576 tokens1,000,000 tokens
Weightsclosedclosed
Hacker News points189
Time for the six prompts7 min 13 s3 min 49 s
List price of the six prompts$0.056$0.34

Particle-1 was cheaper: $0.28 less at list price, and less on each of the 6 prompts. Claude Sonnet 5.5 was faster: 3 min 25 s less in total, and faster on 5 of the 6 prompts.

In the recording, both Breakout games play.

Rebuild this screen experiment: Claude Sonnet 5.5's rebuild matched the screenshot at 94%; Particle-1 was not in it. Tea Garden experiment: Claude Sonnet 5.5's game passed 5 of 5 checks; Particle-1 was not in it.

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