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Haiku 5.5 wrote twenty haiku, then drew every frame in JavaScript.

Claude

1,962,195 subscribers

190,472 views • 12 days ago •via X (Twitter)

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Claude12 days ago

A cardiology fellow built a 3D tool to help trainees learn to read coronary angiograms.

Claude12 days ago

An electromagnetic field you can see and push around, made with Opus 5.5.

Claude12 days ago

120 handwritten pages, turned into a working font with Opus 5.5.

Claude12 days ago

Chess, played as doodles on notebook paper. Made with Sonnet 5.5.

Claude12 days ago

Six projects from the last few weeks that caught our attention: A wildfire analysis prototype that maps the fire’s spread over time and tracks hot spots, made with Opus 5.5.

Claude12 days ago

What are you making with Claude this weekend?

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Haiku 5.5 is 20x cheaper than Sonnet 5.5 (for <100k input tok), fast, and great for sub-agent parallelization. i've been building maps w/ many Haiku 5.5 sub-agents that stream drawing commands to a shared canvas:

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Claude Opus 5 drew every frame of this animation using JavaScript.

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Baptiste (Kelano)

25,720 views • 20 days ago

My famous night train benchmark is in!!! 🚂🌙🔥 Haiku 5.5 vs. GPT-6 Luna ⚔ Honestly, Haiku 5.5 completely failed this test. There’s no comparison. Luna is miles ahead! ⚡ GPT-6 Luna: 54.6 seconds for under $0.01. 🐌 Haiku 5.5: 5 minutes 12 seconds for $0.03. Luna was over 5× faster and cost less than a third as much—with a much better result! 🤯

My famous night train benchmark is in!!! 🚂🌙🔥 Haiku 5.5 vs. GPT-6 Luna ⚔ Honestly, Haiku 5.5 completely failed this test. There’s no comparison. Luna is miles ahead! ⚡ GPT-6 Luna: 54.6 seconds for under $0.01. 🐌 Haiku 5.5: 5 minutes 12 seconds for $0.03. Luna was over 5× faster and cost less than a third as much—with a much better result! 🤯

Tony

33,765 views • 21 days ago

Haiku 5.5 is now available in the Claude Platform and Claude Code. On average, it costs around 75% less to run than Haiku 4.5. It pairs well with Opus 5.5 or Sonnet 5.5 as a subagent. Use it for high-volume, cost-sensitive tasks like summaries, compactions, or database queries.

Haiku 5.5 is now available in the Claude Platform and Claude Code. On average, it costs around 75% less to run than Haiku 4.5. It pairs well with Opus 5.5 or Sonnet 5.5 as a subagent. Use it for high-volume, cost-sensitive tasks like summaries, compactions, or database queries.

ClaudeDevs

1,265,170 views • 21 days ago

Haiku 5.5'e çizdirdiğim simidin gününü bu sefer Opus 5.5'e çizdirdim. Aynı prompt, aynı müzik, her kare yine kod. Haiku bir saatte bitirdi, Opus iki saat uğraştı. Farkı siz söyleyin. Bu model beni hala şaşırtıyor :)

Haiku 5.5'e çizdirdiğim simidin gününü bu sefer Opus 5.5'e çizdirdim. Aynı prompt, aynı müzik, her kare yine kod. Haiku bir saatte bitirdi, Opus iki saat uğraştı. Farkı siz söyleyin. Bu model beni hala şaşırtıyor :)

Avenox

18,935 views • 20 days ago

We gave Sonnet 5.5, Haiku 5.5 and Opus 5.5 the same task in Motion: “Make a motion design video about Claude.” Here’s what each one made 👇

We gave Sonnet 5.5, Haiku 5.5 and Opus 5.5 the same task in Motion: “Make a motion design video about Claude.” Here’s what each one made 👇

Motion

72,048 views • 20 days ago

Small ninja, big rage. Five haiku tell the story Haiku Day is here. #NationalHaikuDay #Haiku #RetroGaming #INinja #RetroGames

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POV: You switched your LLM from Opus 5.5 to Haiku 4.5 to save tokens.

POV: You switched your LLM from Opus 5.5 to Haiku 4.5 to save tokens.

Sai

104,450 views • 25 days ago

THIS IS A PURE F*CKING GOLDMINE Anthropic just shared one of the best tricks for Claude Code. The idea: let Opus 5.5 write the plan as a script, and let 12 cheap agents run it while Opus sits idle at zero tokens. Same task, two ways: Opus solo was 49% done and still running. The swarm finished in 9 minutes on 165k tokens. You just launch Claude Code like this: claude --model opus --swarm haiku,sonnet here's the split: → Opus 5.5 writes plan.js, then stops reading anything → 6 Haiku 5.5 agents audit every file in parallel → 4 Sonnet 5.5 agents patch each fix in its own isolated copy → 2 Haiku 5.5 agents cross-check, 8 of 9 findings survive Opus only shows up at two moments: → writing the plan before the run → signing off on the verified fixes after it Opus plans. Haiku scans. Sonnet ships. JEV engineering is the same move one layer down: 3,767 forks this run - which model, which lane, retry or stop - resolved in code, and only the genuinely split ones ever reach Opus the full tree > Opus 5.5 runs the main session on xhigh and writes plan.js > scan audits each file on Haiku 5.5, six in parallel > patch applies each fix on Sonnet 5.5 in its own isolated copy > verify cross-checks every finding on Haiku 5.5 > Opus 5.5 reads only what survived, then signs off > JEV resolves micro-forks in milliseconds paste the tree and this prompt into Claude Code ↓ "Rebuild my Claude Code setup around this tree: Run the main session on Opus 5.5 with effort xhigh and swarm haiku,sonnet. Have Opus write the plan as a script: scan on Haiku 5.5, patch on Sonnet 5.5 in isolated copies, verify on Haiku 5.5. Let the phases overlap - each finding moves on as soon as its own stage finishes, no waiting for the batch. Never surface raw agent output to the main session, only verified results. Route deterministic forks (model choice, lane choice, retries) through JEV. Show me every change as a diff first. No edits until I say go." ↳ save it, it’ll come in handy

THIS IS A PURE F*CKING GOLDMINE Anthropic just shared one of the best tricks for Claude Code. The idea: let Opus 5.5 write the plan as a script, and let 12 cheap agents run it while Opus sits idle at zero tokens. Same task, two ways: Opus solo was 49% done and still running. The swarm finished in 9 minutes on 165k tokens. You just launch Claude Code like this: claude --model opus --swarm haiku,sonnet here's the split: → Opus 5.5 writes plan.js, then stops reading anything → 6 Haiku 5.5 agents audit every file in parallel → 4 Sonnet 5.5 agents patch each fix in its own isolated copy → 2 Haiku 5.5 agents cross-check, 8 of 9 findings survive Opus only shows up at two moments: → writing the plan before the run → signing off on the verified fixes after it Opus plans. Haiku scans. Sonnet ships. JEV engineering is the same move one layer down: 3,767 forks this run - which model, which lane, retry or stop - resolved in code, and only the genuinely split ones ever reach Opus the full tree > Opus 5.5 runs the main session on xhigh and writes plan.js > scan audits each file on Haiku 5.5, six in parallel > patch applies each fix on Sonnet 5.5 in its own isolated copy > verify cross-checks every finding on Haiku 5.5 > Opus 5.5 reads only what survived, then signs off > JEV resolves micro-forks in milliseconds paste the tree and this prompt into Claude Code ↓ "Rebuild my Claude Code setup around this tree: Run the main session on Opus 5.5 with effort xhigh and swarm haiku,sonnet. Have Opus write the plan as a script: scan on Haiku 5.5, patch on Sonnet 5.5 in isolated copies, verify on Haiku 5.5. Let the phases overlap - each finding moves on as soon as its own stage finishes, no waiting for the batch. Never surface raw agent output to the main session, only verified results. Route deterministic forks (model choice, lane choice, retries) through JEV. Show me every change as a diff first. No edits until I say go." ↳ save it, it’ll come in handy

Sprytix

19,727 views • 11 days ago

A political haiku: Booker spoke for hours, Nothing gained, approval low— Dems at twenty-one.

A political haiku: Booker spoke for hours, Nothing gained, approval low— Dems at twenty-one.

Scott Jennings

338,953 views • 1 year ago