Working Notes on Agent Systems/Brad Zhang

@teach_fireworks / X longform

So strong! Coding capability Fable 5 is much more reliable than GPT 5.6 sol. I also tried a similar attempt

So strong! Coding capability Fable 5 is much more reliable than GPT 5.6 sol. I also tried a similar attempt with 5.6 sol. In fact, it lasted for several months. I...

July 18, 2026 · 1 min read

So strong! Coding capability Fable 5 is much more reliable than GPT 5.6 sol. I also tried a similar attempt with 5.6 sol. In fact, it lasted for several months. I started trying it with GPT

  • 5, but all failed. Now I see a little hope. The degree of completion is really high.

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FORMATTOPICCAPABILITYMARKETcoversFORMATshort signalTOPICagentic devtools
Mermaid outline
flowchart LR
  format-short_note["short signal"]
  topic-agentic-devtools["agentic devtools"]
  format-short_note -->|covers| topic-agentic-devtools

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So strong! Coding capability Fable 5 is much more reliable than GPT 5.6 sol. I also t...THESISSo strong! Codingcapability Fable 5 ismuch more reliablethan GPT 5.6 sol. ISIGNALSo strong! Codingcapability Fable 5 ismuch more reliablethan GPT 5.6 sol. IOPERATOR5.5, but all failed.Now I see a littlehope. The degree ofcompletion is reallyIMPLICATION5.5, but all failed.Now I see a littlehope. The degree ofcompletion is really
Mermaid outline
flowchart LR
  thesis["So strong! Coding capability Fable 5 is much more reliable than GPT 5.6 sol. I also tried a similar attempt..."]
  signal["So strong! Coding capability Fable 5 is much more reliable than GPT 5.6 sol. I also tried a similar attempt..."]
  operator["5.5, but all failed. Now I see a little hope. The degree of completion is really high."]
  implication["5.5, but all failed. Now I see a little hope. The degree of completion is really high."]
  thesis -->|frames| signal
  signal -->|develops| operator
  operator -->|lands in| implication

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