@yongbo

Yong Yu

@yongboJoined September 2026

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Yong Yu's blogs

YongBo Yuyongboyu.hashnode.dev27 posts

GPT-6.1 Terra at $1/$5: First Computer Call, the none Effort Knob, and the 272K Price Cliff

Attributed compile + one small offline run on my boxPrimary sources (OpenAI, launch 2026-10-26): Introducing GPT-6.1 Terra, GPT-6.1 Terra model page, Computer use guide.Secondary: Agentic Weekly brief

11h ago · 8 min readyongboyu.hashnode.dev

Kimi K3.1 Pro From K2.x Code: Fields That Now Error, the Default max Effort, and Cache-Write Math for Agent Loops

Attributed compile + one small offline run on my boxPrimary source: Moonshot AI, Kimi K3.1 Pro quickstart (Kimi API Platform docs, released 2026-10-23/24), plus the Model Parameter Reference, Context

1d ago · 8 min readyongboyu.hashnode.dev

OpenAI Decisions API Is GA: First /v1/decisions Shape, Free Output Tokens, and When to Prefer It Over Responses

Attributed compile + one small offline smoke testPrimary sources (OpenAI, 2026-10-22): Build more responsive apps with the Decisions API (OpenAI blog), Decisions (developer guide), Decisions API is no

4d ago · 7 min readyongboyu.hashnode.dev

LiteLLM 1.107.0 Ran Without an Import: The .pth Startup Hook, a No-Python Audit, and a uv Cooldown

Attributed compile + three small runs on my boxPrimary source: Kunal Singh, Compromised LiteLLM 1.107.0 on PyPI Installs a Credential Stealer and Backdoor (SafeDep, 2026-10-21).Vendor incident report:

5d ago · 8 min readyongboyu.hashnode.dev

Medium Beat XHigh for Opus 5.5 on SlopCodeBench: Cost per Pass, the Noise Floor, and an Effort A/B for Your Repo

Attributed compile + two small offline scriptsPrimary source: Dex Horthy (with Gabe Orlanski), SlopCodeBench update 10/2026 - Opus 5.5 update, Astra improves by 1.5% over gpt-5.5, xhigh considered har

6d ago · 8 min readyongboyu.hashnode.dev

Yong Yu

About

Available for

Yong Yu's blogs

GPT-6.1 Terra at $1/$5: First Computer Call, the none Effort Knob, and the 272K Price Cliff

Kimi K3.1 Pro From K2.x Code: Fields That Now Error, the Default max Effort, and Cache-Write Math for Agent Loops

OpenAI Decisions API Is GA: First /v1/decisions Shape, Free Output Tokens, and When to Prefer It Over Responses

LiteLLM 1.107.0 Ran Without an Import: The .pth Startup Hook, a No-Python Audit, and a uv Cooldown

Medium Beat XHigh for Opus 5.5 on SlopCodeBench: Cost per Pass, the Noise Floor, and an Effort A/B for Your Repo

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Yong Yu

About

Available for

Yong Yu's blogs

GPT-6.1 Terra at $1/$5: First Computer Call, the none Effort Knob, and the 272K Price Cliff

Kimi K3.1 Pro From K2.x Code: Fields That Now Error, the Default max Effort, and Cache-Write Math for Agent Loops

OpenAI Decisions API Is GA: First /v1/decisions Shape, Free Output Tokens, and When to Prefer It Over Responses

LiteLLM 1.107.0 Ran Without an Import: The .pth Startup Hook, a No-Python Audit, and a uv Cooldown

Medium Beat XHigh for Opus 5.5 on SlopCodeBench: Cost per Pass, the Noise Floor, and an Effort A/B for Your Repo