#performance testing
2125 related articles
Expert Opinions·2 min
Simon Willison's April Newsletter: Opus 4.7, GPT-5.5 Launches, and AI Industry Trends
Simon Willison's April 2026 monthly newsletter: Anthropic Opus 4.7 and OpenAI GPT-5.5 launch with price hikes, Claude Mythos safety research, ChatGPT Images 2.0, and key AI trends.
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Deep Dives·3 min
Ruflo Open-Source Framework: Claude Multi-Agent Orchestration Platform Architecture and Practical Guide
Deep analysis of Ruflo open-source multi-agent orchestration platform, covering swarm intelligence, RAG integration, Claude Code native support, and comparisons with LangGraph and CrewAI.
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Product Reviews·3 min
Chatbox: An Open-Source AI Client with Nearly 40K GitHub Stars, Supporting Unified Multi-Model Management
Deep dive into Chatbox, an open-source AI client with ~40K GitHub Stars. Supports GPT, Claude, Ollama multi-model management with local data storage for privacy across Windows/macOS/Linux.
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Product Reviews·2 min
Unsloth: The Free Local LLM Training Tool with 60K+ Stars on GitHub — A Complete Guide
Unsloth is a 63K-star open-source tool for local LLM training with Web UI. Supports Gemma 4, Qwen 3, DeepSeek fine-tuning with 2-5x speed boost on consumer GPUs.
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Product Reviews·5 min
Redis Array Data Type Explained: 18 New Commands and Browser Playground Experience
Redis creator antirez submitted a PR introducing the Array data type with 18 new commands including server-side regex search ARGREP. Simon Willison built a WebAssembly browser Playground with Claude Code for hands-on testing.
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Tutorials·5 min
Codex CLI /goal Command Explained: Autonomous Loop Execution Until Goal Completion
Codex CLI 0.128.0 adds the /goal command for goal-driven autonomous loop execution. This article analyzes its technical implementation, token budget mechanism, and practical use cases.
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Deep Dives·6 min
learn-claude-code: Deep Dive into the 58K-Star AI Agent Framework
Deep analysis of the 58K-Star open-source project learn-claude-code: building a Claude Code-like programming agent from scratch. Deconstruct the Agent Harness, ReAct loop pattern, and Bash execution layer.
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Product Reviews·4 min
Unsloth: The Efficient Tool for Local Open-Source LLM Training — The Secret Behind 60K+ GitHub Stars
In-depth analysis of Unsloth, a 60K+ star open-source LLM training tool supporting Gemma 4, Qwen3, DeepSeek local fine-tuning with LoRA/QLoRA to dramatically reduce VRAM requirements.
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Product Reviews·3 min
Deep Dive into LobeHub Open-Source Platform: A New Paradigm for Multi-Agent Collaboration with 76K Stars
Deep dive into LobeHub, an open-source AI Agent collaboration platform with 76K+ GitHub Stars. Built with TypeScript for multi-agent team collaboration, compared with LangChain, AutoGPT, and Dify.
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Product Reviews·2 min
IBM Granite 4.1 Open-Source Models: Hands-On SVG Generation Test Across 21 Quantized Versions
IBM releases Granite 4.1 open-source LLMs (Apache 2.0). Simon Willison tests 21 GGUF quantized versions on SVG generation, revealing model size matters far more than quantization precision.
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Product Reviews·3 min
FofaMap v2.0: AI Self-Reflection + MCP Protocol-Driven Red Team Asset Mapping Agent
FofaMap v2.0 is an AI-driven red team asset mapping tool built on Python3, featuring AI self-reflection for auto-tuning FOFA queries, MCP protocol support for Claude/Cursor integration, and intelligent Nuclei vulnerability scanning. 657 GitHub Stars.
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Tutorials·3 min
Ollama Tutorial: The Open-Source Tool for Running DeepSeek and Other LLMs Locally with One Click
Complete guide to running LLMs locally with Ollama. Supports DeepSeek, Qwen, Gemma and more. 170K+ GitHub Stars, zero-config setup, full data privacy, no per-token API fees.
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Product Reviews·3 min
Token Savior: The MCP Server That Saves 77% Tokens While Achieving 100% Pass Rate on Claude Benchmarks
Token Savior is an open-source MCP server that cuts Claude's active token usage by 77% and achieves 100% pass rate on 96 coding tasks through structural code navigation and persistent memory.
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Product Reviews·2 min
IBM Granite 4.1 Quantization Test: SVG Generation Comparison Across 21 GGUF Versions
IBM releases open-source Granite 4.1 models. Unsloth provides 21 GGUF quantized versions. Simon Willison's pelican SVG test reveals quantization level has minimal impact on 3B model output quality.
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Tutorials·3 min
TRE Regex Engine Python Bindings: Real-World Testing Against ReDoS Attacks
Explore TRE non-backtracking regex engine Python bindings and compare performance against Python's re module under ReDoS attacks. Learn how TRE eliminates regex denial-of-service risks.
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Product Reviews·5 min
Deep Dive into the Hermes-Agent Open-Source Framework: The AI Agent with 130K Stars on GitHub
NousResearch open-sources Hermes-Agent framework, earning 130K+ GitHub Stars. Deep analysis of its progressive architecture, modular design, and Hermes model integration vs. LangChain and AutoGPT.
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Expert Opinions·3 min
OpenAI's Greg Brockman on Compute, Codex, and the AGI Race: We're 80% of the Way There
At Sequoia's AI Ascent 2026, OpenAI co-founder Greg Brockman discusses the compute arms race, Codex coding revolution, his 80% AGI progress estimate, and survival strategies for the AI era.
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Product Reviews·3 min
Codex Browser Use Hands-On: How Powerful Is GPT 5.5's AI Browser Automation Really?
In-depth hands-on with OpenAI Codex's Browser Use and Computer Use features. See how GPT 5.5 enables browser automation, app testing, desktop control, and cross-device operation, with a full setup tutorial.
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Deep Dives·4 min
The GPT-5.5 'Goblin' Incident Deep Dive: From Hilarious Bug to the Ultimate AI Alignment Challenge
OpenAI's GPT-5.5 model collectively outputs 'goblin' vocabulary. Official technical blog reveals the root cause: reward signal generalization in reinforcement learning.
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Product Reviews·2 min
Gemini 3.5 Flash In-Depth Review: How Powerful Is Google's Quietly Launched Budget AI Model?
Google quietly upgraded Gemini 3 Flash on LM Arena to near-Pro performance. We test frontend dev, Three.js 3D graphics, and SVG generation to reveal this budget AI model's true power.
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