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GPT-5.4 for Developers: The Production Guide
GPT-5.4 developer guide with OpenAI SDK code, computer use, the 272K-token pricing cliff, and when 5.4 still beats GPT-5.3 and GPT-5.5 in production.
Page 84 of 100
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Deep dives into AI agents, coding tools, and building with LLMs.
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GPT-5.5-Codex in Production: What Actually Changes
GPT-5.5-Codex merges Codex and GPT-5 stacks. Here is what the unified model means for real coding agents - latency, costs, prompt rewrites.
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GPT-5.5 for Developers: A Production Field Guide
GPT-5.5 and 5.5 Pro for developers: pricing, which tier fits which workload, agentic gains from real evals, a regression to watch, and a migration playbook.
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DeepSeek R1, PPO, and GRPO Explained for Devs
GRPO and PPO explained for developers with no RL background: how DeepSeek R1 was trained, why GRPO drops the value model, and a minimal GRPO run with TRL.
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mlinter: Hugging Face's New Linter for Transformers Modeling Files
mlinter is Hugging Face's linter for transformers modeling files. See what its rules check, how to install and run it, and how to wire it into CI.
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KV Caching: A Practical Guide to Optimizing Transformer Inference
How KV caching speeds up LLM inference - the math, the code, the memory tradeoffs, and when it stops helping. Every dev running local models hits this wall.
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Mercury 2 Developer Guide: Building With a Diffusion LLM in Production
Mercury 2 developer guide: the OpenAI-compatible API, tool use, structured outputs, reasoning levels, and when a diffusion LLM beats an autoregressive one.
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Model Context Protocol: A Production Guide To Building MCP Servers
Build MCP servers that connect Claude to your databases, APIs, and tools. Architecture, TypeScript SDK code, debugging, and the production gaps the spec doesn't cover.
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NVIDIA Nemotron 3 Super: A Developer's Guide to the 120B Hybrid MoE
Nemotron 3 Super developer guide: the latent MoE hybrid Mamba architecture, hardware needs, reasoning modes, and code to run NVIDIA's 120B model.
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Open-Source MCP Servers Worth Installing in 2026
The open-source MCP servers worth a permanent slot in your config, each with what it does, why it matters, and copy-paste setup for Claude Code and Cursor.
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OpenAI AgentKit in Production: An Honest Builder's Review
OpenAI AgentKit review from a real rebuild: what Agent Builder, Connector Registry, and ChatKit do, where the visual canvas wins, and when to drop back to code.
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OpenAI Privacy Filter: Production PII Redaction Guide
OpenAI Privacy Filter is an open-weight PII redactor. How to wire it into a local RAG ingestion pipeline and how it benchmarks against Presidio and regex.
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