What is Forge lock-free agent runtime?

Forge is a C++17 runtime for AI agent orchestration — ReAct, Plan-Execute workflows — hitting 25k sessions/sec via lock-free structures. No GIL, linear scaling.

Why are Python AI frameworks like LangChain so slow?

GIL limits to one thread, plus object bloat and context switches kill throughput at 10-50 sessions/sec. Orchestration overhead dominates.

Can C++ replace Python for AI agent building?

Not fully — Python prototypes fast. But C++ owns high-scale orchestration, like Node.js did for web servers.

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25,000 AI Agent Sessions Per Second: This C++ Beast Crushes Python Frameworks by 2500x

Imagine spinning up 25,000 AI agent sessions every second, while Python frameworks gasp at 50. That's Forge — a C++17 lock-free runtime exposing the GIL's dirty secret.

theAIcatchup Apr 08, 2026 4 min read

Benchmark graph: Forge C++ runtime at 25,000 sessions/sec vs LangChain Python at 50/sec

⚡ Key Takeaways

Forge delivers 25,000 AI agent sessions/sec — 500-2500x faster than LangChain. 𝕏
Python's GIL and object overhead make it a prod bottleneck; lock-free C++ unleashes hardware. 𝕏
Future: Hybrid stacks with C++ schedulers powering Python agent logic at massive scale. 𝕏

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#AI agent runtime #C++17 #Forge runtime #LangChain benchmarks #Python GIL #lock-free #lock-free C++ #lock-free programming

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Originally reported by dev.to

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