Open-source LLM engineering platform for tracing, prompt management, and per-user cost tracking.
Best match because its name, category, capabilities, or owner matches “Observability & Cost”. Adoption and trust break close ties.
Stars 35k
Downloads 7102k
Updated 2026-09-28
Skill installs — Trust pending Momentum not matched
$ npm i langfuseCopy Observability & Cost
vllm-project ★ 93k Repository experimental High throughput and memory efficient inference and serving engine for large language models.
Best match because its name, category, capabilities, or owner matches “Observability & Cost”. Adoption and trust break close ties.
Stars 93k
Downloads 5581k
Updated 2026-09-28
Skill installs — Trust pending Momentum not matched
$ pip install vllmCopy Model Routing Observability & Cost
skypilot-org ★ 11k Tool experimental Framework for running LLM workloads across clouds to minimize compute cost and maximize availability.
Best match because its name, category, capabilities, or owner matches “Observability & Cost”. Adoption and trust break close ties.
Stars 11k
Downloads 1705k
Updated 2026-09-28
Skill installs — Trust pending Momentum not matched
$ pip install skypilotCopy Observability & Cost
openmeterio ★ 2.4k Tool stable Usage metering and billing infrastructure for tracking LLM API consumption and cost.
Best match because its name, category, capabilities, or owner matches “Observability & Cost”. Adoption and trust break close ties.
Stars 2.4k
Downloads 74k
Updated 2026-09-25
Skill installs — Trust pending Momentum not matched
$ pip install openmeterCopy Observability & Cost
langwatch ★ 4.9k Tool stable Monitoring and analytics platform for tracking LLM usage quality and cost.
Best match because its name, category, capabilities, or owner matches “Observability & Cost”. Adoption and trust break close ties.
Stars 4.9k
Downloads —
Updated 2026-09-28
Skill installs — Trust pending Momentum not matched
$ npm i @langwatch/serverCopy Observability & Cost
Open-source LLM observability platform with real-time token tracking, caching, and cost analytics.
Best match because its name, category, capabilities, or owner matches “Observability & Cost”. Adoption and trust break close ties.
Stars 6.2k
Downloads 3.9k
Updated 2026-09-16
Skill installs — Trust pending Momentum not matched
$ npm i @helicone/heliconeCopy Observability & Cost
AgentOps-AI ★ 5.8k Tool experimental Observability platform for tracking cost, performance and behavior of AI agents in production.
Best match because its name, category, capabilities, or owner matches “Observability & Cost”. Adoption and trust break close ties.
Stars 5.8k
Downloads 287k
Updated 2026-06-25
Skill installs — Trust pending Momentum not matched
$ pip install agentopsCopy Observability & Cost
tensorzero ★ 12k Tool active Open source LLM gateway and optimization framework unifying inference, observability and evals.
Best match because its name, category, capabilities, or owner matches “Observability & Cost”. Adoption and trust break close ties.
Stars 12k
Downloads —
Updated 2026-06-11
Skill installs — Trust pending Momentum not matched
LLM Gateways Observability & Cost
huggingface ★ 11k Tool slowing Production ready inference server for LLMs optimized for throughput and cost efficiency.
Best match because its name, category, capabilities, or owner matches “Observability & Cost”. Adoption and trust break close ties.
Stars 11k
Downloads —
Updated 2026-03-21
Skill installs — Trust pending Momentum not matched
Observability & Cost