Data history

LangSmith — public data history

Every proposal, decision, dispute and demotion, with actor kind and source. Nothing is edited silently.

2026-07-17 07:10 Staff Verify platforms → ['Web']

2026-07-17 07:09 Staff Propose platforms → ['Web'] https://docs.langchain.com/langsmith/observability-quickstart

2026-07-17 07:05 Staff Verify Free tier → yes

2026-07-17 07:05 Staff Propose Free tier → yes https://www.langchain.com/pricing-langsmith

2026-07-17 07:05 Staff Verify Framework-agnostic SDK → yes

2026-07-17 07:05 Staff Propose Framework-agnostic SDK → yes https://raw.githubusercontent.com/langchain-ai/langsmith-sdk/main/README.md

2026-07-17 07:05 Staff Verify Cost & token tracking → yes

2026-07-17 07:05 Staff Propose Cost & token tracking → yes https://docs.langchain.com/langsmith/cost-tracking.md

2026-07-17 07:05 Staff Verify CI / regression testing → yes

2026-07-17 07:05 Staff Propose CI / regression testing → yes https://docs.langchain.com/langsmith/pytest.md

2026-07-17 07:05 Staff Verify A/B experiments → yes

2026-07-17 07:05 Staff Propose A/B experiments → yes https://docs.langchain.com/langsmith/compare-experiment-results.md

2026-07-17 07:05 Staff Verify Online (production) monitoring → yes

2026-07-17 07:05 Staff Propose Online (production) monitoring → yes https://docs.langchain.com/langsmith/evaluation.md

2026-07-17 07:05 Staff Verify Human annotation / review → yes

2026-07-17 07:05 Staff Propose Human annotation / review → yes https://docs.langchain.com/langsmith/annotation-queues.md

2026-07-17 07:05 Staff Verify LLM-as-judge evals → yes

2026-07-17 07:04 Staff Propose LLM-as-judge evals → yes https://docs.langchain.com/langsmith/llm-as-judge.md

2026-07-17 07:04 Staff Verify Dataset management → yes

2026-07-17 07:04 Staff Propose Dataset management → yes https://docs.langchain.com/langsmith/manage-datasets.md

2026-07-17 07:04 Staff Verify Prompt playground & versioning → yes

2026-07-17 07:04 Staff Propose Prompt playground & versioning → yes https://docs.langchain.com/langsmith/prompt-engineering.md

2026-07-17 07:04 Staff Verify Tracing / observability → yes

2026-07-17 07:04 Staff Propose Tracing / observability → yes https://docs.langchain.com/langsmith/observability.md

2026-07-17 07:04 Staff Verify Self-hostable → yes

2026-07-17 07:04 Staff Propose Self-hostable → yes https://docs.langchain.com/langsmith/self-hosted.md

2026-07-17 07:04 Staff Verify Open source → no

2026-07-17 07:04 Staff Propose Open source → no https://docs.langchain.com/langsmith/self-hosted.md

2026-07-17 07:04 Staff Verify dev_status → active

2026-07-17 07:04 Staff Propose dev_status → active https://docs.langchain.com/langsmith/cloud.md

2026-07-17 07:04 Staff Verify starting_price → $39/seat/mo

2026-07-17 07:04 Staff Propose starting_price → $39/seat/mo https://www.langchain.com/pricing-langsmith

2026-07-17 07:04 Staff Verify pricing_model → Freemium

2026-07-17 07:04 Staff Propose pricing_model → Freemium https://www.langchain.com/pricing-langsmith

2026-07-17 07:04 Staff Verify license → Proprietary (platform); MIT (client SDK)

2026-07-17 07:04 Staff Propose license → Proprietary (platform); MIT (client SDK) https://raw.githubusercontent.com/langchain-ai/langsmith-sdk/main/LICENSE

2026-07-17 07:03 Staff Verify Free tier → yes

2026-07-17 07:03 Staff Propose Free tier → yes https://www.langchain.com/pricing-langsmith

2026-07-17 07:02 Staff Verify Framework-agnostic SDK → yes

2026-07-17 07:02 Staff Propose Framework-agnostic SDK → yes https://raw.githubusercontent.com/langchain-ai/langsmith-sdk/main/README.md

2026-07-17 07:02 Staff Verify Cost & token tracking → yes

2026-07-17 07:02 Staff Propose Cost & token tracking → yes https://docs.langchain.com/langsmith/cost-tracking.md

2026-07-17 07:02 Staff Verify CI / regression testing → yes

2026-07-17 07:02 Staff Propose CI / regression testing → yes https://docs.langchain.com/langsmith/pytest.md

2026-07-17 07:02 Staff Verify A/B experiments → yes

2026-07-17 07:02 Staff Propose A/B experiments → yes https://docs.langchain.com/langsmith/compare-experiment-results.md

2026-07-17 07:02 Staff Verify Online (production) monitoring → yes

2026-07-17 07:02 Staff Propose Online (production) monitoring → yes https://docs.langchain.com/langsmith/evaluation.md

2026-07-17 07:02 Staff Verify Human annotation / review → yes

2026-07-17 07:02 Staff Propose Human annotation / review → yes https://docs.langchain.com/langsmith/annotation-queues.md

2026-07-17 07:02 Staff Verify LLM-as-judge evals → yes

2026-07-17 07:02 Staff Propose LLM-as-judge evals → yes https://docs.langchain.com/langsmith/llm-as-judge.md

2026-07-17 07:02 Staff Verify Dataset management → yes

2026-07-17 07:02 Staff Propose Dataset management → yes https://docs.langchain.com/langsmith/manage-datasets.md

2026-07-17 07:02 Staff Verify Prompt playground & versioning → yes

2026-07-17 07:02 Staff Propose Prompt playground & versioning → yes https://docs.langchain.com/langsmith/prompt-engineering.md

2026-07-17 07:02 Staff Verify Tracing / observability → yes

2026-07-17 07:02 Staff Propose Tracing / observability → yes https://docs.langchain.com/langsmith/observability.md

2026-07-17 07:02 Staff Verify Self-hostable → yes

2026-07-17 07:02 Staff Propose Self-hostable → yes https://docs.langchain.com/langsmith/self-hosted.md

2026-07-17 07:02 Staff Verify Open source → no

2026-07-17 07:02 Staff Propose Open source → no https://docs.langchain.com/langsmith/self-hosted.md

2026-07-17 07:02 Staff Verify dev_status → active

2026-07-17 07:02 Staff Propose dev_status → active https://docs.langchain.com/langsmith/cloud.md

2026-07-17 07:02 Staff Verify starting_price → $39/seat/mo

2026-07-17 07:02 Staff Propose starting_price → $39/seat/mo https://www.langchain.com/pricing-langsmith

2026-07-17 07:02 Staff Verify pricing_model → Freemium

2026-07-17 07:02 Staff Propose pricing_model → Freemium https://www.langchain.com/pricing-langsmith

2026-07-17 07:02 Staff Verify license → Proprietary (platform); MIT (client SDK)

2026-07-17 07:02 Staff Propose license → Proprietary (platform); MIT (client SDK) https://raw.githubusercontent.com/langchain-ai/langsmith-sdk/main/LICENSE