{"type":"post","id":"langsmith-llm-gateway-now-supports-the-openai-decisions-d9f6eb","slug":"langsmith-llm-gateway-now-supports-the-openai-decisions-d9f6eb","title":"LangSmith LLM Gateway now supports the OpenAI Decisions API.","description":"**Thesis:** A gateway integration matters when it brings a distinct task interface under the same operational controls as ordinary model traffic.","retrieval_nugget":"**Thesis:** A gateway integration matters when it brings a distinct task interface under the same operational controls as ordinary model traffic.","published_at":"2026-10-09","updated_at":"2026-10-09","record_date":"2026-10-09","date_kind":"published_at","topics":[],"source_urls":["https://docs.langchain.com/langsmith/llm-gateway-decision-models"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:langsmith-llm-gateway-now-supports-the-openai-decisions-d9f6eb","status":"published","visuals":[],"editorial_provenance":{"schema_version":"newruntime-editorial-copy-v1","content_status":"source_grounded_final","final_copy_sha256":"sha256:14fdbd40f412cadff395f94daa046b0cbe6bc54b32968496bd135091303469af","reviewed_at":"2026-10-09T23:01:42.789Z","source_evidence_count":1,"verified_claim_count":2,"site_analysis_schema_version":"newruntime-site-analysis-v1","site_object_kind":"field_note","observed_fact_count":2,"implication_count":1,"watch_condition_count":1,"related_record_count":0},"analysis":{"schema_version":"newruntime-site-analysis-v1","object_kind":"field_note","thesis":"A gateway integration matters when it brings a distinct task interface under the same operational controls as ordinary model traffic.","observed_facts":[{"text":"The documentation specifies POST /openai/v1/decisions and a workspace-scoped LangSmith API key.","source_urls":["https://docs.langchain.com/langsmith/llm-gateway-decision-models"]},{"text":"The page says requests preserve native format, use an OPENAI_API_KEY provider secret, and are subject to gateway access, rate-limit, and budget policies.","source_urls":["https://docs.langchain.com/langsmith/llm-gateway-decision-models"]}],"mechanism":"The gateway routes native Decisions API requests while applying existing access, rate-limit, and budget controls and tracing inputs, answers, and token usage to LangSmith.","why_now":"Structured classification and scoring outputs are useful to agent workflows, and routing them through shared controls reduces the need to treat each API family as an operational exception.","implications":["Teams already using LangSmith Gateway can evaluate Decisions requests within their existing access and spend-policy setup."],"evidence_boundary":"The documentation establishes the route, configuration, and stated controls, but does not demonstrate latency, accuracy, rollout scope, or comparative performance.","watch_conditions":["Watch for documented coverage of additional Decisions request types and concrete operational reports from deployments."],"related_records":[],"new_branch_reason":"No prior New Runtime record was supplied for this specific Gateway-to-Decisions API integration, so this starts a distinct analytical record without asserting a relationship to an existing record."},"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/langsmith-llm-gateway-now-supports-the-openai-decisions-d9f6eb/","markdown":"https://newruntime.com/posts/langsmith-llm-gateway-now-supports-the-openai-decisions-d9f6eb.md","json":"https://newruntime.com/posts/langsmith-llm-gateway-now-supports-the-openai-decisions-d9f6eb.json"},"next_reads":[{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}