{"type":"post","id":"open-weight-takes-71-5-of-tokens-and-1f3202","slug":"open-weight-takes-71-5-of-tokens-and-1f3202","title":"Open weight takes 71.5% of tokens and 23% of spend","description":"Vercel’s October 2026 AI Gateway Production Index reports that open-weight models processed 71.5% of gateway tokens in September and represented nearly 23% of spend.","retrieval_nugget":"Vercel’s October 2026 AI Gateway Production Index reports that open-weight models processed 71.5% of gateway tokens in September and represented nearly 23% of spend.","published_at":"2026-10-15","updated_at":"2026-10-15","record_date":"2026-10-15","date_kind":"published_at","topics":["models"],"source_urls":["https://vercel.com/blog/ai-gateway-production-index-october-2026"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:open-weight-takes-71-5-of-tokens-and-1f3202","status":"published","visuals":[],"editorial_provenance":{"schema_version":"newruntime-editorial-copy-v1","content_status":"source_grounded_final","final_copy_sha256":"sha256:22edd6b610e71581422b75207210c95c3c0c21db2f749d66f22cd558d2e58076","reviewed_at":"2026-10-15T19:04:50.203Z","source_evidence_count":1,"verified_claim_count":3,"site_analysis_schema_version":"newruntime-site-analysis-v1","site_object_kind":"field_note","observed_fact_count":3,"implication_count":2,"watch_condition_count":1,"related_record_count":0},"analysis":{"schema_version":"newruntime-site-analysis-v1","object_kind":"field_note","thesis":"Open-weight models are moving from token-volume dominance toward a meaningful, though still minority, share of production inference spend.","observed_facts":[{"text":"Vercel reports that open-weight models processed 71.5% of AI Gateway tokens in September and accounted for nearly 23% of spend.","source_urls":["https://vercel.com/blog/ai-gateway-production-index-october-2026"]},{"text":"Vercel says open-weight share of spend has more than quadrupled since June; DeepSeek-V4.1-Flash processed nearly half of September tokens but took 2.6% of spend.","source_urls":["https://vercel.com/blog/ai-gateway-production-index-october-2026"]},{"text":"Vercel reports that frontier-model spend grew tenfold since December, while open-weight spend grew more than seventyfold.","source_urls":["https://vercel.com/blog/ai-gateway-production-index-october-2026"]}],"mechanism":"The report attributes token growth largely to cheaper models and spend growth to more expensive models, with Kimi K3 contributing nearly half the increase in open-weight spending and DeepSeek-V4.1-Flash processing high volume at a low cost per token.","why_now":"September recorded the largest monthly gains in open-weight token share and spend share in the index’s history, after open-weight models first processed a majority of gateway tokens in August.","implications":["Teams should separate model selection by workload volume from budget impact; the highest-volume model may account for only a small share of spend.","Growing open-weight share does not establish that frontier models are being displaced, because the report also records substantial frontier-spend growth."],"evidence_boundary":"These are Vercel AI Gateway observations, not a census of enterprise AI usage or the entire model market.","watch_conditions":["Whether open-weight models continue gaining spend share in subsequent index editions, rather than only token volume, will show whether this shift persists."],"related_records":[],"new_branch_reason":"No prior New Runtime record was supplied for this story, so this is a distinct analytical record focused on the divergence between open-weight token volume and spend share."},"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/open-weight-takes-71-5-of-tokens-and-1f3202/","markdown":"https://newruntime.com/posts/open-weight-takes-71-5-of-tokens-and-1f3202.md","json":"https://newruntime.com/posts/open-weight-takes-71-5-of-tokens-and-1f3202.json"},"next_reads":[{"type":"topic","path":"/topics/models/","url":"https://newruntime.com/topics/models/","title":"Models","reason":"Explore the models topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/models.md","json_url":"https://newruntime.com/topics/models.json"},{"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"}]}