{"name":"01.AI Yi API","tagline":"Self-serve Yi API platform is shutting down; open-weight Yi models remain on HuggingFace.","url":"https://platform.lingyiwanwu.com","category":"models-api","pricing":"paid","price_note":"yi-lightning ¥0.99/1M (~$0.14) and yi-vision-v2 ¥6/1M (~$0.85), 16K context; new signups/top-ups closed 2026-08-03, API calls end 2026-09-03","free_tier":false,"open_source":false,"api":true,"self_host":false,"model_routing":"bundled","verdict":"skip","verdict_text":"01.AI is winding down the self-serve Yi API platform. A 2026-08-03 notice stopped new signups and top-ups; API calls end 2026-09-03 and balance refunds run through 2026-12-03. The open-weight Yi models remain available, but the hosted API is no longer a viable choice for new projects.","limitations":["The self-serve API platform is shutting down: new signups/top-ups closed 2026-08-03; API calls stop 2026-09-03.","Existing balances can be refunded through 2026-12-03; contact yi@01.ai.","The current card is RMB-only and requires Chinese-platform identity verification; the international surface closed in 2024.","yi-lightning and yi-vision-v2 are intelligent-routing SKUs; the actual model served may be DeepSeek or Qwen, not Yi.","Open-weight Yi models are separate from the hosted API and still free on HuggingFace.","The company is pivoting to sales-led enterprise platforms (TrueNorth/Wanzhi); no public pricing for those.","Self-serve API closes 2026-09-03 (announced 2026-08-03): registrations and top-ups stopped, existing calls work until then — enterprise sales only after."],"strengths":["yi-lightning is cheap on a per-token basis.","Open-weight Yi models remain free on HuggingFace.","Shutdown timeline is clearly published."],"use_for":["Existing users winding down before 2026-09-03.","Experimenting with open-weight Yi models on HuggingFace."],"skip_when":["You need a hosted API for a new project.","Chinese-platform identity verification is a blocker.","You want stable SKU identity rather than intelligent routing."],"receipts":["https://platform.lingyiwanwu.com","https://www.usagepricing.com/blueprint/01-ai","https://nolist.ai/item/yi-lightning"],"affiliate":"none","evidence_tier":"source-verified","momentum":"redshift","featured":false,"last_verified":"2026-08-24","observed_by":"whysanesanders","slug":"yi-api","canonical_url":"https://noemium.com/tools/yi-api/","attribution":"Noemium catalog data is licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). See https://noemium.com/method/ for how entries are verified."}