Microsoft-Decision-1

COMPETITORS IN THIS LINE

Microsoft-Decision-1 vs 8 alternatives

• Jev (TypeSafe AI) 2026-09 — The model that defined the category: TypeSafe's hosted System One decision model.
• Clef (Cloudflare) 2026-10-01 — Cloudflare's open decision models Clef and Clef-flash (Clef-omni adds audio and video), hosted on Workers AI and released as Apache-2.0 weights.
• Laya (Convai Innovations) 2026-09-18 — Open, non-autoregressive decision engine: typed choice, score and yes/no decisions in a single forward pass, 100+ languages, with a router that picks the checkpoint per request.
• Kev (Jared Palmer) 2026-09 — A family of small self-hosted decision models built on Qwen3.5 (0.8B, 4B and 9B) with training code and an API that matches TypeSafe's System One, so TypeSafe's own SDK can point at a local server.
• pplx-decider (Perplexity) 2026-10-05 — Perplexity's Decisions API: pplx-decider-v1.2 (27B, $0.02 per 1M input tokens) and pplx-decider-flash-v1.2 (4B, $0.01).
• Decisions API (OpenAI) 2026-10-22 — OpenAI's Decisions API, generally available 22 October 2026 on GPT-6 Luna: predicate, choice and score questions over text, images and JSON, up to 400 questions per request, $0.10 per 1M input tokens ($0.01 cached).
• d1 (Liquid AI) 2026-10-05 — Liquid AI's decision-model family: hosted d1.1 and d1-ultra (text and images) over the Liquid API, plus open-weight d1-3B and d1-omni-600M (text with image or audio) for local and edge use under the LFM Open License.
• GLiDE (Fastino) 2026-10 — Fastino's Generalized Lightweight Decision Engine: a hosted API using the same state-and-questions format as Jev, which reasons further only when its first estimate is uncertain.

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