Celeris-1 Decision Alternatives
Diffusion-based decision model: yes/no, choice and score answers with probabilities and optional one-line reasons
Celeris-1 Decision is a decision model from Celeris, built on a diffusion language model. It evaluates noul (yes/no), choice and score questions about a state of text, JSON, images or a mix.
Explore 18 alternatives to Celeris-1 Decision across 1 category. Updated October 2026.
Featured
System1 Models
Hosted open decision models behind a Jev-compatible API, with an EU-only tier and a lower-cost Peer-to-Peer tier
$0.019 per 1M input tokens (s1-fast), output free
Lium
GPU rental marketplace where independent providers list verified NVIDIA hosts, billed per second
From $0.06/GPU-hour (RTX 3060, 15 Oct 2026)
NanoGPT
One OpenAI-compatible API for 600+ models, with text billed at provider list prices
Pay per prompt, from $0.10
Top Celeris-1 Decision alternatives at a glance
- System1 Models. Hosted open decision models behind a Jev-compatible API, with an EU-only tier and a lower-cost Peer-to-Peer tier
- Liquid AI d1. Open-weight 3B decision model on LFM2.5-VL: typed answers over text, JSON and images in one forward pass
- Nace.AI Drex. Jev-compatible decision models with open weights: a probability for every option from one pass, 128K context
- Clef. Cloudflare's open decision models: typed choices, scores and yes/no answers with probabilities, hosted or self-run.
- ScaleDown Classify-1. Jev-compatible decision API for classification: label probabilities over text, images and documents up to 1M tokens
Compare Celeris-1 Decision with its alternatives
| Product | Pricing Model | Free Tier | Open Source | Hosting | HQ |
|---|---|---|---|---|---|
| Celeris-1 Decision | Pay-per-use | — | — | Cloud | — |
| System1 Models | Pay-per-use | — | — | Cloud | ๐ฉ๐ช Germany |
| Liquid AI d1 | Freemium | ✓ | ✓ LFM Open License v1.0 | Cloud + Self-hosted | — |
| Nace.AI Drex | Freemium | ✓ | ✓ Nace.AI Open RAIL-M | Cloud + Self-hosted | ๐บ๐ธ United States |
| Clef | Pay-per-use | — | ✓ APACHE-2.0 | Cloud + Self-hosted | ๐บ๐ธ United States |
| ScaleDown Classify-1 | Freemium | ✓ | — | Cloud | ๐บ๐ธ United States |
| OpenAI Decisions API | Pay-per-use | — | — | Cloud | ๐บ๐ธ United States |
| Respan Span-01 | Freemium | ✓ | — | Cloud | ๐บ๐ธ United States |
| Upstage Solar Decide | Pay-per-use | — | — | Cloud | ๐ฐ๐ท South Korea |
| Mapika Decider | Free | ✓ | ✓ APACHE-2.0 | Self-hosted | — |
| Perplexity pplx-decider | — | ✓ | ✓ APACHE-2.0 | Cloud + Self-hosted | — |
| Laya | Free | — | ✓ APACHE-2.0 | Self-hosted | — |
| Strands Decider | Free | ✓ | ✓ APACHE-2.0 | Self-hosted | ๐บ๐ธ United States |
| Microsoft-Decision-1 | Pay-per-use | — | — | Cloud | ๐บ๐ธ United States |
| TypeSafe Jev | Pay-per-use | — | — | Cloud | ๐บ๐ธ United States |
| Fastino GLiDE | Pay-per-use | — | — | Cloud | — |
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