# Celeris-1 Decision vs OpenAI Decisions API (slim)

> OpenAI Decisions API scores 71.5 (BB) on agent readiness against Celeris-1 Decision's 49.3 (D), and leads in every scored category. Both do inference decision. Celeris-1 Decision is cheaper for inference decision, $0 against $0.10 per 1M tokens. Category scores, facts, verdicts…

- Full: https://www.anchorterminal.com/compare/celeris-1-decision-vs-openai-decisions-api.md (~2,500 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/celeris-1-decision-vs-openai-decisions-api.json · canonical https://www.anchorterminal.com/compare/celeris-1-decision-vs-openai-decisions-api
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

OpenAI Decisions API scores 71.5 (BB) on agent readiness against Celeris-1 Decision's 49.3 (D), and leads in every scored category. Both do inference decision. Celeris-1 Decision is cheaper for inference decision, $0 against $0.10 per 1M tokens.

- Celeris-1 Decision: D 49.3, rank #708 of 842 · https://www.anchorterminal.com/tools/celeris-1-decision.min.md
- OpenAI Decisions API: BB 71.5, rank #119 of 842 · https://www.anchorterminal.com/tools/openai-decisions-api.min.md
- Celeris-1 Decision, good for Multimodal classification, routing and bounded decisions with probabilities and optional explanations Also Cheaper for inference decision, $0 against $0.10 per 1M tokens.
- OpenAI Decisions API, good for High-volume yes or no checks, routing among fixed options and rubric scoring over text and images, for teams already on an OpenAI key. Ahead on Reliability, 53 against 40; Schema & documentation, 89 against 60; Agent ergonomics, 87 against 80; Security & auth, 83 against 45; Payments & pricing, 30 against 20; Maintenance & community, 77 against 40; Transparency & trust, 83 against 53. Also Agent-ready, a grade of BB or better.

| Category | Celeris-1 Decision | OpenAI Decisions API |
| --- | --- | --- |
| Reliability (16%) | 40 | 53 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 60 | 89 |
| Agent ergonomics (13%) | 80 | 87 |
| Security & auth (14%) | 45 | 83 |
| Payments & pricing (10%) | 20 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 40 | 77 |
| Transparency & trust (7%) | 53 | 83 |

| Fact (where they differ) | Celeris-1 Decision | OpenAI Decisions API |
| --- | --- | --- |
| Vendor | Celeris (Marqo Inc) | OpenAI |
| Hosted endpoint | `https://inference.celeris.ai/celeris-1-decision/v1/systemone` | `https://api.openai.com/v1/decisions` |
| Price for inference decision | free | $0.10 per 1M tokens |
| Licence | Proprietary hosted model under Celeris terms of service | Proprietary service under OpenAI's services agreement. The official SDKs are Apache-2.0 |
| Last release | 2026-10-08 | 2026-10-06 |
| Terms last updated | 2026-09-08 | couldn't be read |
| Privacy policy last updated | 2026-07-23 | couldn't be read |
| Customer content may train models | not found in the text | couldn't be read |
| Terms restrict automated access | not found in the text | couldn't be read |
| Terms restrict benchmarking | yes | couldn't be read |
| Terms or service can change without notice | not found in the text | couldn't be read |
| Arbitration or class-action waiver | not found in the text | couldn't be read |
| Popularity | none | 32k stars |