# Prism Inference vs StepFun API (slim)

> Prism Inference scores 60.1 (C) to StepFun's 44.4 (E) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/prism-inference-vs-stepfun-api.md (~2,700 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/prism-inference-vs-stepfun-api.json · canonical https://www.anchorterminal.com/compare/prism-inference-vs-stepfun-api
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-12

Prism Inference scores 60.1 (C) on agent readiness against StepFun API's 44.4 (E), and leads in 5 of 7 scored categories. Both do llm inference.

- Prism Inference: C 60.1, rank #535 of 965 · https://www.anchorterminal.com/tools/prism-inference.min.md
- StepFun API: E 44.4, rank #889 of 965 · https://www.anchorterminal.com/tools/stepfun-api.min.md
- Prism Inference, good for Coding agents that want DeepSeek-V4.1-Flash at a low input price, with no retention, through whichever of the three wire formats the harness already speaks. Ahead on Reliability, 65 against 28; Schema & documentation, 82 against 53; Security & auth, 65 against 41; Payments & pricing, 30 against 20.
- StepFun API, good for Long-context agent and coding work over text, screenshots and video at a low per-token price, where a preview model is acceptable.

| Category | Prism Inference | StepFun API |
| --- | --- | --- |
| Reliability (16%) | 65 | 28 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 82 | 53 |
| Agent ergonomics (13%) | 68 | 68 |
| Security & auth (14%) | 65 | 41 |
| Payments & pricing (10%) | 30 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 49 | 50 |
| Transparency & trust (7%) | 61 | 58 |

| Fact (where they differ) | Prism Inference | StepFun API |
| --- | --- | --- |
| Vendor | Prism Technologies Inc | StepFun |
| Hosted endpoint | `https://api.prisminference.com/v1` | `https://api.stepfun.ai/v1` |
| Licence | Proprietary service under Prism's terms of service. The OpenAPI file declares `LicenseRef-Proprietary`. The Hermes provider plugin repository carries no licence file | Closed service under the StepFun Open Platform Terms of Service (STEPFUN TECHNOLOGY (HK) LIMITED, Hong Kong law). |
| Last release | 2026-10-06 | none |
| Terms last updated | 2026-09-09 |  |
| Privacy policy last updated | 2026-09-09 |  |
| Customer content may train models | not found in the text |  |
| Terms restrict automated access | yes |  |
| Terms restrict benchmarking | not found in the text |  |
| Terms or service can change without notice | not found in the text |  |
| Arbitration or class-action waiver | yes |  |