# DeepInfra vs StepFun API (slim)

> DeepInfra scores 63 (B) 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/deepinfra-vs-stepfun-api.md (~2,650 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/deepinfra-vs-stepfun-api.json · canonical https://www.anchorterminal.com/compare/deepinfra-vs-stepfun-api
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-12

DeepInfra scores 63 (B) on agent readiness against StepFun API's 44.4 (E), and leads in 6 of 7 scored categories. Both do llm inference.

- DeepInfra: B 63, rank #417 of 965 · https://www.anchorterminal.com/tools/deepinfra.min.md
- StepFun API: E 44.4, rank #889 of 965 · https://www.anchorterminal.com/tools/stepfun-api.min.md
- DeepInfra, good for Agents that want many open-weight models, embeddings, image and speech behind one OpenAI-style key at low per-token prices, with spend-capped tokens. Ahead on Reliability, 70 against 28; Schema & documentation, 69 against 53; Agent ergonomics, 77 against 68; Security & auth, 64 against 41; Maintenance & community, 65 against 50; Transparency & trust, 67 against 58.
- 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 | DeepInfra | StepFun API |
| --- | --- | --- |
| Reliability (16%) | 70 | 28 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 69 | 53 |
| Agent ergonomics (13%) | 77 | 68 |
| Security & auth (14%) | 64 | 41 |
| Payments & pricing (10%) | 20 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 65 | 50 |
| Transparency & trust (7%) | 67 | 58 |

| Fact (where they differ) | DeepInfra | StepFun API |
| --- | --- | --- |
| Vendor | Deep Infra Inc. | StepFun |
| Hosted endpoint | `https://api.deepinfra.com/v1/openai` | `https://api.stepfun.ai/v1` |
| Licence | Proprietary service under the DeepInfra Terms of Service. The Python and Node SDKs and the docs repository are MIT | Closed service under the StepFun Open Platform Terms of Service (STEPFUN TECHNOLOGY (HK) LIMITED, Hong Kong law). |
| Last release | 2026-10-07 | none |
| Terms last updated | 2026-08-17 |  |
| Privacy policy last updated | 2026-08-15 |  |
| Customer content may train models | not found in the text |  |
| Terms restrict automated access | not found in the text |  |
| Terms restrict benchmarking | yes |  |
| Terms or service can change without notice | not found in the text |  |
| Arbitration or class-action waiver | yes |  |
| Popularity | 21 stars, 1.2k npm/wk, 50 PyPI/wk | none |