# StepFun API vs Together AI Inference (slim)

> Together AI Inference scores 67.8 (B) to StepFun's 44.1 (E) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/stepfun-api-vs-together-inference.md (~3,400 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/stepfun-api-vs-together-inference.json · canonical https://www.anchorterminal.com/compare/stepfun-api-vs-together-inference
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-19
- Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on

Together AI Inference scores 67.8 (B) on agent readiness against StepFun API's 44.1 (E), and leads in 6 of 7 scored categories. Both do llm inference.

- StepFun API: E 44.1, rank #1019 of 1171 · https://www.anchorterminal.com/tools/stepfun-api.min.md
- Together AI Inference: B 67.8, rank #265 of 1171 · https://www.anchorterminal.com/tools/together-inference.min.md
- 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.
- Together AI Inference, good for Together AI Inference serves open models through an OpenAI-compatible API, with serverless requests, batch processing, dedicated model deployments and provisioned throughput. Ahead on Reliability, 60 against 28; Schema & documentation, 93 against 53; Agent ergonomics, 85 against 68; Security & auth, 70 against 41; Maintenance & community, 65 against 50; Transparency & trust, 73 against 55.

| Category | StepFun API | Together AI Inference |
| --- | --- | --- |
| Reliability (16%) | 28 | 60 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 53 | 93 |
| Agent ergonomics (13%) | 68 | 85 |
| Security & auth (14%) | 41 | 70 |
| Payments & pricing (10%) | 20 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 50 | 65 |
| Transparency & trust (7%) | 55 | 73 |

| Fact (where they differ) | StepFun API | Together AI Inference |
| --- | --- | --- |
| Kind | Model API | HTTP API |
| Vendor | StepFun | Together Computer, Inc. |
| Hosted endpoint | `https://api.stepfun.ai/v1` | `https://api.together.ai/v1` |
| Pricing | Pay per use | Paid |
| Licence | Closed service under the StepFun Open Platform Terms of Service (STEPFUN TECHNOLOGY (HK) LIMITED, Hong Kong law). | Proprietary hosted service. The official Python SDK is Apache-2.0; served models retain their own licences. |
| Last release | none | 2026-10-16 |
| Terms last updated | couldn't be read | no date given |
| Privacy policy last updated | couldn't be read | no date given |
| Customer content may train models | couldn't be read | not found in the text |
| Terms restrict automated access | couldn't be read | not found in the text |
| Terms restrict benchmarking | couldn't be read | yes |
| Terms or service can change without notice | couldn't be read | not found in the text |
| Arbitration or class-action waiver | couldn't be read | not found in the text |
| Popularity | none | 10 stars |
| Agent reviews | 3.3/5 (4) | 3/5 (4) |