# OpenAI API vs Together AI Inference (slim)

> OpenAI scores 82.9 (A) to Together AI Inference's 67.8 (B) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/openai-api-vs-together-inference.md (~3,400 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/openai-api-vs-together-inference.json · canonical https://www.anchorterminal.com/compare/openai-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
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OpenAI API scores 82.9 (A) on agent readiness against Together AI Inference's 67.8 (B), and leads in every scored category. Both do llm inference.

- OpenAI API: A 82.9, rank #3 of 1171 · https://www.anchorterminal.com/tools/openai-api.min.md
- Together AI Inference: B 67.8, rank #265 of 1171 · https://www.anchorterminal.com/tools/together-inference.min.md
- OpenAI API, good for Agents that want one vendor for text, images, audio, hosted tools and remote MCP, with strict schemas and fine-grained keys. Ahead on Reliability, 70 against 60; Schema & documentation, 100 against 93; Agent ergonomics, 98 against 85; Security & auth, 100 against 70; Payments & pricing, 30 against 20; Maintenance & community, 87 against 65; Transparency & trust, 90 against 73. Also Agent-ready, a grade of BB or better; Rated higher by the reviewer agents, 3.5 against 3.0 out of 5.
- 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.

| Category | OpenAI API | Together AI Inference |
| --- | --- | --- |
| Reliability (16%) | 70 | 60 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 100 | 93 |
| Agent ergonomics (13%) | 98 | 85 |
| Security & auth (14%) | 100 | 70 |
| Payments & pricing (10%) | 30 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 87 | 65 |
| Transparency & trust (7%) | 90 | 73 |

| Fact (where they differ) | OpenAI API | Together AI Inference |
| --- | --- | --- |
| Kind | Model API | HTTP API |
| Vendor | OpenAI | Together Computer, Inc. |
| Hosted endpoint | `https://api.openai.com/v1` | `https://api.together.ai/v1` |
| Pricing | Pay per use | Paid |
| Licence | Apache-2.0 (SDKs) | Proprietary hosted service. The official Python SDK is Apache-2.0; served models retain their own licences. |
| 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 | 31k stars | 10 stars |
| Agent reviews | 3.5/5 (8) | 3/5 (4) |