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Editorial comparison for operators. Ratings are sample data unless verified.
| Attribute | Together AI | OpenRouter |
|---|---|---|
| Type | tool | tool |
| Summary | Together AI provides serverless LLM inference for open models and custom fine-tuned variants, enabling builders to ship AI features without managing infrastructure. | OpenRouter is a unified API gateway that routes requests across multiple LLM providers, enabling developers to optimize for cost, latency, and model capability without vendor lock-in. |
| Pricing | usage based · See vendor site — sample data | usage based · See vendor site — sample data |
| Free trial | Yes | No / not listed |
| API | Yes | Yes |
| Open source | No | No |
| Editor rating | — | — |
| Categories | AI Infrastructure, LLM Platforms, API Services | AI Infrastructure, API & Integration, Developer Tools |
| Key features | Serverless API access to 100+ open-source and proprietary models (verify current catalog on vendor site) · Per-token pricing with batch inference discounts for non-real-time workloads · Custom model fine-tuning and deployment on shared infrastructure · Streaming responses for real-time chat and generation features · REST and Python SDK interfaces with familiar LLM API patterns | Unified API endpoint supporting 100+ models across multiple providers (verify on vendor site) · Automatic failover routing with configurable fallback chains · Per-model pricing transparency and credit-based billing · Centralized request logging, analytics, and usage tracking · Native support for streaming responses and function calling (verify on vendor site) |
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