Free-tier head-to-head comparison.
Pick OpenRouter when a/b testing models, multi-provider failover, building agents that pick model per task. the fastest way to try every frontier model with one key.
Pick Together AI when open-source-first stacks. use when you want llama 3.1 405b, deepseek v3, or to fine-tune.
| Feature | OpenRouter | Together AI |
|---|---|---|
| Top model | meta-llama/llama-3.3-70b-instruct:free | meta-llama/Llama-3.3-70B-Instruct-Turbo |
| Free RPM | 20 | 60 |
| Free RPD | 200 | — |
| Free credit | — | $1 |
| Card required | No | No |
| OpenAI-compatible | Yes | Yes |
| API base | https://openrouter.ai/api/v1 | https://api.together.xyz/v1 |
| Best for | A/B testing models, multi-provider failover, building agents that pick model per task. The fastest way to try every frontier model with one key. | Open-source-first stacks. Use when you want Llama 3.1 405B, DeepSeek V3, or to fine-tune. |
| Not for | Latency-critical use cases — adds a routing hop. Use Groq / direct provider when ms matter. | Closed-model needs (GPT-4, Claude). Use OpenRouter or direct provider. |