# Serverless and Models

- [Serverless](https://docs.parasail.io/parasail-docs/serverless-and-models/serverless.md): Our Serverless Service offers API based on Token Usage with Popular Models.
- [Available Parameters](https://docs.parasail.io/parasail-docs/serverless-and-models/available-parameters.md): We currently support the available parameters that vLLM supports.
- [Qwen3.5 Notes](https://docs.parasail.io/parasail-docs/serverless-and-models/qwen3.5-notes.md)
- [Deepseek V3.X](https://docs.parasail.io/parasail-docs/serverless-and-models/model-specific-parameters.md)
- [GPT-OSS 20b and 120b](https://docs.parasail.io/parasail-docs/serverless-and-models/gpt-oss-20b-and-120b.md)
- [Responses API](https://docs.parasail.io/parasail-docs/serverless-and-models/responses-api.md): Use the OpenAI Responses API for multi-turn, agentic workflows with built-in tool calling.


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