DeepSeek: deepseek-chat:free
deepseek-chat is a dynamic model alias for DeepSeek's official API. As of January 2026, it points to the DeepSeek-V3.2 flagship. Utilizing a 671B total parameter MoE architecture with 37B active parameters, it serves as a versatile powerhouse for general-purpose tasks. Unlike the reasoning-focused deepseek-reasoner, this model defaults to Non-Thinking mode to ensure ultra-low latency and high throughput. Powered by DeepSeek Sparse Attention (DSA), it supports an expanded 1.01 million token context window. It remains one of the world's most cost-effective production-grade APIs, excelling in multilingual conversation, creative writing, and high-concurrency applications.
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Supported parameters
All providers = every upstream serving this model supports it. Some providers = depends on which upstream handles the request. Default = the value sent when you leave the parameter unset.
| Parameter | Providers | Default |
|---|---|---|
| frequency_penalty | All providers | - |
| logit_bias | Some providers | - |
| max_tokens | All providers | - |
| min_p | Some providers | - |
| presence_penalty | All providers | - |
| repetition_penalty | Some providers | - |
| response_format | Some providers | - |
| seed | Some providers | - |
| stop | All providers | - |
| structured_outputs | Some providers | - |
| temperature | All providers | - |
| tool_choice | All providers | - |
| tools | All providers | - |
| top_k | Some providers | - |
| top_p | All providers | - |