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    deepseek/deepseek-r1-0528-qwen3-8b:free

    open_router/deepseek/deepseek-r1-0528-qwen3-8b:free

    ChatSystem prompt

    Context

    —

    Max output

    16K

    Input / 1M

    Free

    Output / 1M

    Free

    Modality

    Chat

    Cutoff

    Aug 2024

    About this model

    DeepSeek-R1-0528 is a lightly upgraded release of DeepSeek R1 that taps more compute and smarter post-training tricks, pushing its reasoning and inference to the brink of flagship models like O3 and Gemini 2.5 Pro.

    Best suited for

    • Lightweight RAG, simple data extraction, fast development tasks, fine-tuning experiments, and low-latency, cost-free applications.

    Capabilities

    System prompt

    Honours a dedicated system role, separate from the user turn.

    Supported parameters

    creativity_level

    Controls the creativity of responses. Higher values (e.g., 0.7) increase creativity; lower values (e.g., 0.2) make responses more predictable.

    max_tokensMax Tokens Limit

    Specifies the maximum number of text units (tokens) allowed in a response, limiting its length.

    probability_cutoffProbability Cutoff (Top P)

    Focuses on the most likely words based on a percentage of probability.

    log_probability

    If true, returns the log probabilities of each output token returned in the content of message.

    repetition_penalty

    The `frequency_penalty` controls how often the model repeats itself, with higher positive values reducing repetition and negative values encouraging it.

    novelty_penalty

    Discourages responses that are too similar to previous ones.

    stop

    This parameter tells the model to stop generating text when it reaches any of the specified sequences (like a word or punctuation)

    response_type

    Defines the format or type of the generated response.

    stream

    Sends the response in real-time as it's being generated.