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    deepseek/deepseek-r1:free

    open_router/deepseek/deepseek-r1:free

    ChatSystem prompt

    Context

    164K

    Max output

    16K

    Input / 1M

    Free

    Output / 1M

    Free

    Modality

    Chat

    Cutoff

    —

    About this model

    DeepSeek R1 is here: Performance on par with OpenAI o1, but open-sourced and with fully open reasoning tokens. It's 671B parameters in size, with 37B active in an inference pass.

    Best suited for

    • Mathematical reasoning, analytical tasks, code generation, and cost-sensitive applications requiring stronger logic without premium models.

    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.

    parallel_tool_calls

    Enables parallel execution of tools, allowing multiple tools to run simultaneously.

    stream

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