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phi-4-reasoning-plus

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Phi-4-reasoning-plus is an enhanced 14B parameter model from Microsoft, fine-tuned from Phi-4 with additional reinforcement learning to boost accuracy on math, science, and code reasoning tasks. It uses the same dense decoder-only transformer architecture as Phi-4, but generates longer, more comprehensive outputs structured into a step-by-step reasoning trace and final answer. While it offers improved benchmark scores over Phi-4-reasoning across tasks like AIME, OmniMath, and HumanEvalPlus, its responses are typically ~50% longer, resulting in higher latency. Designed for English-only applications, it is well-suited for structured reasoning workflows where output quality takes priority over response speed.

Input:$0.07 / 1M tokens
Output:$0.35 / 1M tokens
Context:32768 tokens
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Model Parameters
12 available
frequency_penalty
-202
include_reasoning
max_tokens
min_p
001
presence_penalty
-201.999
repetition_penalty
012
response_format
seed
stop
temperature
012
top_k
top_p
011
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