Phi-4-mini-reasoning is a lightweight open model designed for advanced mathematical reasoning and logic-intensive problem-solving. It is particularly well-suited for tasks such as formal proofs, symbolic computation, and solving multi-step word problems. With its efficient architecture, the model balances high-quality reasoning performance with cost-effective deployment, making it ideal for educational applications, embedded tutoring, and lightweight edge or mobile systems. Phi-4-mini-reasoning supports a 128K token context length, enabling it to process and reason over long mathematical problems and proofs. Built on synthetic and high-quality math datasets, the model leverages advanced fine-tuning techniques such as supervised fine-tuning and preference modeling to enhance reasoning capabilities. Its training incorporates safety and alignment protocols, ensuring robust and reliable performance across supported use cases.
AIHubMix Phi 4 Mini (reasoning) vs Aihub Phi 4
Compare AIHubMix Phi 4 Mini (reasoning) from Microsoft and Aihub Phi 4 from Microsoft on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.
Phi-4 is a state-of-the-art open model based on a combination of synthetic datasets, curated public domain website data, and acquired academic books and QA datasets. The approach aims to ensure that small, efficient models are trained using data focused on high quality and advanced reasoning.
Pricing & Specifications
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
Promotional prices show the discounted rate; see each model page for promotion windows.
Activity Past 30 Days
Daily traffic served through AIHubMix — how demand for each model is trending.
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Performance Past 3 Days
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Throughput (tok/s)
TTFT (s)
Uptime (%)
LMArena Benchmarks
LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.
Source: LMArena (arena.ai) leaderboard, imported by AIHubMix. Models without published ratings are omitted per chart.
Cost calculator
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Monthly = daily × 30. Discounted rates applied where a promotion is active.
FAQ
Which is cheaper: AIHubMix Phi 4 Mini (reasoning), Aihub Phi 4?
AIHubMix Phi 4 Mini (reasoning): $0.12/M output tokens; Aihub Phi 4: $0.48/M. Use the cost calculator above to estimate your own workload.
How do their coding arena scores compare?
Aihub Phi 4: 1307; AIHubMix Phi 4 Mini (reasoning): 1306 (LMArena coding leaderboard).
How large is each context window?
AIHubMix Phi 4 Mini (reasoning) accepts 128,000 and Aihub Phi 4 accepts 16,400 input tokens. Maximum output per request is 4,000 tokens on AIHubMix Phi 4 Mini (reasoning) and 16,400 tokens on Aihub Phi 4.
What inputs and capabilities does each model support?
AIHubMix Phi 4 Mini (reasoning) accepts text input; Aihub Phi 4 accepts text input.
Can I call AIHubMix Phi 4 Mini (reasoning) and Aihub Phi 4 with the same API key?
Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.
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