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 GLM 5.2
Output tokens cost $0.12 per million on Aihubmix Phi 4 Mini (reasoning) and $3.94 per million on GLM 5.2. Input tokens cost $0.12 per million on Aihubmix Phi 4 Mini (reasoning) and $1.13 per million on GLM 5.2. Cached input tokens are billed at $0.12 per million on Aihubmix Phi 4 Mini (reasoning) and $0.28 per million on GLM 5.2. Context lengths are 128,000 tokens on Aihubmix Phi 4 Mini (reasoning) and 1,000,000 tokens on GLM 5.2. On the LMArena coding leaderboard Aihubmix Phi 4 Mini (reasoning) scores 1306 and GLM 5.2 scores 1505.
GLM 5.2GLM-5.2 is Z.ai’s flagship model for the era of long-horizon tasks. With a truly usable 1M-token context window, it can handle project-level engineering context, execute long-running tasks more reliably, follow engineering standards more consistently, and complete the full development workflow from requirements to multi-platform deployment in a single task.
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
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Performance Past 3 Days
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LMArena Benchmarks
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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), GLM 5.2?
Aihubmix Phi 4 Mini (reasoning): $0.12/M output tokens; GLM 5.2: $3.94/M. Use the cost calculator above to estimate your own workload.
How do their coding arena scores compare?
GLM 5.2: 1505; Aihubmix Phi 4 Mini (reasoning): 1306 (LMArena coding leaderboard).
How large is each context window?
Aihubmix Phi 4 Mini (reasoning) accepts 128,000 and GLM 5.2 accepts 1,000,000 input tokens. Maximum output per request is 4,000 tokens on Aihubmix Phi 4 Mini (reasoning) and 128,000 tokens on GLM 5.2.
What inputs and capabilities does each model support?
Aihubmix Phi 4 Mini (reasoning) accepts text input; GLM 5.2 accepts text input and supports thinking, tool calling, function calling and structured outputs.
Can I call Aihubmix Phi 4 Mini (reasoning) and GLM 5.2 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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