Models

AIHubMix Phi 4 Mini (reasoning) vs GPT 5.6 Luna

Compare AIHubMix Phi 4 Mini (reasoning) from Microsoft and GPT 5.6 Luna from OpenAI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

MicrosoftAIHubMix Phi 4 Mini (reasoning)OpenAIGPT 5.6 Luna
Microsoft logo
AIHubMix Phi 4 Mini (reasoning)
Microsoft · text → text

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.

Input$0.12 /M
Output$0.12 /M
OpenAI logo
GPT 5.6 Luna
OpenAI · text, image → text

GPT-5.6 Luna is designed for cost-sensitive, high-volume workloads. It roughly corresponds to the nano model tier used in earlier GPT-5 families.

Input$0.2 /M
Output$1.2 /M
Cache read$0.02 /M

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

AIHubMix Phi 4 Mini (reasoning)
GPT 5.6 Luna
Input /M
$0.12
$0.2
Output /M
$0.12
$1.2
Cache read /M
-
$0.02
Context length
128,000
1,050,000
Max output
4,000
128,000
Time to First Token
-
5.0 s
Throughput
-
47.6 tok/s
Modalities
text
textimage
Supported Parameters
toolsthinkingstructured outputs
API Formats
chat_completions · responses
Released
-
July 9, 2026

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.

AiHubmix-Phi-4-mini-reasoninggpt-5.6-luna

Tokens / day

-

Requests / day

-

Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

AiHubmix-Phi-4-mini-reasoninggpt-5.6-luna

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

Cost calculator

Estimate your monthly bill for the same workload on each model.

AIHubMix Phi 4 Mini (reasoning)
$9.00 /mo
GPT 5.6 Luna
$30.00 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

Which is cheaper: AIHubMix Phi 4 Mini (reasoning), GPT 5.6 Luna?

AIHubMix Phi 4 Mini (reasoning): $0.12/M output tokens; GPT 5.6 Luna: $1.2/M. Use the cost calculator above to estimate your own workload.

How large is each context window?

AIHubMix Phi 4 Mini (reasoning) accepts 128,000 and GPT 5.6 Luna accepts 1,050,000 input tokens. Maximum output per request is 4,000 tokens on AIHubMix Phi 4 Mini (reasoning) and 128,000 tokens on GPT 5.6 Luna.

What inputs and capabilities does each model support?

AIHubMix Phi 4 Mini (reasoning) accepts text input; GPT 5.6 Luna accepts text and image input and supports tool calling, thinking and structured outputs.

Can I call AIHubMix Phi 4 Mini (reasoning) and GPT 5.6 Luna 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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