Models

Gemini 2.5 Pro Preview 05-06 vs GPT 5.6 Luna

Compare Gemini 2.5 Pro Preview 05-06 from Google 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.

GoogleGemini 2.5 Pro Preview 05-06OpenAIGPT 5.6 Luna
Google logo
Gemini 2.5 Pro Preview 05-06
Google · text, image, video, audio, pdf → text

gemini-2.5-pro latest model

Input$1.25 /M
Output$10 /M
Cache read$0.3125 /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$1 /M
Output$6 /M
Cache read$0.1 /M

Pricing & Specifications

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

Gemini 2.5 Pro Preview 05-06
GPT 5.6 Luna
Input /M
$1.25
$1
Output /M
$10
$6
Cache read /M
$0.3125
$0.1
Context length
1,048,576
1,050,000
Max output
65,536
128,000
Time to First Token
-
2.2 s
Throughput
-
88.4 tok/s
Modalities
textimagevideoaudiopdf
textimage
Supported Parameters
thinkinglong context
toolsthinkingstructured outputs
API Formats
chat_completions · responses
Released
-
-

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.

gemini-2.5-pro-preview-05-06gpt-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.

gemini-2.5-pro-preview-05-06gpt-5.6-luna

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

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Cost calculator

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

GPT 5.6 Luna
$150 /mo
Gemini 2.5 Pro Preview 05-06
$225 /mo

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

FAQ

Which is cheaper: Gemini 2.5 Pro Preview 05-06, GPT 5.6 Luna?

GPT 5.6 Luna: $6/M output tokens; Gemini 2.5 Pro Preview 05-06: $10/M. Use the cost calculator above to estimate your own workload.

How large is each context window?

Gemini 2.5 Pro Preview 05-06 accepts 1,048,576 and GPT 5.6 Luna accepts 1,050,000 input tokens. Maximum output per request is 65,536 tokens on Gemini 2.5 Pro Preview 05-06 and 128,000 tokens on GPT 5.6 Luna.

What inputs and capabilities does each model support?

Gemini 2.5 Pro Preview 05-06 accepts text, image, video, audio and PDF input and supports thinking and long context; GPT 5.6 Luna accepts text and image input and supports tool calling, thinking and structured outputs.

Can I call Gemini 2.5 Pro Preview 05-06 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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