Models

Gemma 4 26B A4B It (free) vs GPT 5.6 Luna

Compare Gemma 4 26B A4B It (free) 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.

GoogleGemma 4 26B A4B It (free)OpenAIGPT 5.6 Luna
Google logo
Gemma 4 26B A4B It (free)
Google · text, image, video → text

Gemma 4 26B A4B IT is an instruction-tuned Mixture-of-Experts (MoE) model developed by Google DeepMind. Featuring an expansive context length of 262,144 tokens, it delivers near-31B quality with highly efficient inference. Despite its 25.2B total parameters, only 3.8B are activated per token, making it an incredibly fast and cost-effective solution.

Input$0 /M
Output$0 /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.

Gemma 4 26B A4B It (free)
GPT 5.6 Luna
Input /M
$0
$0.2
Output /M
$0
$1.2
Cache read /M
-
$0.02
Context length
262,144
1,050,000
Max output
0
128,000
Time to First Token
-
5.0 s
Throughput
-
47.2 tok/s
Modalities
textimagevideo
textimage
Supported Parameters
reasoningtool callinglong context
toolsthinkingstructured outputs
API Formats
chat_completions
chat_completions · responses
Released
April 2, 2026
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.

gemma-4-26b-a4b-it-freegpt-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.

gemma-4-26b-a4b-it-freegpt-5.6-luna

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

Cost calculator

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

Gemma 4 26B A4B It (free)
$0.00 /mo
GPT 5.6 Luna
$30.00 /mo

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

FAQ

How large is each context window?

Gemma 4 26B A4B It (free) accepts 262,144 and GPT 5.6 Luna accepts 1,050,000 input tokens.

What inputs and capabilities does each model support?

Gemma 4 26B A4B It (free) accepts text, image and video input and supports reasoning, tool calling and long context; GPT 5.6 Luna accepts text and image input and supports tool calling, thinking and structured outputs.

Can I call Gemma 4 26B A4B It (free) 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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