Compare Gemma 4 31B 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.
Gemma 4 31B It (free)
GPT 5.6 LunaGemma 4 31B Instruct is a 30.7B dense multimodal model from Google DeepMind that supports both text and image inputs with text outputs. It features a massive 256K token context window, allowing it to process and analyze extensive documents and conversations. Additionally, the model offers a configurable thinking and reasoning mode along with native function support for advanced task execution.
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.
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
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Gemma 4 31B It (free) accepts 262,144 and GPT 5.6 Luna accepts 1,050,000 input tokens.
Gemma 4 31B 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.
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