Gemma 4 31B Instruct is a 30.7B dense multimodal model developed by Google DeepMind that supports both text and image inputs with text outputs. It features an expansive 256K token context window alongside a configurable thinking and reasoning mode. The model also includes native function support to streamline complex tasks.
Gemma 4 31B It (free) vs Kimi K3
Context lengths are 262,144 tokens on Gemma 4 31B It (free) and 1,048,576 tokens on Kimi K3.
Kimi K3 is Kimi’s flagship model for long-horizon coding and end-to-end knowledge work, with a 1M-token context window and industry-leading intelligence.
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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Cost calculator
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Monthly = daily × 30. Discounted rates applied where a promotion is active.
FAQ
How large is each context window?
Gemma 4 31B It (free) accepts 262,144 and Kimi K3 accepts 1,048,576 input tokens.
What inputs and capabilities does each model support?
Gemma 4 31B It (free) accepts text and image input and supports reasoning, tool calling and long context; Kimi K3 accepts text, image and video input and supports thinking, function calling and structured outputs.
Can I call Gemma 4 31B It (free) and Kimi K3 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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