[Google](/ai-gateway/models/labs/google) # Gemma 4 31B IT Gemma 4 31B IT is Google's open-weight dense model with 31B parameters, all active during inference. Built on the Gemini 3 architecture, it targets higher output quality than its MoE sibling, with support for function-calling, structured JSON output, native vision, and 140+ languages. Your use is subject to Google's [Terms](https://policies.google.com/terms/generative-ai) & [Privacy](https://policies.google.com/privacy) Policies. File InputReasoningTool UseVision (Image) [Use with AI Gateway](https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Futm_source%3Dgateway-model-page%26utm_campaign%3Dai-gateway-models&title=Get+Started+with+Vercel+AI+Gateway) [View docs](https://vercel.com/docs/ai-gateway) AI SDKChat CompletionsMessagesResponses ``` 1import { streamText } from 'ai' 2 3const result = streamText({ 4 model: 'google/gemma-4-31b-it', 5 prompt: 'Why is the sky blue?' 6}) ``` [Read docs](https://vercel.com/docs/ai-gateway/sdks-and-apis/ai-sdk) [Overview](/ai-gateway/models/gemma-4-31b-it) [API](/ai-gateway/models/gemma-4-31b-it/api) [About](/ai-gateway/models/gemma-4-31b-it/about) [Providers](/ai-gateway/models/gemma-4-31b-it/providers) [Throughput](/ai-gateway/models/gemma-4-31b-it/throughput) [Latency](/ai-gateway/models/gemma-4-31b-it/latency) [Uptime](/ai-gateway/models/gemma-4-31b-it/uptime) [Status](/ai-gateway/models/gemma-4-31b-it/status) [Similar](/ai-gateway/models/gemma-4-31b-it/similar) [FAQ](/ai-gateway/models/gemma-4-31b-it/faq) ## [Copy link to heading](#more-models-by-google)More models by Google All Text Code Video Input | Model | | --- | | Context | Latency | Throughput | Input | Output | Cache | Web Search | Capabilities | Providers | ZDR | No Training | Free Tier | Release Date | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | ![google logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fgoogle.png&w=48&q=75) [google/gemini-3.7-flash](/ai-gateway/models/gemini-3.7-flash) | 1M | 2.5s | 277tps | $1.50/M$0.75/M | $7.50/M$3.75/M | Read:$0.15/M$0.08/M Write:— | — | +3 | ![google logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fgoogle.png&w=48&q=75) ![vertex logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fvertex%2520ai.png&w=48&q=75) | | | | 08/13/2026 | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | ![google logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fgoogle.png&w=48&q=75) [google/gemini-3.5-flash-lite](/ai-gateway/models/gemini-3.5-flash-lite) | 1M | 0.5s | 452tps | $0.30/M | $2.50/M | Read:$0.03/M Write:— | $14/K+1 more \+ input costs | +3 | ![google logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fgoogle.png&w=48&q=75) ![vertex logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fvertex%2520ai.png&w=48&q=75) | | | | 07/21/2026 | | | ![google logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fgoogle.png&w=48&q=75) [google/gemini-3.5-flash](/ai-gateway/models/gemini-3.5-flash) | 1M | 2.6s | 220tps | $1.50/M | $9/M | Read:$0.15/M Write:— | $14/K+1 more \+ input costs | +3 | ![google logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fgoogle.png&w=48&q=75) ![vertex logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fvertex%2520ai.png&w=48&q=75) | | | | 05/19/2026 | | | ![google logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fgoogle.png&w=48&q=75) [google/gemini-3.1-flash-lite](/ai-gateway/models/gemini-3.1-flash-lite) | 1M | 0.4s | 279tps | $0.25/M | $1.50/M | Read:$0.03/M Write:— | $14/K+1 more \+ input costs | +3 | ![google logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fgoogle.png&w=48&q=75) ![vertex logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fvertex%2520ai.png&w=48&q=75) | | | | 05/07/2026 | | | ![google logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fgoogle.png&w=48&q=75) [google/gemini\-3-flash](/ai-gateway/models/gemini-3-flash) | 1M | 0.6s | 173tps | $0.50/M+1 more | $3/M+1 more | Read: $0.05/M+1 more Write: — | $14/K+1 more \+ input costs | +3 | ![google logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fgoogle.png&w=48&q=75) ![vertex logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fvertex%2520ai.png&w=48&q=75) | | | | 12/17/2025 | | | ![google logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fgoogle.png&w=48&q=75) [google/gemini-2.5-flash-lite](/ai-gateway/models/gemini-2.5-flash-lite) | 1M | 0.2s | 389tps | $0.10/M | $0.40/M | Read:$0.01/M Write:— | $35/K+1 more \+ input costs | +3 | ![google logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fgoogle.png&w=48&q=75) ![vertex logo](/vc-ap-vercel-marketing/_next/image?url=https%3A%2F%2F7nyt0uhk7sse4zvn.public.blob.vercel-storage.com%2Fdocs-assets%2Fstatic%2Fdocs%2Fai-gateway%2Flogos%2Fvertex%2520ai.png&w=48&q=75) | | | | 06/17/2025 | |