How much does Gemma 4 31B cost per million tokens?

Gemma 4 31B costs $0.09 per million input tokens and $0.34 per million output tokens at list price, and $0.05 per million cached input tokens.

What is the context window of Gemma 4 31B?

Gemma 4 31B accepts up to 262,144 tokens of context and returns up to 16,384 output tokens.

How much do 1,000 chat messages cost with Gemma 4 31B?

About $0.26, assuming 1,000 input + 500 output tokens per message.

Is there a cheaper alternative to Gemma 4 31B?

In the same price range, DeepSeek DeepSeek V4.1 Flash ($0.03 / $0.5), Qwen Qwen3.7 Flash ($0.03 / $0.13), DeepSeek DeepSeek V4 Flash 0423 ($0.042 / $0.084) cost less per token. Quality differs: test on your own prompts.

Where can I buy Google API credits for less?

Discount credit books resell OpenRouter usage below face value within their depth, OpenRouter adds a 5.5% card fee, and Google sells its own credits at face value. The live table on this page ranks them for $100 of usage.

Google · live price

Gemma 4 31B API pricing

Gemma 4 31B Instruct is Google DeepMind's 30.7B dense multimodal model supporting text and image input with text output. Features a 256K token context window, configurable thinking/reasoning mode, native function...

Small and cheap (under $1 per 1M)Tool callingReasoningimage inputvideo input

Input: $0.09; per 1M tokens
Output: $0.34; per 1M tokens
Cached input: $0.05; per 1M tokens
Context: 262K; 16K max output

List price from OpenRouter, which passes Google's price through without markup. Refreshed hourly. Released April 2, 2026. Model id google/gemma-4-31b-it.

What Gemma 4 31B costs in practice

At list price, before any batch or caching discount.

1,000 chat messages

$0.26

1,000 input + 500 output tokens each

1,000 RAG questions

$0.89

8,000 input + 500 output tokens each

100 coding-agent steps

$0.34

30,000 input + 2,000 output tokens each, no caching

Gemma 4 31B price history

No price change since we started tracking on 2026-10-01. We record prices daily; changes will show here.

Gemma 4 31B price by host

13 hosts serve this model. Prices are the same or higher than list; the cheapest are first.

DeepInfra$0.09 in · $0.34 out · 262K ctx · 99.0% uptime 24h
DekaLLM$0.1 in · $0.33 out · 262K ctx · 89.7% uptime 24h
CoreWeave$0.1 in · $0.34 out · 262K ctx · 99.3% uptime 24h
Venice$0.12 in · $0.36 out · 256K ctx · 99.0% uptime 24h
Chutes$0.12 in · $0.37 out · 131K ctx · 84.8% uptime 24h
Crusoe$0.14 in · $0.4 out · 262K ctx · 100.0% uptime 24h
Friendli$0.14 in · $0.4 out · 262K ctx · 99.7% uptime 24h
Novita$0.14 in · $0.4 out · 262K ctx · 84.4% uptime 24h
Parasail$0.15 in · $0.4 out · 262K ctx · 99.3% uptime 24h
Io Net$0.38 in · $1.15 out · 262K ctx · 98.8% uptime 24h
SambaNova$0.38 in · $1.15 out · 262K ctx · 97.8% uptime 24h
ModelRun$0.75 in · $1 out · 262K ctx · 99.9% uptime 24h
SiliconFlow$0.75 in · $1 out · 262K ctx · 98.3% uptime 24h

Where to buy Google credits for less

Gemma 4 31B costs the same per token everywhere it's sold through OpenRouter. What changes is the price of the credits. Live quotes for $100 of usage:

#	Where you buy	You payYou pay for $100.00 of usage	vs list price	Price source
1	OrbioCardCheapest right now Credits from a discount book, plus a 5% platform fee and card processing, both included in the quote.	$85.10 incl. $2.60 card processing	-14.9%	live quote
2	smaaartCard Credits from a discount book, plus a 5% platform fee on face value. Card processing and taxes shown at checkout.	$95.00 + card processing and tax at checkout (not in this number)	-5.0%	live quote
3	Direct from the labCard Prepaid credits at face value (OpenAI, Anthropic, Google…). Taxes may apply.	$100.00 no top-up fee	list price	face value
4	OpenRouterCrypto 5% on crypto purchases. No markup on model prices.	$105.00 fees included	+5.0%	published fee
5	OpenRouterCard 5.5% on card purchases, $0.80 minimum. No markup on model prices.	$105.50 fees included	+5.5%	published fee

Disclosure: this site is run by the team behind smaaart, one of the options compared. Tables are ranked by price only, from live quotes and published fees, including when smaaart isn't first. How we compare

Gemma 4 31B cost calculator

Enter your monthly tokens to price your own usage.

Model$0.09 in / $0.34 out per 1M tokens · list price, liveInput tokens / month (millions)Output tokens / month (millions)

Usage at list price$7.90/ month(quotes below are for $8.00: purchases run from $5.00 to $10,000.00)

Cheaper alternatives to Gemma 4 31B

Other labs' models in the same price range or the one below, cheaper per token.

Model	Input / 1M	Output / 1M	Blended 3:1	Context
DeepSeek: DeepSeek V4.1 Flash	$0.03	$0.5	$0.147	1.0M
Qwen: Qwen3.7 Flash	$0.03	$0.13	$0.055	1M
DeepSeek: DeepSeek V4 Flash 0423	$0.042	$0.084	$0.052	1.0M
Qwen: Qwen3.5-9B	$0.1	$0.15	$0.112	262K
Qwen: Qwen3.5-Flash	$0.065	$0.26	$0.114	1M
Z.ai: GLM 4.7 Flash	$0.061	$0.4	$0.145	200K

Other Google models

Model	Input / 1M	Output / 1M	Blended 3:1	Context
Gemma 4 26B A4B	$0.09	$0.3	$0.143	262K
Gemini 3.1 Flash Lite Preview	$0.25	$1.50	$0.563	1.0M
Gemini 3.1 Flash Lite	$0.25	$1.50	$0.563	1.0M
Nano Banana 2 (Gemini 3.1 Flash Image Preview)	$0.5	$3	$1.13	66K
Gemini 3.1 Pro Preview Custom Tools	$2	$12	$4.50	1.0M
Gemini 3.1 Pro Preview	$2	$12	$4.50	1.0M

All Google API prices