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Gemma 4 31B

GoogleOpen weights262K contextVisionReasoningTool calling

LMArena score 1443 · #67 overall · #85 in coding (2026-10-15)

As of Oct 19, 2026, Gemma 4 31B costs $0.14 per million input tokens and $0.40 per million output tokens from Amazon Bedrock Mantle. The cheapest of 4 sellers is Amazon Bedrock Mantle at $0.14 / $0.40. No price change since Appndo started tracking it on Oct 14, 2026.

Lowest price, from Amazon Bedrock Mantle

Pricing page

Per million tokens

Input
$0.14
Output
$0.40
Cached input
—
Batch input / output
$0.07 / $0.20
  • Up to 256K output tokens per request.

Estimate your monthly cost

Est. per month = input tokens × input price + output tokens × output price. Prices are per million tokens, so 10M input tokens at $3.00 cost $30. ¹ The price is higher for long prompts (usually over 200K tokens); the estimate uses the base price.

From Amazon Bedrock Mantle: $2.20 a month.

Where to buy it (4)

Sorted by your monthly estimate. Prices per million tokens.

  • Amazon Bedrock MantleCheapest

    Input / output
    $0.14 / $0.40
    Context
    256K
    Per month
    $2.20

    bedrock_mantle/google.gemma-4-31b

  • Neuralwatt

    Input / output
    $0.144 / $0.42
    Context
    262K
    Per month
    $2.28

    gemma-4-31b

  • Tinfoil

    Input / output
    $0.40 / $1.00
    Context
    262K
    Per month
    $6.00

    gemma4-31b

  • Cerebras

    Input / output
    $0.99 / $1.49
    Context
    131K
    Per month
    $12.88

    cerebras/gemma-4-31b

Cloud and hosted sellers may add regional pricing, minimums or platform fees. Supports: Vision, Reasoning, Tool calling.

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