AI 模型情報

Gemma 4 31B (free)

openrouter/gemma-4-31b-it-free

出品方: openrouter · 系列: gemma · 發布 2026-04-02 · 知識截止: 2025-01

⚠ 本模型為社群微調 / 衍生版本,並非廠商官方發布。

未公開
輸入 / 1M token
未公開
輸出 / 1M token
262K
上下文長度
33K
最大輸出

Prices in USD per 1M tokens. Unknown means the provider does not publish per-token pricing.

能力清單

工具呼叫推理結構化輸出附件開放權重溫度可調
支援模態: 輸入 text, image, video · 輸出 text

Model fit scores

0–100 · higher is better

These scores reward declared capabilities, context size, price and provider availability — they are not benchmark results. Use them as a directional signal alongside your own evaluation.

Coding79
  • Tool calling40/40
  • Structured output20/20
  • Reasoning10/10
  • Context window (100K → 1M)8/20
  • Provider availability1/10
Agents91
  • Tool calling35/35
  • Structured output25/25
  • Reasoning15/15
  • Output token limit15/15
  • Provider availability1/10
JSON / structured output80
  • Structured output / JSON mode50/50
  • Tool calling20/20
  • Temperature control10/10
  • Price-friendly for high-volume0/20
Cost efficiency0
  • Has published price0/100
Long context51
  • Context window (100K → 2M)51/90
  • Has published price for full window0/10
Vision72
  • Accepts image input50/50
  • Context window (10K → 1M)21/30
  • Has published price0/10
  • Provider availability1/10
Production-readiness30
  • Number of independent providers5/40
  • Has published per-token price0/20
  • Context window ≥ 8K15/15
  • No data inconsistencies across providers10/10
  • Official model (not derivative)0/15

Cost Efficiency Index

Open full calculator →

Estimated cost using the recommended provider's headline rate. Each scenario fixes average input/output tokens — the assumptions are shown in the third column.

This model has no published per-token price, so we can't compute a cost estimate. See the provider's official pricing page for current rates.

於 1 家供應商可用

服務商服務商模型 ID輸入 / 1M輸出 / 1M上下文發布日期
OpenRouter
openrouter
google/gemma-4-31b-it:freeUnknownUnknown262K2026-04-02

Frequently asked questions

How much does Gemma 4 31B (free) cost?

Gemma 4 31B (free) does not have a publicly published per-token price in our data source. This usually means it is gated behind enterprise sales or invite access. Check openrouter's official pricing page for the most current rates.

What is the context window of Gemma 4 31B (free)?

Gemma 4 31B (free) has a context window of 262K tokens, with a max output of 33K tokens per reply. This is the total combined size of prompt + completion.

Does Gemma 4 31B (free) support tool calling?

Yes. Gemma 4 31B (free) supports tool calling (function calling). This makes it suitable for production agent and automation workloads where the model has to invoke external functions reliably.

Does Gemma 4 31B (free) support structured output / JSON mode?

Yes. Gemma 4 31B (free) supports structured output / JSON-schema-constrained decoding. This makes it suitable for production agent and automation workloads where the model has to invoke external functions reliably.

Can Gemma 4 31B (free) accept image input?

Yes. Gemma 4 31B (free) accepts both text and image input. Vision pricing per image is usually billed on top of the regular token rate — check openrouter's docs for the exact rule.

Is Gemma 4 31B (free) open-weight?

Yes. Gemma 4 31B (free)'s weights are publicly available, so you can self-host or fine-tune. Note that open weights ≠ open source — the training data and code are typically not released.

What are the best alternatives to Gemma 4 31B (free)?

If Gemma 4 31B (free) doesn't fit, consider LFM2.5-1.2B-Instruct (free), LFM2.5-1.2B-Thinking (free), Owl Alpha. Each one targets the same use case — see the Related links below for direct head-to-head pages.

Where does this data come from?

All numbers come from the public models.dev API and are normalised into a single canonical model record. We re-pull daily and write any changes (price, context, capability) to the /changelog page.

最近更新:

Data is sourced from models.dev and normalized for comparison. Prices and capabilities may change. Always verify critical production decisions with the provider's official documentation.