Google: Gemma 4 31B (free)
The Google Gemma 4 31B model is a versatile AI system that accepts input in various formats, including text, images, and video. It has a significant context length of 262144 tokens, allowing it to process complex information. The model supports the use of tools and reasoning capabilities, but does not provide structured output. Considering its free pricing and competitive benchmark standing, this model is worth shortlisting for users who require a general-purpose AI system with multiple input modalities. With a blended benchmark score of 51.1 across two independent benchmarks, it demonstrates reliable performance. Those on a tight budget or seeking a cost-effective solution may find the Google Gemma 4 31B to be a suitable choice.
Benchmark results
Independent, published benchmarks. Blended score 53.7 across 2 benchmarks, last refreshed 2026-09-27. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 31.3 |
| EQ-Bench | emotional understanding in dialogue | 70.8 |
- Model ID
- google/gemma-4-31b-it:free
- Vendor
- Released
- April 2026
- Tokenizer
- Gemma
- Input Modalities
- image, text, video
- Output Modalities
- text
- Max Output
- 32,768 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- ✓ accepts images
- Audio
- no
- Moderated
- no
Category rankings
Where Google: Gemma 4 31B (free) places across the 18 categories it ranks in. How we rank →
| # | Category | Score |
|---|---|---|
| #7 | Cheap Bulk InferenceCost · of 25 ranked | 138 |
| #8 | Self-Hosted / LocalCost · of 25 ranked | 118 |
| #10 | Social Media PostsWriting · of 25 ranked | 120 |
| #10 | Voice Assistant BackendVoice · of 25 ranked | 124 |
| #13 | Short-Form SummarizationWriting · of 25 ranked | 127 |
| #13 | Email DraftingWriting · of 25 ranked | 123 |
| #13 | Language LearningEducation · of 25 ranked | 123 |
| #13 | Chat CompanionPersonal · of 25 ranked | 127 |
| #17 | Bulk Data LabelingData · of 25 ranked | 130 |
| #18 | Dataset AnnotationResearch · of 25 ranked | 134 |
| #19 | Trivia & General KnowledgePersonal · of 25 ranked | 117 |
| #20 | JSON ExtractionData · of 25 ranked | 132 |
| #20 | Customer SupportBusiness · of 25 ranked | 128 |
| #20 | Sales / Cold EmailBusiness · of 25 ranked | 119 |
| #20 | Job Application DraftingBusiness · of 25 ranked | 119 |
| #20 | Journaling HelperPersonal · of 25 ranked | 119 |
| #20 | Recipe GenerationPersonal · of 25 ranked | 119 |
| #22 | Real-Time ChatLatency · of 25 ranked | 118 |
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Quick answers
- Is Google: Gemma 4 31B (free) free to use?
- Yes. It is currently listed at no cost per token via OpenRouter, subject to provider rate limits.
- What is Google: Gemma 4 31B (free)'s context window?
- 262,144 tokens, roughly 393 pages of text in a single request.
- Does Google: Gemma 4 31B (free) support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can Google: Gemma 4 31B (free) process images?
- Yes, it accepts image input.